CN109413619A

CN109413619A - Information is sent, operation executes method and device, conversation management functional entity

Info

Publication number: CN109413619A
Application number: CN201710692546.1A
Authority: CN
Inventors: 周晓云; 周星月
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2017-08-14
Filing date: 2017-08-14
Publication date: 2019-03-01
Anticipated expiration: 2037-08-14
Also published as: CN109413619B; WO2019033944A1

Abstract

The present invention provides a kind of information to send, operation executes method and device, conversation management functional entity；Wherein, the method for sending information includes: after selecting the first anchor point of the first user plane functions UPF as protocol Data Unit PDU session for user equipment (UE), receive the flow guiding request instruction information that strategy and control function PCF are sent, wherein, flow guiding request instruction information is that PCF is formulated according to the flow guiding request for requesting network to carry out flow guiding that the application that UE is being accessed provides；To using the first instruction information for being used to indicate the flow guidance mode used when network carries out flow guiding is returned, flow guidance mode includes following one: Uplink classifier UL CL flow guidance mode, belong to flow guidance mode more；Through the invention, solve the problems, such as that application layer cannot achieve flow guiding caused by the flow guidance mode that can not obtain Web vector graphic in the related technology.

Description

Information is sent, operation executes method and device, conversation management functional entity

Technical field

The present invention relates to the communications fields, send in particular to a kind of information, operation executes method and device, session Management function entity.

Background technique

Industry is studying Next-Generation Wireless Communication Systems (5 at present^th- Generation, abbreviation 5G), Fig. 1 is related skill The configuration diagram of 5G in art, the function of major function entity are as follows:.

The connection management that the interface-free resources of accessing terminal to network dispatch and eat dishes without rice or wine is responsible in base station；

Access and mobile management function to ps domain (Access and Mobility Management Function, abbreviation AMF) It is mainly responsible for access authentication, authorization and mobile management.

Conversation management functional (Session Management Function, abbreviation SMF) is mainly responsible for session management, net The agreement address (Internet Protocol, the abbreviation IP) distribution interconnected between network.

User plane functions (User Plane Function, abbreviation UPF) are external protocol data cell (Protocol Data Unit, abbreviation PDU) session tie point, be responsible for routing, the forwarding of packet data, and the strategy of packet data held Row etc..

Policy control functions (Policy Control Function, abbreviation PCF) are mainly responsible for strategic decision-making.

In order to shorten network delay, avoids user from accessing the path detour of business and cause the overload of core net Deng operator always wants to user can access business nearby.In order to realize the demand, introduced in 5G system as Lower two kinds of network architectures.Fig. 2 is the framework signal for carrying out flow guiding using more ownership (Multi-Homed) in the related technology Figure, as shown in Fig. 2, network introduces bifurcation (Branching point, abbreviation BP) and divided in the user face link of UE With a new anchor point UPF, while network can also distribute another IP address to UE.Up direction, bifurcation use UE The data forwarding of new IP address gives new anchor point UPF (UPF2), and it is old to use the data of old IP address to be still transmitted to Anchor point UPF (UPF1).In down direction, bifurcation will be transmitted to base station after the convergence of the data of UPF1 and UPF2.In reality When deployment, bifurcation may be integrated with UPF2.

Fig. 3 is to be carried out in the related technology using Uplink classifier (Uplink Classifier, abbreviation ULCL) mode The configuration diagram of flow guiding, as shown in figure 3, in the architecture, inserting UL CL, UL CL in the user face link of UE The business that local data network is capable of providing can directly be shunted away.UL CL can draw during PDU session establishment Enter, or after PDU session establishment, is re-introduced into when needed.In order to allow UL CL correctly to shunt business, It needs that correct partial flow filter is installed on UL CL.

Fig. 4 is the flow diagram that application influences the routing of user face in the related technology, as shown in figure 4, this method comprises:

Step 400:UE is applied by PDU session (session) access established with UPF1.

Step 401: application function (Applicant Function, abbreviation AF) generates the guiding request of AF flow.Request Content include identification need be oriented to flow information (including DNN and slice selection information, AF service identification (AF-Service- Identifier), application identities or flow filter information), the flow route need information (route documents mark) of N6 interface, The location information (DNAI list) of the application of flow guiding, the information of UE for needing flow guiding etc..

Step 402a: if it is not for an ongoing PDU session, AF that AF, which is fly-by-night or AF request, Message is sent to NEF.

Step 402b:NEF authorizes request, and may execute some necessary mappings, for example according to AF- Service-Identifier obtains DNN and slice selection information, DNAI list and route documents mark etc..NEF sends out request Give PCF.

Step 402c: when the request of AF is directed to an ongoing PDU session, then AF is directly sent out to corresponding PCF Send request message.

Step 403:PCF returns to confirmation message to AF.

Step 404:PCF determines each the already present PDU-CAN session influenced by AF request.For each PDU- CAN session, PCF pass through the strategy above PDU-CAN session updates SMF.SMF returns to confirmation message.

The strategy that step 405:SMF is newly issued according to PCF executes the user face that corresponding operation reconfigures PDU session: 1) UL CL or BP are inserted into user plane path；2) when using Multi-homing, new address prefix 3 is distributed for UE) it updates The flow of UPF on target dna I is oriented to rule.

Step 406:SMF notifies application execution result to AF.The notice may be transmitted to AF by NEF.

In above-mentioned process, AF is when transmitted traffic is oriented to request, in this case it is not apparent that it (is UL that mode SMF, which can select, CL or BP), but be different since in different modes, application layer is provided to the information that network provides, and application layer It is interacted with UE needs and the information of the interaction of AF and network and sequencing is also different.Thus according to the prior art, if For AF in the case where not knowing the mode of SMF selection, flow guiding can be cannot achieve by providing identical information to network.

For above-mentioned technical problem in the related technology, currently no effective solution has been proposed.

Summary of the invention

The embodiment of the invention provides a kind of information to send, operation executes method and device, conversation management functional entity, with At least solve application layer in the related technology cannot achieve stream caused by the flow guidance mode that can not obtain Web vector graphic The problem of amount guiding.

According to one embodiment of present invention, a kind of method for sending information is provided, comprising: for user equipment (UE) selection the After the first anchor point of the one user plane functions UPF as protocol Data Unit PDU session, strategy and control function PCF hair are received The flow guiding request instruction information sent, wherein flow guiding request instruction information is that PCF is mentioned according to the application that UE is being accessed The flow for requesting network to carry out flow guiding supplied is oriented to what request was formulated；It is flowed to network is used to indicate using return First instruction information of the flow guidance mode used when amount guiding, flow guidance mode includes following one: uplink point Class device UL CL flow guidance mode belong to flow guidance mode more.

