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WO2010075721A1 - Procédé et système pour une régulation de niveau d'utilisateur ims en fonction des données d'abonnement - Google Patents

Procédé et système pour une régulation de niveau d'utilisateur ims en fonction des données d'abonnement Download PDF

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Publication number
WO2010075721A1
WO2010075721A1 PCT/CN2009/075323 CN2009075323W WO2010075721A1 WO 2010075721 A1 WO2010075721 A1 WO 2010075721A1 CN 2009075323 W CN2009075323 W CN 2009075323W WO 2010075721 A1 WO2010075721 A1 WO 2010075721A1
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WO
WIPO (PCT)
Prior art keywords
user
information
session
cscf
control
Prior art date
Application number
PCT/CN2009/075323
Other languages
English (en)
Chinese (zh)
Inventor
杨玉婕
舒续祖
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2010075721A1 publication Critical patent/WO2010075721A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1073—Registration or de-registration

Definitions

  • the present invention relates to the field of network communication technologies, and in particular, to an IMS user level control method and system based on subscription data.
  • the IP Multimedia Subsystem IP Multimedia Subsystem
  • IMS IP Multimedia Subsystem
  • P-CSCF Proxy Cal l Session Control Function
  • the QoS signaling control and resource allocation mechanism in the IMS network is independent of the session control protocol. Mainly complete the authorization/update/revoke of media resources, confirm bearer reservation, gate open/close, indicate bearer release/failure and other functions.
  • AF Appl ication Function
  • P-CSCF Proxy-CSCF
  • A-RACF Access-Resource Admi Ssion Control Function
  • QoS Profi le subscription data describing the QoS indicators, the maximum number of contact addresses and the maximum number of concurrent sessions, and then QoS control can be performed accordingly, as well as controlling the number of registered users and the number of concurrent sessions.
  • P-CSCF proxy call session control function
  • Step 1-2 indicates that the proxy call session control function P-CSCF obtains the user name, user IP, and media information from the session request protocol invitation (SDP offer: Session Description Protocol offer) after receiving the user's session request. Wait, then forward the session request to the network.
  • SDP offer Session Description Protocol offer
  • Steps 3-4 indicate that after the P-CSCF receives the session request response SDP answer returned by other devices on the network, the P-CSCF obtains the flow ID, the IP address of the user equipment UE, and the flow bandwidth information from the SDP answer.
  • the P-CSCF then sends an AAR (Authorization Authentication Request) authorization request message to the Service Policy Decision Function (SPDF).
  • AAR Authorization Authentication Request
  • Steps 5, 6, and 7 indicate that the business policy decision function SPDF sends the authorization Q0S information to the Border Gateway Function (BGF: Border Gate Funtion).
  • BGF Border Gateway Function
  • the BGF performs QoS control according to the authorized QOS information of the SPDF and the local idle resource, and sends a Go RPT (Go interface Report message) response to the SPDF.
  • Go RPT Go interface Report message
  • the SPDF sends an AAA (Authorization Authentication Account) authorization response to the P-CSCF. information.
  • AAA Authorization Authentication Account
  • the BGF can only determine whether resources can be reserved for users according to resource idle conditions, and cannot perform QoS control according to user rights or subscription information.
  • the QoS control policy can be configured only based on a certain BGF, that is, accessing the IMS network from the same BGF. Users in the middle can only use the same QoS control policy.
  • QoS resources that can be used by ordinary users who access the same BGF as home users or enterprise network users may be preempted by home users or enterprise network users, and their normal calls or other services are seriously affected.
  • the AF cannot obtain the maximum number of contact addresses and the maximum number of concurrent sessions of the user.
  • the number of registered users and the number of concurrent sessions can only be controlled to the granularity of the network element.
  • enterprise network users or home users registered in this network element cannot control the number of contact addresses and concurrent sessions registered. If the number of contact addresses and concurrent sessions registered by enterprise network users or home users is very large, normal registration and session of ordinary users will be affected because the registration and session behavior of home users cannot be controlled.
  • the application layer function AF of the communication system cannot obtain related user information corresponding to the user identifier, and performs precise service control at the relevant user level.
  • the embodiment of the present invention provides an IMS user-level control method and system based on subscription data.
  • the user-level service control device can obtain the account opening information of the user and perform the QoS to the user. Control, or register user count control, or concurrent session count control process.
  • the IMS user-level control method based on the subscription data provided by the embodiment of the present invention includes: when receiving the registration request or the session request of the user, the user-level service control device acquires the user information corresponding to the user identifier, and according to the acquired The user information is respectively performed at the user level QoS control, or the registered user number control, or the concurrent session number control, and the user information is stored in the user database UDB of the system when the user opens the account.
