CN111371843A - Data storage method and device - Google Patents
Data storage method and device Download PDFInfo
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- CN111371843A CN111371843A CN202010102375.4A CN202010102375A CN111371843A CN 111371843 A CN111371843 A CN 111371843A CN 202010102375 A CN202010102375 A CN 202010102375A CN 111371843 A CN111371843 A CN 111371843A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/62—Establishing a time schedule for servicing the requests
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Abstract
The invention discloses a data storage method and device, and belongs to the technical field of communication. The data storage method comprises the following steps: the cloud platform sends the data storage service request to the terminal and receives the data storage service request feedback message fed back by the terminal, so that the problem that when the user side actively initiates the data storage request, the terminal data is not stored timely or even the terminal data is lost due to user negligence can be solved, and the use experience of the user is improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a data storage method and device.
Background
The innovation and surge of the information technology promotes the vigorous development of the terminal industry, and the functions of the terminal are more and more abundant, so that the diversified requirements of users can be met. However, while the terminal functions are rich, the storage resources required for operating the functions are also larger and larger, and the storage resources of the terminal are limited, which may cause the terminal to operate slowly or even not to be used normally when the storage resources are occupied too much. With the development of the 5G mobile communication technology and the cloud technology, part of terminal functions can be moved to the cloud, so that the pressure on terminal storage resources during the operation of the terminal functions is effectively reduced. Under ideal conditions, the terminal only needs to have the most basic hardware setting and a lightweight operating system, basic display and primary calculation and storage functions can be achieved, other functions are achieved through a network and a cloud, and the terminal is called a thin terminal. Because the function of the thin terminal depends on the network and the cloud, the thin terminal needs to access the data of the cloud at any time through the network when operating the function of the thin terminal. Specifically, a user sends a service request to a base station through a terminal, the base station sends the service request to a core network, the core network accesses a cloud end and then downloads relevant data to the base station, and the relevant data are fed back to the terminal through the base station. The access mode needs the user side to actively initiate a data storage request, and terminal data is easily stored in a short time or even lost due to user negligence.
Therefore, the invention provides a new data storage mode, the network side actively initiates a data storage request, and the data of the terminal is ensured to be stored in time and not easy to lose, thereby improving the use experience of the user.
Disclosure of Invention
Therefore, the invention provides a data storage method and a data storage device, which aim to solve the problem that when a user side actively initiates a data storage request, the terminal data is easily stored untimely and even lost due to user negligence.
In order to achieve the above object, a first aspect of the present invention provides a data storage method applied to a cloud platform, including:
sending a data storage service request to a terminal;
and receiving a data storage service request feedback message fed back by the terminal.
Further, after receiving the data storage service request feedback message fed back by the terminal, the method further includes:
receiving data sent by the terminal and storing the data;
sending data storage result information to the terminal; wherein the data storage result information comprises a storage version number and an update time.
Further, the data storage service request may be sent periodically according to a period preset by a user.
In order to achieve the above object, a second aspect of the present invention provides a data storage method applied to a session management function entity, including:
receiving a data storage service request sent by a cloud platform;
judging the validity of the terminal data storage service;
and forwarding the data storage service request to a corresponding entity according to the validity judgment result.
Further, the determining the validity of the terminal data storage service and forwarding the data storage service request to the corresponding entity according to the validity determination result includes:
judging whether the identification of the access and mobility management functional entity where the terminal resides in a current protocol data unit session list is consistent with the identification of the access and mobility management functional entity stored in the cloud platform;
if the data storage service request is consistent with the validity service request, the terminal data storage service is a validity service, and the data storage service request is sent to the terminal;
and if the data storage service request is inconsistent with the data storage service request, the data storage service request is sent to an access and mobility management functional entity where the terminal resides, so that the access and mobility management functional entity forwards the data storage service request to the terminal.
Further, the data storage service request is forwarded to a short message function entity according to the validity judgment result, so that the short message function entity forwards the data storage service request to a corresponding entity.
In order to achieve the above object, a third aspect of the present invention provides a data storage method applied to a user plane functional entity, including:
receiving a data storage service request sent by a cloud platform, and forwarding the data storage service request to a session management function entity;
when the session management functional entity judges that the terminal data storage service is the validity service, receiving a data storage service request feedback message sent by the terminal; when the session management functional entity judges that the terminal data storage service is invalid service, receiving the data storage service request feedback message which is sent by the terminal and forwarded by the access and mobility management functional entity where the terminal resides;
and sending the data storage service request feedback message to the cloud platform.