Optionally, the first instruction information includes at least one of information: being used to indicate flow guidance mode as UL CL stream Measure the explicit indication information of guidance mode or more ownership flow guidance modes, if send the first Internet protocol the 6th edition IPv6 prefix information；Wherein, in the case where sending the first IPv6 prefix information, the first instruction information is used to indicate the stream used Measuring guidance mode is more ownership flow guidance modes, in the case where not sent first IPv6 prefix information, the first instruction information Being used to indicate the flow guidance mode used is UL CL flow guidance mode.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is UL CL flow guidance mode In the case of, information is being indicated to using the first of the flow guidance mode used when returning and being used to indicate network progress flow guiding Later, method further include: receive the first strategy that PCF entity is sent；Wherein, the first strategy is PCF entity according to applying complete The strategy formulated at the stream description information provided after application gravity treatment；According to first strategy to user equipment access application path into Row switching.

Optionally, being switched over according to path of first strategy to user equipment access application includes: according to the first strategy Formulate the first rule；First rule is sent to UL CL；Wherein, the first rule is used to indicate UL CL and accesses the UE received The upstream data of application is sent to the 2nd UPF of the second anchor point as PDU session.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is more ownership flow guidance modes In the case of, information is being indicated to using the first of the flow guidance mode used when returning and being used to indicate network progress flow guiding Later, method further include: receive the second strategy that PCF entity is sent；Wherein, the second strategy be PCF entity according to application to UE The strategy that the address information for the application server that the service of offer will be redirected to is formulated；User is set according to the second strategy The path of standby access application switches over.

Optionally, being switched over according to path of second strategy to user equipment access application includes: according to the second strategy Formulate Second Rule；Second Rule is sent to bifurcation BP, wherein Second Rule is used to indicate BP and accesses the UE received The upstream data of application is sent to the 3rd UPF of the third anchor point as PDU session；Routing is sent to UE by the 3rd UPF to lead to Accuse message, wherein carry the first IPv6 prefix information and route option information in advertising of route message, take in route option information Address information with the application server that the service that application is provided to UE will be redirected to.

Optionally, after being switched over according to path of second strategy to user equipment access application, comprising: to application layer Send notification information, wherein notification information is used to notify to complete using the path switching of UE access application.

According to one embodiment of present invention, provide a kind of operation execution method, comprising: send for request network into The flow of row flow guiding is oriented to request；The flow that network use when flow guiding that is used to indicate that network returns is received to lead Information is indicated to the first of mode, wherein flow guidance mode includes following one: Uplink classifier UL CL flow is led It is belong to flow guidance mode to mode more；Application operating is executed according to the flow guidance mode of the first instruction information instruction.

Optionally, the first instruction information includes at least one of information: being used to indicate the flow guidance mode used is The explicit indication information of UL CL flow guidance mode or more ownership flow guidance modes, if receive the first internet protocol Discuss the 6th edition IPv6 prefix information；Wherein, in the case where receiving the first IPv6 prefix information, the first instruction information is for referring to Show that the flow guidance mode used is more ownership flow guidance modes, in the case where not receiving the first IPv6 prefix information, It is UL CL flow guidance mode that first instruction information, which is used to indicate the flow guidance mode used,.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is UL CL flow guidance mode In the case of, executing application operating according to the flow guidance mode of the first instruction information instruction includes: to execute using reselection operation；It will Stream description information after gravity treatment is sent to strategy and control function PCF；Wherein, stream description information is for network to user equipment (UE) The path of access application switches over.

Optionally, the stream description information after gravity treatment includes the address letter of the application server that has been redirected to of access of UE Breath.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is more ownership flow guidance modes In the case of, executing application operating according to the flow guidance mode of the first instruction information instruction includes: to provide application to UE to network The service of offer will be redirected to the address information of new application server；The notification information that network provides is received, notice Message is used to notify to complete using the path switching of UE access application；It will be using the service redirection provided to UE to new application The address of server.

According to one embodiment of present invention, a kind of information transmitting apparatus is provided, comprising: the first receiving module is used for After selecting the first anchor point of the first user plane functions UPF as protocol Data Unit PDU session for user equipment (UE), plan is received Slightly and control function PCF send flow guiding request instruction information, wherein flow guiding request instruction information be PCF according to The flow for requesting network to carry out flow guiding that the application that UE is being accessed provides is oriented to what request was formulated；First sends mould Block, for indicating information to using the first of the flow guidance mode used when returning and being used to indicate network progress flow guiding, Flow guidance mode includes following one: Uplink classifier UL CL flow guidance mode, belong to flow guidance mode more.

Optionally, the first instruction information includes at least one of information: being used to indicate the flow guidance mode used is The explicit indication information of UL CL flow guidance mode or more ownership flow guidance modes, if send the first Internet protocol 6th edition IPv6 prefix information；Wherein, in the case where sending the first IPv6 prefix information, the first instruction information, which is used to indicate, to be made Flow guidance mode is more ownership flow guidance modes, and in the case where not sent first IPv6 prefix information, first refers to Showing that information is used to indicate the flow guidance mode used is UL CL flow guidance mode.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is UL CL flow guidance mode In the case of, device further include: the second receiving module, for receiving the first strategy of PCF entity transmission；Wherein, the first strategy is PCF entity is according to the strategy for applying the stream description information provided after completing using gravity treatment to formulate；First switching module is used for root It is switched over according to path of first strategy to user equipment access application.

Optionally, the first switching module includes: the first generation unit, for according to first the first rule of policy development；The One transmission unit, for the first rule to be sent to UL CL；Wherein, the first rule is used to indicate UL CL and visits the UE received Ask that the upstream data of application is sent to the 2nd UPF of the second anchor point as PDU session.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is more ownership flow guidance modes In the case of, device further include: third receiving module, for receiving the second strategy of PCF entity transmission；Wherein, the second strategy is The strategy that the address information for the application server that the access for the UE that PCF entity is provided according to application will be redirected to is formulated； Second switching module, for being switched over according to path of second strategy to user equipment access application.

Optionally, the second switching module includes: the second generation unit, for according to the second policy development Second Rule；The Two transmission units, for Second Rule to be sent to bifurcation BP, wherein Second Rule is used to indicate BP and visits the UE received Ask that the upstream data of application is sent to the 3rd UPF of the third anchor point as PDU session；Third transmission unit, for passing through the Three UPF send advertising of route message to user equipment, wherein carrying in advertising of route message is the first IPv6 prefix information and road By option information, the ground for the application server that will be redirected to using the access of the UE provided is carried in route option information Location information.

Optionally, device further include: the second sending module, for sending notification information to application layer, wherein notification information Path switching for notifying application layer user equipment access to apply is completed.