  • the user information includes user location information and QoS profile data, and the user-level service control device performs user-level QoS control; or
  • the user-level service control device performs registration number control
  • the user information includes the maximum number of concurrent sessions, and the user-level service control device performs concurrent conference number control.
  • the user location information and the QoS profile data are the same as the user location information and the QoS profile data provided by the NASS subsystem, respectively; or the user location information and the QoS profile data are the e2 interface and the Gq' interface of the IMS network, respectively. Part or all of the information provided.
  • the user-level service control module is the initial session protocol SIP (Ses Initial
  • the SIP proxy includes proxy call session control function P_CSCF, service call session control function S-CSCF, query call session control function I-CSCFo
  • An IMS user-level control system based on subscription data further comprising: a user database, configured to store user information corresponding to the user identifier;
  • a user-level service control device configured to receive a registration request or a session request from a user
  • User information corresponding to the user identifier is obtained in the user database, and user level QoS control, or registered user number control, or session number control is performed according to the obtained user information.
  • the SIP agent or the application server AS controls, and the service control of the user is performed accurately.
  • different QoS control policies are used for users accessing the same BGF to the IMS network to ensure reasonable allocation of network resources.
  • the number of registered users or the number of concurrent sessions of the communication network can be controlled to ensure that normal registration and sessions of multiple users are not affected by interference.
  • FIG. 1 is a flow chart of QoS control when no NASS subsystem is deployed in an IMS network in the prior art
  • FIG. 2 is a flowchart of an IMS user-level control method based on subscription data according to an embodiment of the present invention
  • FIG. 5 is a flowchart of obtaining the user information and completing the QoS control policy by using the S-CSCF control in the second embodiment of the method provided by the present invention
  • FIG. 6 is a flowchart of obtaining user information through an AS and completing a QoS control policy in Embodiment 3 of the method provided by the present invention
  • FIG. 7 is a flowchart of a process for obtaining user information through a SIP proxy and completing registration of a registered user number in Embodiment 4 of the method provided by the present invention
  • FIG. 8 is a schematic diagram of the fifth embodiment of the method provided by the present invention, which acquires user information through a SIP proxy and completes Flow chart of processing the number of sessions;
  • FIG. 9 is a flowchart of a process for obtaining user information through an AS and performing concurrent conference number control in Embodiment 6 of the method provided by the present invention.
  • FIG. 10 is a schematic structural diagram of an IMS user-level control system based on subscription data provided by the present invention. detailed description
  • an embodiment of the present invention provides an IMS user-level control method based on subscription data, including the following steps:
  • the user information corresponding to the user identifier is added to the user account opening data, that is, the subscription data including the user location information, the QoS profile data, the maximum contact address number, and the maximum number of concurrent sessions.
  • the user-level service control device performs user-level QoS control, or registered user number control, or concurrent session number control according to the acquired user information.
  • the user-level service control device performs user-level QoS control according to the obtained user location information and QoS Profi le data; or the user-level service control device performs registration user number control according to the obtained maximum contact address number; or the user level The service control device controls the number of concurrent sessions according to the maximum number of concurrent sessions obtained.
  • the user-level service control device is a SIP proxy or an application server AS; the SIP proxy includes a proxy call session control function P-CSCF, a service call session control function S-CSCF, and a call conference session control function I_CSCF.
  • the user location information and the QoS profile data are respectively the same as the user location information and the QoS profile data provided by the NASS subsystem; or the user location information and the QoS profile data are respectively provided by the e2 interface and the Gq' interface of the IMS network.
  • real Flexible configuration can be configured according to QoS control requirements.
  • the user sends a registration request to the proxy call session control function P-CSCF;
  • the P-CSCF sends the user registration request to the query call session control function I-CSCF;
  • the I-CSCF sends the user registration request to the serving call session control function S-CSCF to complete user registration.