Further, after the sending the data storage service request feedback message to the cloud platform, the method further includes:
receiving data storage result information fed back by the cloud platform; wherein, the data storage result information comprises a storage version number and update time;
and sending the data storage result information to the terminal.
Further, the data storage result information is sent to a short message function entity, so that the short message function entity forwards the data storage result information to the terminal.
In order to achieve the above object, a fourth aspect of the present invention provides a data storage device applied to a cloud platform, including:
the sending module is used for sending a data storage service request to the terminal;
and the receiving module is used for receiving the data storage service request feedback message fed back by the terminal.
The invention has the following advantages:
according to the data storage method provided by the invention, the cloud platform sends the data storage service request to the terminal and receives the data storage service request feedback message fed back by the terminal, so that the problem that the terminal data is not stored timely or even lost due to negligence of a user when the user side actively initiates the data storage request can be solved, and the use experience of the user is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a flowchart of a data storage method according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a data storage method according to a second embodiment of the present invention;
FIG. 3 is a flowchart of a data storage method according to a third embodiment of the present invention;
FIG. 4 is a flowchart of a data storage method according to a fourth embodiment of the present invention;
FIG. 5 is a schematic block diagram of a data storage device according to a fifth embodiment of the present invention;
FIG. 6 is a signaling flow diagram of a data storage system according to a sixth embodiment of the present invention;
fig. 7 is a signaling flow chart of a data storage system according to a seventh embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The data storage method provided by the embodiment of the invention considers that most of the existing data storage methods are that the user side actively initiates the data storage request, so that the terminal data is easily stored untimely or even lost due to the negligence of the user, and the data storage method for actively initiating the data storage request by the network side is provided, so that the data of the terminal can be ensured to be stored in time and is not easy to lose, and the use experience of the user is improved.
Fig. 1 is a flowchart of a data storage method according to a first embodiment of the present invention, which is applied to a cloud platform. As shown in fig. 1, the data storage method may include the steps of:
step S101, sending a data storage service request to the terminal.
The data storage service request comprises terminal and user information, terminal storage information, cloud platform information and network information. The terminal and user information comprises home operator information, a 5G user permanent identifier, a user hidden identifier, a 5G globally unique temporary identifier, a permanent equipment identifier and the like; the terminal storage information comprises terminal database information, data storage version information, data updating information, a data sending mode, a sending period and the like; the cloud platform information comprises a cloud platform name, a cloud platform IP address, protocol data unit session authorization information and the like; the network information includes protocol data unit session identification, protocol data unit session continuity information, access and mobility management function entity identification, session management function entity related information, user plane function entity related information, and the like. The data storage service request can be sent regularly according to a period preset by a user, and can also be sent by triggering the cloud platform by the user at any time according to the actual storage requirement of the user.
Generally, due to the compatibility problem of the communication protocol, the data storage service request is not directly sent to the terminal from the cloud platform, but is subjected to a series of forwarding through a plurality of functional entities of the operator core network, and finally the data storage service request is sent to the terminal. In the process of executing the forwarding operation, the functional entities need to select a forwarding object and execute the forwarding operation according to the terminal and user information, the terminal storage information, the cloud platform information and the network information in the data storage service request.
In one embodiment, the cloud platform sends a data storage service request to a User Plane Function (UPF). After receiving the data storage service request sent by the cloud platform, the UPF forwards the data storage service request to a Session Management Function (SMF). After receiving the data storage service request forwarded by the UPF, the SMF judges the validity of the data storage service of the terminal, forwards the data storage service request to a corresponding entity according to the validity judgment result, and finally enables the terminal to receive the data storage service.
In one embodiment, the SMF determining validity of the terminal data storage service and forwarding the data storage service request to the corresponding entity according to the validity determination result includes:
the method comprises the steps that the SMF judges whether an Access and mobility Management Function (AMF) identifier where a terminal resides in a Protocol Data Unit (PDU) session list is consistent with an AMF identifier stored by a cloud platform or not;
if the two are consistent, the terminal data storage service is a validity service, and the SMF sends a data storage service request to the terminal;
if the data storage service request and the data storage service request are not consistent, the SMF indicates that the terminal data storage service is an invalid service, the SMF firstly sends the data storage service request to the AMF where the terminal resides, and the AMF where the terminal resides forwards the data storage service request to the terminal after receiving the data storage service request.