According to one embodiment of present invention, a kind of operation executive device is provided, comprising: sending module, for sending For requesting network to carry out the flow guiding request of flow guiding；Receiving module, for receive network return be used to indicate net Network carry out flow guiding when use flow guidance mode first instruction information, wherein flow guidance mode include it is following it One: Uplink classifier UL CL flow guidance mode belong to flow guidance mode more；Operation module, for referring to according to first Show that the flow guidance mode of information instruction executes application operating.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is UL CL flow guidance mode In the case of, operation module includes: the first gravity treatment unit, applies reselection operation for executing；First transmission unit is used for gravity treatment Stream description information afterwards is sent to strategy and control function PCF；Wherein, stream description information accesses user equipment (UE) for network The path of application switches over.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is more ownership flow guidance modes In the case of, operation module includes: the first gravity treatment unit, for having switched in the path that network applies user equipment access Cheng Hou is executed and is applied reselection operation.

Optionally, being used to indicate the flow guidance mode used in the first instruction information is that more ownership flows are led In the case where mode, the operation module includes: the second transmission unit, for sending described apply to described to the network The service that UE is provided will be redirected to the address information of new application server；First receiving unit, it is described for receiving The notification information that network provides, the notification message is for notifying the path for accessing the application using the UE to switch At；Unit is redirected, for applying described to the service redirection that the UE is provided to the ground of the new application server Location.

According to one embodiment of present invention, a kind of conversation management functional entity is provided, comprising: processor, processor For running program, wherein execute the method for any of the above-described when program is run.

According to one embodiment of present invention, a kind of application layer equipment is provided, comprising: processor, processor is for transporting Line program, wherein the method for any of the above-described is executed when program is run.

According to one embodiment of present invention, a kind of storage medium is provided, storage medium includes the program of storage, In, the method for any of the above-described is executed when program is run.

According to one embodiment of present invention, a kind of processor is provided, processor is for running program, wherein program The method of any of the above-described is executed when operation.

Through the invention, due to returning and using to application after receiving the flow guiding request instruction information of PCF transmission First instruction information of the flow guidance mode used when indicating that network carries out flow guiding, so that arriving net using available The flow guide direction that network uses, and then flow guiding may be implemented, therefore, it can solve application layer since network can not be obtained The problem of cannot achieve flow guiding caused by the flow guidance mode used.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:

Fig. 1 is the configuration diagram of 5G in the related technology；

Fig. 2 is the configuration diagram for carrying out flow guiding using more ownership (Multi-Homed) in the related technology；

Fig. 3 be in the related technology using Uplink classifier (Uplink Classifier, abbreviation UL CL) mode into The configuration diagram of row flow guiding；

Fig. 4 is the flow diagram that application influences the routing of user face in the related technology；

Fig. 5 is the flow chart of method for sending information according to an embodiment of the present invention；

Fig. 6 is the flow chart of operation execution method according to an embodiment of the present invention；

Fig. 7 is the structural block diagram of information transmitting apparatus according to an embodiment of the present invention；

Fig. 8 is the structural block diagram of operation executive device according to an embodiment of the present invention；

Fig. 9 be according to the present invention preferred embodiment one offer be when SMF using UL CL mode progress flow guiding when, The interaction flow schematic diagram of application layer and network；

Figure 10 is that the offer of preferred embodiment two according to the present invention is when SMF carries out flow using Multi-homing mode When guiding, the interaction flow schematic diagram of application layer and network.

Specific embodiment

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.

It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.

Embodiment 1

A kind of method for sending information for running on Fig. 2 or Fig. 3 network architecture is provided in the present embodiment, and Fig. 5 is basis The flow chart of the method for sending information of the embodiment of the present invention, as shown in figure 5, the process includes the following steps:

Step S502, for user equipment (UE) select the first user plane functions UPF as protocol Data Unit PDU session the After one anchor point, the flow guiding request instruction information that strategy and control function PCF are sent is received, wherein flow guiding request Indicate that information is the flow guiding request for requesting network to carry out flow guiding that PCF is provided according to the application that UE is being accessed It formulates；

Step S504, to using the first of the flow guidance mode used when returning and being used to indicate network progress flow guiding Indicate information, flow guidance mode includes following one: Uplink classifier UL CL flow guidance mode, mostly ownership flow Guidance mode.

Through the above steps, due to being returned to application after receiving the flow guiding request instruction information of PCF transmission It is used to indicate the first instruction information that network carries out the flow guidance mode used when flow guiding, so that arriving using available The flow guide direction of Web vector graphic, and then flow guiding may be implemented, therefore, it can solve application layer since net can not be obtained The problem of cannot achieve flow guiding caused by the flow guidance mode that network uses.

It should be noted that above-mentioned first instruction information can be display instruction information, it is also possible to implicit instruction information, Thus, above-mentioned first instruction information may include following at least information: be used to indicate flow guidance mode as UL CL flow guiding The explicit indication information of mode or more ownership flow guidance modes, if send the 6th edition IPv6 prefix of the first Internet protocol Information；Wherein, in the case where sending the first IPv6 prefix information, the first instruction information is used to indicate the flow guiding side used Formula is more ownership flow guidance modes, and in the case where not sent first IPv6 prefix information, the first instruction information is used to indicate The flow guidance mode used is UL CL flow guidance mode.It is actually a kind of hidden for whether sending the first IPv6 prefix information Formula indicates information.

It should be noted that above-mentioned first IPv6 prefix information can be as the newly assigned IPv6 prefix letter of user equipment Breath, but it is not limited to this.

In one embodiment of the invention, being used to indicate the flow guidance mode used in the first instruction information is UL In the case where CL flow guidance mode, after above-mentioned steps S504, the above method further include: receive PCF entity is sent the One strategy；Wherein, the first strategy is PCF entity according to the plan for applying the stream description information provided after completing using gravity treatment to formulate Slightly；It is switched over according to path of first strategy to user equipment access application.

It should be noted that switching over and can show themselves in that according to path of first strategy to user equipment access application According to first the first rule of policy development；First rule is sent to UL CL；Wherein, the first rule is used to indicate UL CL and will connect The upstream data of the UE access application received is sent to the 2nd UPF of the second anchor point as PDU session.

It should be noted that the 2nd UPF of above-mentioned second anchor point is to determine to carry out flow using UL CL flow guidance mode The new UPF different from the first UPF selected when guiding.

In the case where it is UL CL flow guidance mode that the first instruction information, which is used to indicate the flow guidance mode used, It first carries out after completing using gravity treatment, the stream description information after gravity treatment being supplied to core net, core net is again to UE using gravity treatment (i.e. user face optimizes) is switched over to the path of application.

In one embodiment of the invention, be used to indicate the flow guidance mode used in the first instruction information is to return more In the case where belonging to flow guidance mode, after above-mentioned steps S504, the above method can also include: to receive PCF entity to send Second strategy；Wherein, the second strategy is that PCF entity takes according to the application that the service that application is provided to UE will be redirected to The strategy that the address information of device of being engaged in is formulated；It is switched over according to path of second strategy to user equipment access application.