  • the S-CSCF sends a server allocation request SAR (Server Assigment Request) information to the user database UDB, and requests to obtain related user location information and QoS profile data.
  • SAR Server Assigment Request
  • the UDB returns to the S-CSCF by using a server allocation response SAA (Server Assigment Answer) information including related user location information and QoS profile data.
  • SAA Server Assigment Answer
  • the S-CSCF returns a response message carrying the relevant user location information and the QoS profile data to the I-CSCF.
  • the I-CSCF returns a response message carrying the relevant user location information and the QoS profile data to the P-CSCF.
  • the P-CSCF returns the response information to the user.
  • the P-CSCF When the P-CSCF receives a request for sending a session, the P-CSCF generates an AAR authorization request message that includes user location information and QoS profile data.
  • the P-CSCF sends the AAR information carrying the user location information and the QoS profile data to the service policy decision function SPDF.
  • the SPDF sends the AAR information to the access network resource admission control function A-RACF.
  • A-RACF Determine, by the A-RACF, a QoS control policy, and return the SPDF to the SPDF by using AAA information.
  • the SPDF sends the QoS control policy to a network device with a Qos control function, that is, a border gateway function BGF, and performs network QoS control by interacting with the BGF.
  • a Qos control function that is, a border gateway function BGF
  • the BGF feeds back the control response information to the SPDF.
  • the service call session control function S-CSCF controls the user identification information, such as the IMPI identification information of the user, from the user database UDB.
  • the corresponding user location information and QoS profile data, and the user level QoS control are as shown in FIG. 5:
  • the user sends a registration request to the service call session control function S-CSCF;
  • the S-CSCF sends the SAR information to the user database UDB to query related user location information and QoS profile data.
  • the user database UDB returns the SAA information carrying the relevant user location information and the QoS Profi le data to the S-CSCF.
  • the S-CSCF sends a response information 200 of the user registration to the user.
  • the profile data determines whether the media type or the codec information in the user session request is signed
  • S-CSCF determines that the subscription is not signed, reject the current session in the response information 300 returned to the user, or modify the media type or codec information in the user session request.
  • the application server AS controls to obtain user identification information from the user database UDB, for example, an IMPU (IMS) for SIP signaling routing.
  • IMS IMPU
  • the information of the user-level QoS control is as shown in FIG. 6 : 601.
  • the S-CSCF receives and processes the session request of the user.
  • the S-CSCF sends the SAR information to the user database UDB to query related user location information. And QoS Profile data;
  • the user database UDB returns the SAA information carrying the relevant user location information and the QoS profile data to the S-CSCF;
  • the application server AS sends a user data request UDR (User Data Request) information to the user database UDB, and queries the user subscription information including the QoS profile data.
  • UDR User Data Request
  • the user database UDB returns user data response UDA (User Data Answer) information carrying relevant user location information and QoS profile data to the application server AS;
  • UDA User Data Answer
  • the application server AS determines, according to the QoS profile data, whether the media type or codec information in the user session request is signed, and if not signed, rejects the session in a response returned to the S-CSCF, or modifies the user.
  • Media type or codec information in the session request
  • the S-CSCF forwards the response to the user.
  • the number of the maximum contact address corresponding to the user identification information is obtained from the user database UDB through the SIP proxy control.
  • the processing flow for controlling the number of registered users is shown in Figure 7:
  • the user sends a registration request to the SIP proxy.
  • the SIP proxy When the SIP proxy receives the user registration request, send the SAR information to the user database UDB, and query the user identification information, such as the maximum number of contact addresses corresponding to the IMPU.
  • the user database UDB returns the SAA information carrying the maximum number of contact addresses to the SIP proxy, and the SIP proxy determines whether the number of contact addresses of the registered IMPU corresponding to the locally recorded user is greater than or equal to the maximum number of contact addresses opened by the user. Yes, this registration is rejected; otherwise, this registration is performed;
  • the SIP proxy notifies the user of the judgment processing result.
  • Controlling slave data through SIP proxy when receiving a user's registration request or session request includes:
  • the user sends a session request to the SIP proxy.
  • the SIP proxy When the SIP proxy receives the user session request, querying the user identifier information, such as the maximum number of concurrent sessions corresponding to the IMPU identifier information, by sending the SAR information to the user database UDB.
  • the user identifier information such as the maximum number of concurrent sessions corresponding to the IMPU identifier information