In one embodiment, the SMF sending the data storage service request to the terminal or the AMF where the terminal resides includes:
the SMF sends the data storage service request to a Short Message function (SMSF);
the SMSF forwards the data storage service request to the terminal or the AMF where the terminal resides.
Step S102, receiving a data storage service request feedback message fed back by the terminal.
Wherein the data storage service request feedback message comprises an agreement to the data storage service request and a rejection to the data storage service request. After receiving a data storage service request sent by a cloud platform, the terminal evaluates the storage requirement of the data storage service request, feeds back an agreement data storage service request to the cloud platform if the terminal has the storage requirement, and feeds back a rejection data storage service request to the cloud platform if the terminal does not have the storage requirement.
In one embodiment, after the terminal generates the data storage service request feedback message according to the storage requirement, if the data storage service is an effective service, the data storage service request feedback message is sent to the UPF, and the UPF forwards the data storage service request feedback message sent by the terminal to the cloud platform. If the terminal data storage service is an invalid service, the terminal firstly sends a data storage service request feedback message to the AMF where the terminal resides, the AMF where the terminal resides receives the data storage service request feedback message sent by the terminal, then forwards the data storage service request feedback message to the UPF, and the UPF forwards the data storage service request feedback message sent by the terminal to the cloud platform.
It can be understood that, if the data storage service request feedback message received by the cloud platform is an agreement to the data storage service request, the cloud platform performs preparation work before data storage, and feeds back a message capable of sending data to the terminal after the preparation work is completed. And after receiving the message which is fed back by the cloud platform and can send data, the terminal sends the data to be stored to the cloud platform.
It should be noted that, if the data storage service request is a periodic request, after the cloud platform and the terminal complete the first storage process (i.e., the storage process of the first period), the cloud platform already determines the validity of the data storage service of the terminal, and establishes a data transmission channel for data storage with the terminal, and the two directly perform data transmission and storage operations in the subsequent period. Specifically, the cloud platform sends a data storage service request to the terminal through the UPF according to a preset period; after receiving a data storage service request sent by a cloud platform, a terminal sends data to be stored to the cloud platform; and after receiving the data sent by the terminal, the cloud platform stores the data in a corresponding position.
Fig. 2 is a flowchart of a data storage method according to a second embodiment of the present invention, which is applied to a cloud platform. As shown in fig. 2, the data storage method may include the steps of:
step S201, sending a data storage service request to the terminal.
Step S201 in this embodiment is the same as step S101 in the first embodiment of the present invention, and is not described herein again.
Step S202, receiving a data storage service request feedback message fed back by the terminal.
Step S202 in this embodiment is the same as step S102 in the first embodiment of the present invention, and is not described herein again.
And step S203, receiving the data transmitted by the terminal and storing the data.
And when the data storage service request feedback message is the data storage service request agreement, the terminal sends data to be stored to the cloud platform. After receiving the data to be stored sent by the terminal, the cloud platform stores the data in corresponding positions for the terminal to access.
And step S204, sending data storage result information to the terminal.
The data storage result information comprises a storage version number and updating time.
In one embodiment, after the cloud platform completes data storage, data storage result information is sent to the SMSF; after receiving a data storage result sent by the cloud platform, the SMSF forwards data storage result information to the terminal; and the terminal receives the data storage result information which is transmitted by the cloud platform and forwarded by the SMSF to acquire the data storage version number and the updating time.
Fig. 3 is a flowchart of a data storage method according to a third embodiment of the present invention, which is applied to SMF. As shown in fig. 3, the data storage method may include the steps of:
step S301, receiving a data storage service request sent by a cloud platform.
In one embodiment, the cloud platform sends the data storage service request to the UPF, and the UPF forwards the data storage service request to the SMF after receiving the data storage service request sent by the cloud platform. And the SMF receives the data storage service request which is transmitted by the cloud platform and forwarded by the UPF.
Step S302, judging the validity of the terminal data storage service.
The SMF may determine whether the terminal data storage service is a validity service according to the AMF identifier.
In one embodiment, the SMF determines whether an AMF identifier where the terminal resides in a current PDU session list is consistent with an AMF identifier stored in the cloud platform. If the two are consistent, the terminal data storage service is judged to be an effective service, and if the two are not consistent, the terminal data storage service is judged to be an ineffective service.