It should be noted that switching over and can show themselves in that according to path of second strategy to user equipment access application According to the second policy development Second Rule；Second Rule is sent to bifurcation BP, wherein Second Rule is used to indicate BP and will connect The upstream data of the UE access application received is sent to the 3rd UPF of the third anchor point as PDU session；By the 3rd UPF to UE sends advertising of route message, wherein the first IPv6 prefix information and route option information, routing are carried in advertising of route message The address information for the application server that the service that application is provided to UE will be redirected to is carried in option information.

It should be noted that above-mentioned 3rd UPF is to determine to select when carrying out flow guiding using more ownership flow guidance modes The new UPF different from the first UPF selected.

It should be noted that after being switched over according to path of second strategy to user equipment access application, above-mentioned side Method can also include: to send notification information to application layer, wherein notification information is used to notify to cut using the path of UE access application Change completion.

It should be noted that being used to indicate the flow guidance mode used in the first instruction information is more ownership flow guiding In the case where mode, after the completion of first switching over (optimization of user face) to the path of UE access application, application layer is interacted with UE again Complete the gravity treatment of application layer.

Optionally, the executing subject of above-mentioned steps can be equipment of the core network, specifically, can be conversation management functional SMF entity etc., but not limited to this.

Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing The part that technology contributes can be embodied in the form of software products, which is stored in a storage In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.

Embodiment 2

A kind of operation execution method for running on Fig. 2 or Fig. 3 network architecture is provided in the present embodiment, and Fig. 6 is basis The flow chart of the operation execution method of the embodiment of the present invention, as shown in fig. 6, the process includes the following steps:

Step S602 sends the flow guiding request for requesting network to carry out flow guiding；

Step S604 receives the network that is used to indicate that network returns and carries out the flow guidance mode used when flow guiding First instruction information, wherein flow guidance mode includes following one: Uplink classifier UL CL flow guidance mode, more Belong to flow guidance mode；

Step S606 executes application operating according to the flow guidance mode of the first instruction information instruction.

Through the above steps, the stream used when being used to indicate network progress flow guiding returned due to can receive network The first instruction information of guidance mode is measured, so that using the available flow guidance mode to Web vector graphic, and then can be real Existing flow guiding, therefore, can solve application layer can not caused by the flow guidance mode that can not obtain Web vector graphic The problem of realizing flow guiding.

It should be noted that above-mentioned first instruction information may include at least one of information: being used to indicate and use Flow guidance mode is the explicit indication information of UL CL flow guidance mode or more ownership flow guidance modes, if is received To the 6th edition IPv6 prefix information of the first Internet protocol；Wherein, in the case where receiving the first IPv6 prefix information, first Indicating that information is used to indicate the flow guidance mode used is more ownership flow guidance modes, is not receiving the first IPv6 prefix In the case where information, it is UL CL flow guidance mode that the first instruction information, which is used to indicate the flow guidance mode used,.

In one embodiment of the invention, being used to indicate the flow guidance mode used in above-mentioned first instruction information is In the case where UL CL flow guidance mode, above-mentioned steps S606 can show themselves in that execution using reselection operation；After gravity treatment Stream description information is sent to strategy and control function PCF；Wherein, stream description information accesses user equipment (UE) for network and applies Path switch over.

It should be noted that the application service that the access that the stream description information after above-mentioned gravity treatment includes UE has been redirected to The address information of device.

In one embodiment of the invention, be used to indicate the flow guidance mode used in the first instruction information is to return more In the case where belonging to flow guidance mode, above-mentioned steps S606 can show themselves in that the service provided to network sending application to UE will The address information of new application server can be redirected to；The notification information that network provides is received, above-mentioned notification message can be with For notifying to complete using the path switching of UE access application；It will be using the service redirection provided to UE to new application service The address of device.

It should be noted that the executing subject of above-mentioned steps can be application layer, specifically, it is real to can be application function AF Body, but it is not limited to this.

Embodiment 3

A kind of information transmitting apparatus is additionally provided in the present embodiment, and the device is real for realizing above-described embodiment and preferably Mode is applied, the descriptions that have already been made will not be repeated.As used below, the soft of predetermined function may be implemented in term " module " The combination of part and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or The realization of the combination of software and hardware is also that may and be contemplated.

Fig. 7 is the structural block diagram of information transmitting apparatus according to an embodiment of the present invention, as shown in fig. 7, the device includes:

First receiving module 72, for selecting the first user plane functions UPF as protocol Data Unit for user equipment (UE) After first anchor point of PDU session, the flow guiding request instruction information that strategy and control function PCF are sent is received, wherein stream It is the stream for being used to that network to be requested to carry out flow guiding that PCF is provided according to the application that UE is being accessed that amount, which is oriented to request instruction information, Amount guiding request is formulated；

First sending module 74 is connect with above-mentioned first receiving module 72, for using return be used to indicate network into First instruction information of the flow guidance mode that row flow uses when being oriented to, flow guidance mode includes following one: uplink Road classifier UL CL flow guidance mode belong to flow guidance mode more.

By above-mentioned apparatus, due to receiving the flow guiding request instruction of PCF transmission in above-mentioned first receiving module 72 After information, above-mentioned first receiving module 72 is to using the flow guiding used when returning and being used to indicate network progress flow guiding First instruction information of mode, so that using the available flow guide direction to Web vector graphic, and then flow may be implemented Guiding, therefore, can solve application layer cannot achieve stream caused by the flow guidance mode that can not obtain Web vector graphic The problem of amount guiding.

It should be noted that above-mentioned first instruction information may include at least one of information: being used to indicate and use Flow guidance mode is the explicit indication information of UL CL flow guidance mode or more ownership flow guidance modes, if is sent The 6th edition IPv6 prefix information of first Internet protocol；Wherein, in the case where sending the first IPv6 prefix information, the first instruction It is more ownership flow guidance modes that information, which is used to indicate the flow guidance mode used, in not sent first IPv6 prefix information In the case of, it is UL CL flow guidance mode that the first instruction information, which is used to indicate the flow guidance mode used,.

In one embodiment of the invention, being used to indicate the flow guidance mode used in above-mentioned first instruction information is In the case where UL CL flow guidance mode, above-mentioned apparatus can also include: the second receiving module, with above-mentioned first sending module 74 connections, for receiving the first strategy of PCF entity transmission；Wherein, first strategy be PCF entity according to apply complete apply The strategy that the stream description information provided after gravity treatment is formulated；First switching module is connect with above-mentioned second receiving module, is used for basis First strategy switches over the path of user equipment access application.

It should be noted that the first switching module includes: the first generation unit, for being advised according to the first policy development first Then；First transmission unit is connect with above-mentioned first generation unit, for the first rule to be sent to UL CL；Wherein, the first rule It is then used to indicate UL CL and the upstream data of the UE received access application is sent to the of the second anchor point as PDU session Two UPF.