  • the user database UDB returns the SAA information that carries the maximum number of concurrent sessions to the SIP proxy, and determines whether the number of concurrent sessions corresponding to the user identifier information that is locally recorded is greater than or equal to the maximum number of concurrent sessions opened by the user. Reject this session request; otherwise, this session;
  • the SIP proxy notifies the user of the judgment processing result.
  • the application server AS controls to obtain the maximum number of concurrent sessions corresponding to the user identification information, such as the IMPU identification information of the user, from the user database UDB, and performs the process of controlling the number of concurrent sessions.
  • the process is shown in Figure 9:
  • the user forwards the session request to the application server AS through the S IP proxy;
  • the application server AS When the application server AS receives the user session request, send the UDR information to the user database UDB, and query the maximum number of concurrent sessions corresponding to the user identifier information.
  • the user database UDB returns the UDA information that carries the maximum number of concurrent sessions to the application server AS.
  • the application server AS determines whether the number of concurrent sessions corresponding to the IMPU recorded by the local device is greater than or equal to the maximum number of concurrent sessions opened by the user. If yes, reject this session request; otherwise, proceed to this session;
  • the application server AS notifies the user of the determination processing result.
  • the method described in all the foregoing embodiments of the present invention may also be used to obtain user information corresponding to the user identification information, to perform QoS control to the user, or to register the user. Number control, or concurrent session number control process.
  • An embodiment of the present invention further provides an IMS user-level control system based on subscription data. As shown in FIG. 10, the system includes:
  • the user-level service control device 20 is configured to obtain user information corresponding to the user identifier from the user database 10 when receiving the registration request or the session request of the user, and perform user-level QoS control according to the acquired user information. Or register the number of users to control, or send the number of sessions to control.
  • the user-level service control device 20 is a SIP proxy or an application server AS; the SIP proxy includes a proxy call session control function P_CSCF, a service call session control function S-CSCF, and an inquiry call session control function I_CSCF.
  • the system can flexibly configure other hardware units or servers in actual operation, for example, during the QoS control process for the user.
  • the above-mentioned IMS user-level control method and system based on subscription data can be used when the NASS system is not deployed in the IMS network, according to the account opening information of the user, through the P-CSCF or S-CSCF in the SIP proxy, or the application server AS.
  • Control accurate to the user's QoS control process, and for a number of enterprise network users or home users registered in the IMS network at the same time, you can control the number of registered users or concurrent sessions, to ensure the normal registration and session of multiple users Will be affected by interference.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un système pour une régulation de niveau d'utilisateur IMS en fonction des données d'abonnement. Le procédé comprend les étapes suivantes : lors de la réception d'une demande d'enregistrement ou d'une demande de session d'un utilisateur, un dispositif de régulation de services de niveau d'utilisateur obtient les informations d'utilisateur correspondant à l'identifiant d'utilisateur, et effectue respectivement la régulation de QoS, la régulation du nombre d'utilisateurs d'enregistrement ou la régulation du nombre de sessions concurrentes du niveau d'utilisateur selon les informations d'utilisateur obtenues. Les informations d'utilisateur sont stockées dans une base de données d'utilisateurs (UDB) du système lorsqu'un compte est ouvert par l'utilisateur. Par l'utilisation du mode de réalisation de l'invention, le nombre d'utilisateurs d'enregistrement ou le nombre de sessions concurrentes sera régulé. Lorsque le système NASS n'est pas déployé dans le réseau IMS, la régulation de services précis d'utilisateur de l'utilisateur peut être réalisée selon les informations de données d'abonnement d'ouverture de compte de l'utilisateur.
PCT/CN2009/075323 2009-01-04 2009-12-04 Procédé et système pour une régulation de niveau d'utilisateur ims en fonction des données d'abonnement WO2010075721A1 (fr)

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CN200910036410.0 2009-01-04
CN 200910036410 CN101489266B (zh) 2009-01-04 2009-01-04 一种基于签约数据的ims用户级控制方法及系统

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Publication number Priority date Publication date Assignee Title
CN101489266B (zh) * 2009-01-04 2011-04-13 华为技术有限公司 一种基于签约数据的ims用户级控制方法及系统
CN102244902A (zh) * 2010-05-11 2011-11-16 中兴通讯股份有限公司 一种接纳控制方法、装置及系统
CN104253799B (zh) * 2013-06-28 2017-10-13 中国电信股份有限公司 Ims网络中的服务质量控制方法与系统
CN104348806A (zh) * 2013-08-01 2015-02-11 中兴通讯股份有限公司 一种ims网络中自适应处理并发会话的方法及装置
CN105830412B (zh) * 2013-12-20 2020-02-14 瑞典爱立信有限公司 会话发起处理
CN110730444A (zh) * 2019-10-18 2020-01-24 中国联合网络通信集团有限公司 基于终端的通信网络接入方法及装置

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CN101489266A (zh) * 2009-01-04 2009-07-22 华为技术有限公司 一种基于签约数据的ims用户级控制方法及系统

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