Step S303, the data storage service request is forwarded to the corresponding entity according to the validity judgment result.
The connection between the terminal and the cloud platform is established through the operator core network, the validity judgment result of the terminal data storage service can reflect the authentication condition among the cloud platform, the operator core network and the terminal, and the authentication condition can influence the sending process of the data storage service request. Specifically, when the terminal data storage service is a validity service, it is indicated that three-party authentication has been established among the terminal, the operator core network, and the cloud platform, and at this time, the cloud platform can directly perform information transmission with the terminal through the operator core network, that is, the SMF can directly send the data storage service request to the terminal. When the terminal data storage service is an invalid service, it is indicated that three-party authentication is not established among the terminal, the operator core network and the cloud platform, or the terminal does not perform service interaction with the cloud platform through the operator core network, and at this time, the SMF needs to establish communication connection with the terminal by means of the AMF currently resident in the terminal, so as to send a data storage service request to the terminal.
In one embodiment, when the validity judgment result of the terminal data storage service is a validity service, the SMF sends a data storage service request to the terminal; and when the validity judgment result of the terminal data storage service is invalid service, the SMF sends the data storage service request to the AMF where the terminal resides, and the AMF where the terminal resides forwards the received data storage service request to the terminal. The SMF may send the data storage service request to the terminal or the AMF where the terminal resides through the SMSF, that is, the SMF first sends the data storage service request to the SMSF, and the SMSF then forwards the data storage service request to the terminal or the AMF where the terminal resides.
Fig. 4 is a flowchart of a data storage method according to a fourth embodiment of the present invention, which is applied to a UPF. As shown in fig. 4, the data storage method may include the steps of:
step S401, receiving a data storage service request sent by a cloud platform, and forwarding the data storage service request to a session management function entity.
The cloud platform and the terminal need to be connected through an operator core network to achieve data transmission. The UPF is used as a bridge for information transmission between the cloud platform and an operator core network, when the cloud platform sends a data storage service request to the terminal, the data storage service request is sent to the UPF, and after receiving the data storage service request, the UPF forwards the data storage service request to the SMF.
Step S402, when the session management function entity judges that the terminal data storage service is the validity service, receiving a data storage service request feedback message sent by the terminal; and when the session management functional entity judges that the terminal data storage service is invalid, receiving a data storage service request feedback message which is sent by the terminal and forwarded by the access where the terminal resides and the mobility management functional entity.
And after receiving the data storage service request, the SMF judges the validity of the terminal data storage service. When the terminal data storage service is an effective service, the SMF sends a data storage service request to the terminal; when the terminal data storage service is an invalid service, the SMF sends the data storage service request to the AMF where the terminal resides, and the AMF where the terminal resides forwards the data storage service request to the terminal after receiving the data storage service request. And after receiving the data storage service request, the terminal returns a data storage service request feedback message to the cloud platform according to the storage requirement of the data storage service request. The process that the terminal returns the data storage service request feedback message to the cloud platform corresponds to the process that the SMF sends the data storage service request to the terminal according to the terminal data storage service validity judgment result. Specifically, when the terminal data storage service is an effective service, the terminal sends a data storage service request feedback message to the UPF, and the UPF receives the data storage service request feedback message sent by the terminal; when the terminal data storage service is an invalid service, the terminal firstly sends a data storage service request feedback message to the AMF where the terminal resides, the AMF where the terminal resides forwards the data storage service request feedback message to the UPF after receiving the data storage service request feedback message, and the UPF receives the data storage service request feedback message sent by the terminal and forwarded by the AMF where the terminal resides.
Step S403, sending a data storage service request feedback message to the cloud platform.
And after receiving the data storage service request feedback message sent by the terminal or forwarded by the AMF where the terminal resides, the UPF forwards the data storage service request feedback message to the cloud platform, so that the cloud platform determines whether to execute data storage preparation work according to the data storage service request feedback message.
It should be noted that, in some embodiments, after the UPF sends the data storage service request feedback message to the cloud platform and the cloud platform completes the data storage operation based on the data storage service request feedback message, the UPF also receives data storage result information sent by the cloud platform and forwards the data storage result information to the terminal. The data storage result information comprises a storage version number and updating time. In one embodiment, forwarding the data storage result information to the terminal by the UPF may be implemented by an SMSF, that is, the UPF first sends the data storage result information to the SMSF, and then the SMSF forwards the data storage result information to the terminal.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
Fig. 5 is a schematic block diagram of a data storage device according to a fifth embodiment of the present invention, which is applied to a cloud platform. As shown in fig. 5, the data storage device includes: a sending module 501 and a receiving module 502.