In one embodiment of the invention, being used to indicate the flow guidance mode used in above-mentioned first instruction information is In the case where more ownership flow guidance modes, above-mentioned apparatus can also include: third receiving module, with above-mentioned first sending module 74 connections, for receiving the second strategy of PCF entity transmission；Wherein, the second strategy is the UE that PCF entity is provided according to application Access the strategy that the address information for the application server that will be redirected to is formulated；Second switching module connects with above-mentioned third Module connection is received, for switching over according to path of second strategy to user equipment access application.

It should be noted that above-mentioned second switching module may include: the second generation unit, for being made according to the second strategy Determine Second Rule；Second transmission unit, for Second Rule to be sent to bifurcation BP, wherein Second Rule is used to indicate BP and incites somebody to action The upstream data of the UE access application received is sent to the 3rd UPF of the third anchor point as PDU session；Third sends single Member is connect with above-mentioned second generating unit, for sending advertising of route message to user equipment by the 3rd UPF, wherein routing Carrying in notice message is the first IPv6 prefix information and route option information, and the UE that application provides is carried in route option information The address information of application server that will be redirected to of access.

In one embodiment of the invention, above-mentioned apparatus can also include: the second sending module, with above-mentioned second switching Module connection, for sending notification information to application layer, wherein notification information is for notifying application layer user equipment access application Path switch complete.

It should be noted that above-mentioned apparatus can be located in equipment of the core network, specifically, can be located at conversation management functional SMF entity etc., but not limited to this.

The embodiment of the invention also provides a kind of conversation management functional SMF entities, comprising: processor, the processor are used for Run program, wherein method described in embodiment 1 is executed when the program is run.

It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with any Combined form is located in different processors.

Embodiment 4

A kind of operation executive device is additionally provided in the present embodiment, and the device is real for realizing above-described embodiment and preferably Mode is applied, the descriptions that have already been made will not be repeated.As used below, the soft of predetermined function may be implemented in term " module " The combination of part and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or The realization of the combination of software and hardware is also that may and be contemplated.

Fig. 8 is the structural block diagram of operation executive device according to an embodiment of the present invention, as shown in figure 8, the device includes:

Sending module 82, for sending the flow guiding request for requesting network to carry out flow guiding；

Receiving module 84 is connect with above-mentioned sending module 82, and the network that is used to indicate for receiving network return is flowed First instruction information of the flow guidance mode used when amount guiding, wherein flow guidance mode includes following one: uplink Road classifier UL CL flow guidance mode belong to flow guidance mode more；

Operation module 86 is connect with above-mentioned receiving module 84, for the flow guiding side according to the first instruction information instruction Formula executes application operating.

By above-mentioned apparatus, flow is carried out since the network that is used to indicate that network returns can be received by receiving module 84 First instruction information of the flow guidance mode used when guiding, so that using the available flow guiding side to Web vector graphic Formula, and then flow guiding may be implemented, therefore, it can solve flow guidance mode of the application layer since Web vector graphic can not be obtained Caused cannot achieve the problem of flow is oriented to.

In one embodiment of the invention, being used to indicate the flow guidance mode used in the first instruction information is UL In the case where CL flow guidance mode, aforesaid operations module 86 includes: the first gravity treatment unit, applies reselection operation for executing； First transmission unit is connect with above-mentioned first gravity treatment unit, for the stream description information after gravity treatment to be sent to strategy and control Function PCF；Wherein, stream description information is switched over for path of the network to user equipment (UE) access application.

In one embodiment of the invention, be used to indicate the flow guidance mode used in the first instruction information is to return more In the case where belonging to flow guidance mode, aforesaid operations module 86 may include: the second transmission unit, for sending to the network The address information for applying the service provided to the UE that will be redirected to new application server；First receives list Member is connect with above-mentioned second transmission unit, and the notification information provided for receiving the network, the notification message is for notifying The path switching for accessing the application using the UE is completed；Unit is redirected, is connect with above-mentioned first receiving unit, is used It applies in by described to the service redirection that the UE is provided to the address of the new application server.

It should be noted that above-mentioned apparatus can be located in application layer equipment, specifically, can be applied to AF application function In entity, but it is not limited to this.

The embodiment of the invention also provides a kind of application layer equipment, comprising: and processor, processor are used to run program, In, the method for embodiment 2 is executed when program is run.

Embodiment 5

The embodiments of the present invention also provide a kind of storage medium, which includes the program of storage, wherein above-mentioned Program executes method described in any of the above embodiments when running.

Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (Read- Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard The various media that can store program code such as disk, magnetic or disk.

The embodiments of the present invention also provide a kind of processor, the processor is for running program, wherein program operation Step in Shi Zhihang any of the above-described method.

Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment Example, details are not described herein for the present embodiment.

For a better understanding of the present invention, the present invention is further explained below in conjunction with preferred embodiment.

Preferred embodiment one

Fig. 9 be according to the present invention preferred embodiment one offer be when SMF using UL CL mode progress flow guiding when, The interaction flow schematic diagram of application layer and network.As shown in figure 9, the process the following steps are included:

Step 900:UE is applied by the PDU session access established with UPF1.An application service of UE and application Device (Application Server 1) interaction.Network is the IPv6 prefix 1 of UE distribution.It is mounted with to be used on UPF1 The PDR rule 0 that strategy, charging, routing etc. are controlled is carried out using data to what user was accessing；

Step 901:AF generates the guiding request of AF flow.The content of request includes the flow information (packet that identification needs to be oriented to Include DNN and slice selection information or AF-Service-Identifier), flow guiding application location information (DNAI column Table), the information of UE etc. they route documents mark, flow is needed to be oriented to.

Step 902a: if it is not for an ongoing PDU session, AF that AF, which is fly-by-night or AF request, Message is sent to NEF.

Step 902b:NEF authorizes request, and may execute some necessary mappings, for example according to AF- Service-Identifier obtains DNN and slice selection information, DNAI list and route documents mark etc..NEF sends out request Give PCF

Step 902c: when the request of AF is directed to an ongoing PDU session, then AF is directly sent out to corresponding PCF Send request message.

Step 903:PCF returns to confirmation message to AF.

Step 904:PCF determines each the already present PDU-CAN session influenced by AF request.For each PDU- CAN session, PCF send message to SMF, and flow guiding request instruction is carried in message and (is equivalent to the flow in above-described embodiment Guiding request instruction information) and DNAI.

Step 905:SMF determines that carrying out flow using UL CL leads according to network strategy, the ability of network and the ability of UE To.New an anchor point UPF (i.e. UPF2) and a UL CL are selected according to DNAI.UL CL may unify with UPF2.

Step 906:SMF sends session management request message to AMF, and the tunnel that UL CL receives upstream data is carried in message Road information.

Step 907:AMF sends N2 conversation request message to RAN, and the tunnel that UL CL receives upstream data is carried in message Information.The tunnel information of RAN update upstream data.

Step 908:RAN returns to confirmation message to AMF, and the tunnel that the RAN updated receives downlink data may be carried in message Road information.