A sending module 501, configured to send a data storage service request to a terminal.
The data storage service request comprises terminal and user information, terminal storage information, cloud platform information and network information. The data storage service request can be sent regularly according to a period preset by a user, and can also be sent by triggering the cloud platform by the user at any time according to the actual storage requirement of the user.
Generally, due to the compatibility problem of the communication protocol, the data storage service request is not directly sent to the terminal from the cloud platform, but is subjected to a series of forwarding through a plurality of functional entities of the operator core network, and finally the data storage service request is sent to the terminal.
In one embodiment, the cloud platform sends the data storage service request to the UPF through the sending module 501. And after receiving the data storage service request sent by the cloud platform, the UPF forwards the data storage service request to the SMF. After receiving the data storage service request forwarded by the UPF, the SMF judges the validity of the data storage service of the terminal, forwards the data storage service request to a corresponding entity according to the validity judgment result, and finally enables the terminal to receive the data storage service. Specifically, the SMF judges whether an AMF identifier of a terminal resident in a current PDU session list is consistent with an AMF identifier stored by a cloud platform; if the two are consistent, the terminal data storage service is a validity service, and the SMF sends a data storage service request to the terminal; if the data storage service request and the data storage service request are not consistent, the SMF indicates that the terminal data storage service is an invalid service, the SMF firstly sends the data storage service request to the AMF where the terminal resides, and the AMF where the terminal resides forwards the data storage service request to the terminal after receiving the data storage service request.
A receiving module 502, configured to receive a data storage service request feedback message fed back by a terminal.
Wherein the data storage service request feedback message comprises an agreement to the data storage service request and a rejection to the data storage service request.
In one embodiment, after the terminal generates the data storage service request feedback message according to the storage requirement, if the data storage service is an effective service, the data storage service request feedback message is sent to the UPF, the UPF forwards the data storage service request feedback message sent by the terminal to the cloud platform, and the receiving module 502 of the cloud platform receives the data storage service request feedback message returned by the terminal and forwarded by the UPF. If the data storage service of the terminal is an invalid service, the terminal firstly sends a data storage service request feedback message to an AMF (advanced multimedia broadcasting) which is resident at the terminal, the AMF which is resident at the terminal receives the data storage service request feedback message sent by the terminal and then forwards the data storage service request feedback message to a UPF (unified Power flow Filter), the UPF forwards the data storage service request feedback message sent by the terminal to a cloud platform, and a receiving module 502 of the cloud platform receives the data storage service request feedback message which is returned by the terminal and is forwarded by the AMF and the UPF.
It should be noted that, if the data storage service request is a periodic request, after the cloud platform and the terminal complete the first storage process (i.e., the storage process of the first period), the cloud platform already determines the validity of the data storage service of the terminal, and establishes a data transmission channel for data storage with the terminal, and the two directly perform data transmission and storage operations in the subsequent period. Specifically, the cloud platform sends a data storage service request to the UPF through the sending module 501 according to a preset period, and then the UPF forwards the data storage service request to the terminal; after receiving a data storage service request sent by a cloud platform, a terminal sends data to be stored to the cloud platform; and after receiving the data sent by the terminal, the cloud platform stores the data in a corresponding position.
It should be noted that all modules related in the fifth embodiment of the present invention are logic modules, and in practical application, one logic unit may be one physical unit, may also be a part of one physical unit, and may also be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
Fig. 6 is a signaling flow chart of a data storage system according to a sixth embodiment of the present invention. As shown in fig. 6, the data storage system includes: the system comprises a terminal, an operator core network and a cloud platform, wherein the operator core network comprises an SMF and a UPF.
Step S601, the cloud platform sends a data storage service request to the UPF.
In step S602, the UPF forwards the data storage service request to the SMF.
In step S603, the SMF determines the validity of the terminal data storage service.
Step S604, when the terminal data storage service is an effective service, the SMF forwards the data storage service request to the terminal.
Step S605, the terminal sends a data storage service request feedback message to the UPF.
Step S606, the UPF forwards the data storage service request feedback message to the cloud platform.