Step 909:AMF returns to confirmation message to SMF, and the RAN that the update received is carried in message receives downlink data Tunnel information.

Step 910:SMF sends the request of N4 session establishment to UL CL, carries the tunnel information that RAN receives downlink data. UPF1 and UPF2 receives the tunnel information of upstream data.UL CL returns to confirmation message.

Step 911:SMF sends the request of N4 session establishment to UPF2, and the tunnel that UL CL receives downlink data is carried in message Information.UPF2 returns to confirmation message.

Step 912:SMF sends N4 session modification message to UPF1, and the tunnel that UL CL receives downlink data is carried in message Information.UPF1 returns to confirmation message.

Step 913:SMF sends a notification message to AF and (is equivalent to above-mentioned first instruction information), carries UL CL's in message Instruction.UL CL instruction can not be the instruction of a display.Since if in Multi-Homing scene, SMF is on AF in Fig. 2 New IPv6 Prefix is reported.If in this all step, SMF does not report new IPv6 Prefix to AF, then AF energy Judge that SMF carries out flow guiding using UL CL.

Step 914: application layer is interacted according to the instruction with UE.Notify another application server of UE and application (Application Server 2) interaction, continues business access.

Step 915a: after the completion of application layer switching or gravity treatment, AF sends message to NEF, carries current stream in message and retouches Information is stated, the address information of Application Server 2 is included at least in information.

Step 915b:NEF authorizes request, and NEF sends the requests to PCF.

Step 915c:AF directly sends request message to corresponding PCF, carries current stream description information in message, believes The address information of Application Server 2 is included at least in breath.

Step 916:PCF carries out new strategic decision-making.PCC rule is formulated according to stream description information including PCF.PCF will be new Strategy be sent to SMF.SMF generates PDR 1 and PDR of rule rule 2 according to the PCC rule newly formulated.Wherein 1 (phase of PDR rule When the first rule in above-described embodiment) it will be supplied to UL CL, the user received from RAN is accessed and is applied by instruction UL CL Upstream data be sent to UPF2 (being equivalent to the 2nd UPF in above-described embodiment).PDR rule 2 will be supplied to UPF2, include root Strategy, qos policy etc. are oriented to according to the flow that route documents mark is formulated.

PDR rule 1 is sent UL CL by step 917:SMF, and the user that such UL CL is received from RAN accesses the upper of application Row data are sent to UPF2.And other data are still sent to UPF1.Confirmation is returned to SMF after UL CL installation PDR rule 1 to disappear Breath.

Step 918:SMF by PDR rule 2 send UPF2, such UPF2 can to UE access application data carry out strategy, Charging, route test.

Step 919:SMF notifies UPF1 to delete the PDU installed before rule 0.

By above-mentioned process, after application layer first interacts with UE and carries out being applied to gravity treatment, by the stream description information after gravity treatment It is supplied to 5G core net, the path that 5G core net accesses application to user again switches over (i.e. user face optimizes).

Preferred embodiment two

Figure 10 is that the offer of preferred embodiment two according to the present invention is when SMF carries out flow using Multi-homing mode When guiding, the interaction flow schematic diagram of application layer and network.As shown in Figure 10, comprising the following steps:

Step 1000:UE is applied by the PDU session access established with UPF1.An application service of UE and application Device (Application Server 1) interaction.Network is that UE distributes IPv6 prefix 1.Be mounted on UPF1 for pair What user was accessing carries out the PDR rule 0 that strategy, charging, routing etc. are controlled using data；

Step 1001:AF generates the guiding request of AF flow.The content of request includes the flow information (packet that identification needs to be oriented to Include DNN and slice selection information or AF-Service-Identifier), flow guiding application location information (DNAI column Table), the information of UE etc. they route documents mark, flow is needed to be oriented to.

Step 1002a: if it is not to be directed to an ongoing PDU session that AF, which is fly-by-night or AF request, AF sends message to NEF.

Step 1002b:NEF authorizes request, and may execute some necessary mappings, for example according to AF- Service-Identifier obtains DNN and slice selection information, DNAI list and route documents mark etc..NEF sends out request Give PCF

Step 1002c: when the request of AF is directed to an ongoing PDU session, then AF is directly sent out to corresponding PCF Send request message.

Step 1003:PCF returns to confirmation message to AF.

Step 1004:PCF determines each the already present PDU-CAN session influenced by AF request.For each PDU-CAN session, PCF send message to SMF, and flow guiding request instruction is carried in message and (is equivalent to the stream of above-described embodiment Amount guiding request instruction information) and DNAI.

Step 1005:SMF according to network strategy, the ability of network and the ability of UE determine using Multi-homing into Row flow guiding.New an anchor point UPF (i.e. UPF2) and a bifurcation BP are selected according to DNAI.BP may be closed with UPF2 One.In addition, SMF is that UE distributes IPv6 Prefix 2 according to UPF2.

Step 1006:SMF sends session management request message to AMF, and the tunnel that BP receives upstream data is carried in message Information.

Step 1007:AMF sends N2 conversation request message to RAN, and the tunnel letter that BP receives upstream data is carried in message Breath.The tunnel information of RAN update upstream data.

Step 1008:RAN returns to confirmation message to AMF, and the tunnel that the RAN updated receives downlink data may be carried in message Road information.

Step 1009:AMF returns to confirmation message to SMF, and the RAN that the update received is carried in message receives downlink data Tunnel information.

Step 1010:SMF sends the request of N4 session establishment to BP, carries the tunnel information that RAN receives downlink data.UPF1 The tunnel information of upstream data is received with UPF2.BP returns to confirmation message.

Step 1011:SMF sends the request of N4 session establishment to UPF2, and the tunnel letter that BP receives downlink data is carried in message Breath.UPF2 returns to confirmation message.

Step 1012:SMF sends N4 session modification message to UPF1, and the tunnel letter that BP receives downlink data is carried in message Breath.UPF1 returns to confirmation message.

Step 1013:SMF sends a notification message (the first instruction information for being equivalent to above-described embodiment) to AF, takes in message Instruction with Multi-Homing and possible IPv6 Prefix 2.SMF can also refer to without individual Multi-Homing Show, because if having reported IPv6 Prefix 2 that can indicate that SMF carries out flow by the way of Multi-Homing and leads To.

Step 1014a:AF sends message to NEF, and the address letter of new Application Server2 is carried in message Breath.

Step 1014b:NEF authorizes request, and NEF sends the requests to PCF.

Step 1014c:AF directly sends request message to corresponding PCF, carries new Application in message The address information of Server 2.

Step 1015:PCF returns to confirmation message to AF.

Step 1016:PCF carries out new strategic decision-making.Including PCF according to new Application

The address information of Server 2 formulates PCC rule.New strategy is sent to SMF by PCF.SMF formulates 1 He of PDR PDR2.Wherein PDR1 will be sent to BP be used to indicate BP by source address be IPv6 Prefix 1 upstream data be sent to UPF1, It is IPv6 Prefix 2 that PDR 2 (Second Rule for being equivalent to above-described embodiment), which will be sent to BP and be used to indicate BP for source address, Upstream data be sent to UPF2.In addition, SMF generates PDR 3 according to PCC rule.Carry in PDR3 includes IPv6 Prefix 2 And the plans such as filter template of 2 address information of Application Server, and corresponding QoS, charging, flow guiding Slightly.PDR 3 will be sent to UPF2；

PDR1 and PDR2 is sent BP by step 1017:SMF, and it is IPv6 Prefix's 1 that such BP, which receives source address from RAN, Upstream data is sent to UPF1, and the upstream data that source address is IPv6 Prefix 2 sends UPF2.It is backward that BP installs PDR rule 1 SMF returns to confirmation message.

PDR rule 3 is sent UPF2 by step 1018:SMF, and the data that such UPF2 can access UE application carry out plan Summary, charging, route test.

Step 1019:SMF sends advertising of route message by UPF2, and IPv6 Prefix 2 and routing are carried in message Option information 2 wherein carries the address information of Application Server2 in route option message.

Step 1020:SMF sends advertising of route message by UPF1, and IPv6 Prefix 1 and routing are carried in message Option information 1.

Step 1021:SMF notifies the gravity treatment of AF user face (i.e. path switching) to complete.

Step 1022:AF is interacted with UE, is carried out application layer redirection (or application layer gravity treatment).It is accessed including applicative notifications UE Application Server 2, UE are according to route option information 2 using the access application of IPv6 Prefix 2.

The following are optional steps.

Step 1023a:AF sends message to NEF, business information is carried in message, including current stream description information.

Step 1023b:NEF authorizes request, and NEF sends the requests to PCF.

Step 1023c:AF directly sends request message to corresponding PCF, business information is carried in message, including current Stream description information.

Step 1024:PCF returns to confirmation message to AF.

Step 1025:PCF carries out new strategic decision-making.According to the PCC rule formulated before new stream description information update. New strategy is sent to SMF by PCF.SMF is according to PCC Policy Updates PDR 3.It carries in PDR3 comprising new stream description information The strategies such as filter template, and corresponding QoS, charging, flow guiding.PDR 3 will be sent to UPF2；

Step 1026:SMF notice UPF1 deletes PDR0.

The PDR3 of update is sent UPF2 by step 1027:SMF.

By above-mentioned process, the path that 5G core net accesses application to user is switched over after the completion of (i.e. user face optimizes) Notify application layer, application layer interact again with UE complete application layer gravity treatment (or application layer switch.

Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.It is all within principle of the invention, it is made it is any modification, etc. With replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims

1. a kind of method for sending information characterized by comprising

After selecting the first anchor point of the first user plane functions UPF as protocol Data Unit PDU session for user equipment (UE), connect It receives the flow that strategy and control function PCF are sent and is oriented to request instruction information, wherein the flow guiding request indicates that information is The flow guiding request system for requesting network to carry out flow guiding that the PCF is provided according to the application that the UE is being accessed Fixed；

The first instruction for being used to indicate the flow guidance mode used when the network carries out flow guiding is returned to the application Information, the flow guidance mode includes following one: Uplink classifier UL CL flow guidance mode, mostly ownership flow Guidance mode.

2. the method according to claim 1, wherein the first instruction information includes at least one of letter Breath: it is used to indicate the explicit finger that the flow guidance mode is UL CL flow guidance mode or more ownership flow guidance modes Show information, if send the 6th edition IPv6 prefix information of the first Internet protocol；

Wherein, in the case where sending the first IPv6 prefix information, the first instruction information is used to indicate the use The flow guidance mode be more ownership flow guidance modes, in the case where the not sent first IPv6 prefix information, It is UL CL flow guidance mode that the first instruction information, which is used to indicate the flow guidance mode used,.

3. the method according to claim 1, wherein being used to indicate described use in the first instruction information In the case that flow guidance mode is UL CL flow guidance mode, carried out being used to indicate the network to application return After first instruction information of the flow guidance mode that flow uses when being oriented to, the method also includes:

Receive the first strategy that the PCF entity is sent；Wherein, first strategy is the PCF entity according to the application The strategy that the stream description information provided after completing using gravity treatment is formulated；

The path applied described in the user equipment access is switched over according to first strategy.

4. according to the method described in claim 3, it is characterized in that, according to first strategy to the user equipment access institute The path for stating application, which switches over, includes:

According to first rule of the first policy development；

First rule is sent to UL CL；Wherein, first rule is used to indicate the institute that the UL CL will be received It states UE and accesses the upstream data of the application and be sent to the 2nd UPF of the second anchor point as the PDU session.

5. according to the method described in claim 2, it is characterized in that, being used to indicate described use in the first instruction information In the case that flow guidance mode is more ownership flow guidance modes, carried out being used to indicate the network to application return After first instruction information of the flow guidance mode that flow uses when being oriented to, the method also includes:

Receive the second strategy that the PCF entity is sent；Wherein, second strategy is the PCF entity according to the application The strategy that the address information for the application server that the service provided to the UE will be redirected to is formulated；

The path applied described in the user equipment access is switched over according to second strategy.

6. according to the method described in claim 5, it is characterized in that, according to second strategy to the user equipment access institute The path for stating application, which switches over, includes:

According to the second policy development Second Rule；

The Second Rule is sent to bifurcation BP, wherein the Second Rule is used to indicate described in the BP will receive The upstream data that UE accesses the application is sent to the 3rd UPF of the third anchor point as the PDU session；

Advertising of route message is sent to the UE by the 3rd UPF, wherein described the is carried in the advertising of route message One IPv6 prefix information and route option information carry the service applied and provided to the UE in the route option information The address information for the application server that will be redirected to.

7. according to the method described in claim 5, it is characterized in that, according to second strategy to the user equipment access institute State application path switch over after, comprising:

Notification information is sent to the application layer, wherein the notification information is for notifying described in the application UE access The path of application, which switches, completes.

8. a kind of operation execution method characterized by comprising

Send the flow guiding request for requesting network to carry out flow guiding；

Receive first for being used to indicate the network and carrying out the flow guidance mode used when flow guiding that the network returns Indicate information, wherein the flow guidance mode includes following one: Uplink classifier UL CL flow guidance mode, more Belong to flow guidance mode；

Application operating is executed according to the flow guidance mode of the first instruction information instruction.

9. according to the method described in claim 8, it is characterized in that, the first instruction information includes at least one of letter Breath: being used to indicate the flow guidance mode used is UL CL flow guidance mode or more ownership flow guiding sides The explicit indication information of formula, if receive the 6th edition IPv6 prefix information of the first Internet protocol；Wherein, receive it is described In the case where first IPv6 prefix information, the first instruction information is used to indicate the flow guidance mode used and is More ownership flow guidance modes, in the case where not receiving the first IPv6 prefix information, the first instruction information is used In indicating that the flow guidance mode used is UL CL flow guidance mode.