Step S607, the terminal sends data to the cloud platform.
Step S608, the cloud platform receives and stores the data sent by the terminal.
Step 609, the cloud platform sends data storage result information to the UPF.
Step S610, the UPF forwards the data storage result information to the terminal.
Fig. 7 is a signaling flow chart of a data storage system according to a seventh embodiment of the present invention, which is substantially the same as the sixth embodiment of the present invention, except that: the terminal data storage service is an invalid service, and data transmission between the cloud platform and the terminal needs to be established by means of the AMF where the terminal resides. As shown in fig. 7, the data storage system includes: the system comprises a terminal, an operator core network and a cloud platform, wherein the operator core network comprises an AMF (advanced metering function), an SMF (simple message format) and a UPF (unified power flow).
Step S701, the cloud platform sends a data storage service request to the UPF.
In step S702, the UPF forwards the data storage service request to the SMF.
In step S703, the SMF determines the validity of the terminal data storage service.
Step S704, when the terminal data storage service is an invalid service, the SMF forwards the data storage service request to the AMF where the terminal resides.
Step S705, the AMF where the terminal resides forwards the data storage service request to the terminal.
Step S706, the terminal sends a data storage service request feedback message to the AMF where the terminal resides.
Step S707, the AMF where the terminal resides forwards the data storage service request feedback message to the UPF.
Step S708, the UPF forwards the data storage service request feedback message to the cloud platform.
Step S709, the terminal sends data to the cloud platform.
Step S710, the cloud platform receives and stores the data sent by the terminal.
Step 711, the cloud platform sends data storage result information to the UPF.
In step S712, the UPF forwards the data storage result information to the terminal.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A data storage method is applied to a cloud platform and comprises the following steps:
sending a data storage service request to a terminal;
and receiving a data storage service request feedback message fed back by the terminal.
2. The data storage method according to claim 1, wherein after receiving the data storage service request feedback message fed back by the terminal, the method further comprises:
receiving data sent by the terminal and storing the data;
sending data storage result information to the terminal; wherein the data storage result information comprises a storage version number and an update time.
3. The data storage method of claim 1, wherein the data storage service request is sent periodically according to a period preset by a user.
4. A data storage method is applied to a session management function entity and comprises the following steps:
receiving a data storage service request sent by a cloud platform;
judging the validity of the terminal data storage service;
and forwarding the data storage service request to a corresponding entity according to the validity judgment result.
5. The data storage method according to claim 4, wherein the determining validity of the terminal data storage service and forwarding the data storage service request to the corresponding entity according to the validity determination result includes:
judging whether the identification of the access and mobility management functional entity where the terminal resides in a current protocol data unit session list is consistent with the identification of the access and mobility management functional entity stored in the cloud platform;
if the data storage service request is consistent with the validity service request, the terminal data storage service is a validity service, and the data storage service request is sent to the terminal;
and if the data storage service request is inconsistent with the data storage service request, the data storage service request is sent to an access and mobility management functional entity where the terminal resides, so that the access and mobility management functional entity forwards the data storage service request to the terminal.
6. The data storage method of claim 4, wherein the data storage service request is forwarded to a short message function entity according to a validity determination result, so that the short message function entity forwards the data storage service request to a corresponding entity.
7. A data storage method is applied to a user plane functional entity, and comprises the following steps:
receiving a data storage service request sent by a cloud platform, and forwarding the data storage service request to a session management function entity;
when the session management functional entity judges that the terminal data storage service is the validity service, receiving a data storage service request feedback message sent by the terminal; when the session management functional entity judges that the terminal data storage service is invalid service, receiving the data storage service request feedback message which is sent by the terminal and forwarded by the access and mobility management functional entity where the terminal resides;
and sending the data storage service request feedback message to the cloud platform.
8. The data storage method according to claim 7, wherein after sending the data storage service request feedback message to the cloud platform, the method further comprises:
receiving data storage result information fed back by the cloud platform; wherein, the data storage result information comprises a storage version number and update time;
and sending the data storage result information to the terminal.
9. The data storage method of claim 8, wherein the data storage result information is sent to a short message function entity, so that the short message function entity forwards the data storage result information to the terminal.
10. A data storage device applied to a cloud platform comprises:
the sending module is used for sending a data storage service request to the terminal;
and the receiving module is used for receiving the data storage service request feedback message fed back by the terminal.
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