10. according to the method described in claim 9, it is characterized in that, being used to indicate the use in the first instruction information Flow guidance mode be UL CL flow guidance mode in the case where, according to it is described first instruction information instruction the flow Guidance mode executes application operating

It executes and applies reselection operation；

Stream description information after gravity treatment is sent to strategy and control function PCF；Wherein, the stream description information is used for the net Network switches over the path of user equipment (UE) access application.

11. according to the method described in claim 10, it is characterized in that, the stream description information after the gravity treatment includes the UE Access the address information for the application server being redirected to.

12. according to the method described in claim 9, it is characterized in that, being used to indicate the use in the first instruction information Flow guidance mode be more ownership flow guidance modes in the case where, according to the flow of the first instruction information instruction Guidance mode executes application operating

The address for applying the service provided to UE that will be redirected to new application server is sent to the network to believe Breath；

The notification information that the network provides is received, the notification message is for notifying the application UE to access the application Path switch complete；

It applies described to the service redirection that the UE is provided to the address of the new application server.

13. a kind of information transmitting apparatus characterized by comprising

First receiving module, for selecting the first user plane functions UPF as protocol Data Unit PDU session for user equipment (UE) The first anchor point after, receive strategy and control function PCF send flow guiding request instruction information, wherein the flow Guiding request instruction information is that the PCF is led according to what the application that the UE is being accessed provided for requesting network to carry out flow To flow guiding request formulate；

First sending module is led for returning to the flow for being used to indicate and using when the network carries out flow guiding to the application Information is indicated to the first of mode, the flow guidance mode includes following one: Uplink classifier UL CL flow guiding Mode belong to flow guidance mode more.

14. device according to claim 13, which is characterized in that the first instruction information includes at least one of letter Breath: being used to indicate the flow guidance mode used is UL CL flow guidance mode or more ownership flow guiding sides The explicit indication information of formula, if send the 6th edition IPv6 prefix information of the first Internet protocol；

15. device according to claim 13, which is characterized in that be used to indicate the use in the first instruction information Flow guidance mode be UL CL flow guidance mode in the case where, described device further include:

Second receiving module, the first strategy sent for receiving the PCF entity；Wherein, first strategy is the PCF Entity is according to the strategy for applying the stream description information provided after completing using gravity treatment to formulate；

First switching module, for being cut according to first strategy to the path applied described in the user equipment access It changes.

16. device according to claim 15, which is characterized in that first switching module includes:

First generation unit, for according to first rule of the first policy development；

First transmission unit, for first rule to be sent to UL CL；Wherein, first rule is used to indicate described The UE received the upstream data for accessing the application is sent to the second anchor point as the PDU session by UL CL 2nd UPF.

17. device according to claim 14, which is characterized in that be used to indicate the use in the first instruction information Flow guidance mode be more ownership flow guidance modes in the case where, described device further include:

Third receiving module, the second strategy sent for receiving the PCF entity；Wherein, second strategy is the PCF What the address information for the application server that the access for the UE that entity is provided according to the application will be redirected to was formulated Strategy；

Second switching module, for being cut according to second strategy to the path applied described in the user equipment access It changes.

18. device according to claim 17, which is characterized in that second switching module includes:

Second generation unit, for according to the second policy development Second Rule；

Second transmission unit, for the Second Rule to be sent to bifurcation BP, wherein the Second Rule is used to indicate institute State the of the third anchor point that the UE received the upstream data for accessing the application is sent to as the PDU session by BP Three UPF；

Third transmission unit, for sending advertising of route message to the user equipment by the 3rd UPF, wherein described Carrying in advertising of route message is the first IPv6 prefix information and route option information, is carried in the route option information The address information for the application server that the access for the UE that the application provides will be redirected to.

19. device according to claim 17, which is characterized in that described device further include:

Second sending module, for sending notification information to the application layer, wherein the notification information is for notifying described answer Switched with the path that layer user equipment access is applied and is completed.

20. a kind of operation executive device characterized by comprising

Sending module, for sending the flow guiding request for requesting network to carry out flow guiding；

Receiving module is led for receiving the flow used when the network carries out flow guiding that is used to indicate that the network returns Information is indicated to the first of mode, wherein the flow guidance mode includes following one: Uplink classifier UL CL stream Guidance mode is measured, it is belong to flow guidance mode more；

Operation module, for executing application operating according to the flow guidance mode of the first instruction information instruction.

21. device according to claim 20, which is characterized in that the first instruction information includes at least one of letter Breath: being used to indicate the flow guidance mode used is UL CL flow guidance mode or more ownership flow guiding sides The explicit indication information of formula, if receive the 6th edition IPv6 prefix information of the first Internet protocol；Wherein, receive it is described In the case where first IPv6 prefix information, the first instruction information is used to indicate the flow guidance mode used and is More ownership flow guidance modes, in the case where not receiving the first IPv6 prefix information, the first instruction information is used In indicating that the flow guidance mode used is UL CL flow guidance mode.

22. device according to claim 21, which is characterized in that be used to indicate the use in the first instruction information Flow guidance mode be UL CL flow guidance mode in the case where, the operation module includes:

First gravity treatment unit applies reselection operation for executing；

First transmission unit, for the stream description information after gravity treatment to be sent to strategy and control function PCF；Wherein, the stream Description information is switched over for path of the network to user equipment (UE) access application.

23. device according to claim 21, which is characterized in that be used to indicate the use in the first instruction information Flow guidance mode be more ownership flow guidance modes in the case where, the operation module includes:

First gravity treatment unit, for after the completion of the path that the network applies user equipment access switches over, execution to be answered Use reselection operation.

24. device according to claim 21, which is characterized in that be used to indicate the use in the first instruction information Flow guidance mode be more ownership flow guidance modes in the case where, the operation module includes:

Second transmission unit, for the network send it is described apply to the UE provide service will be redirected to newly Application server address information；

First receiving unit, the notification information provided for receiving the network, the notification message is for notifying the application The path switching that the UE accesses the application is completed；

Unit is redirected, for by the address for applying the service redirection provided to UE to the new application server.

25. a kind of conversation management functional entity characterized by comprising processor, the processor are used to run program, In, method described in any one of perform claim requirement 1 to 7 when described program is run.

26. a kind of application layer equipment characterized by comprising processor, the processor is for running program, wherein described Method described in any one of perform claim requirement 8 to 12 when program is run.

27. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein when described program is run Method described in any one of perform claim requirement 1 to 7.

28. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein when described program is run Method described in any one of perform claim requirement 8 to 12.

29. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run Benefit require any one of 1 to 7 described in method.

30. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run Benefit require any one of 8 to 12 described in method.