WO2011140883A1 - Procédé et système de fermeture de sessions d'utilisateurs - Google Patents

Procédé et système de fermeture de sessions d'utilisateurs Download PDF

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Publication number
WO2011140883A1
WO2011140883A1 PCT/CN2011/072880 CN2011072880W WO2011140883A1 WO 2011140883 A1 WO2011140883 A1 WO 2011140883A1 CN 2011072880 W CN2011072880 W CN 2011072880W WO 2011140883 A1 WO2011140883 A1 WO 2011140883A1
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WO
WIPO (PCT)
Prior art keywords
cscf
user
notification message
public
user identifier
Prior art date
Application number
PCT/CN2011/072880
Other languages
English (en)
Chinese (zh)
Inventor
缪永生
李世涛
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2011140883A1 publication Critical patent/WO2011140883A1/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]

Definitions

  • the present invention relates to the field of communications, and in particular to a method and system for canceling a user.
  • IP Multimedia Subsystem IMS
  • 3GPP 3rd Generation Partnership Project
  • SIP Session Initiation Protocol
  • SIP Session Initiation Protocol
  • the proposal of IMS complies with the trend of communication network convergence development.
  • the main functional entities in the IMS system include: User Equipment (UE), Proxy call session control function (P-CSCF), and Interrogating call session.
  • Control Function referred to as I-CSCF
  • S-CSCF Serving call session control function
  • HSS Home Subscriber Server
  • AS Application Server
  • the Public User Identity is the user ID that the user communicates in the IMS network. If an IMS public user ID is to be used for the session, the user must first register. The registration process is to carry out the location on the network.
  • a Subscribe / Notify mechanism allows a network entity to subscribe to certain resource information. When the resource information changes, the network entity responsible for the resource can notify the subscriber. After the registration is successful, the UE, the P-CSCF, and the AS will establish a subscription for the user registration status to the S-CSCF. After the user registration status is changed, the S-CSCF can notify the P-CSCF, UE, and AS through the Notify message to ensure the entire network. Data consistency.
  • a subscription/notification relationship established between a UE, a P-CSCF, an AS, and an S-CSCF when the registration status of the user changes, the S-CSCF actively sends a Notify notification message to notify UE, P-CSCF, AS. Therefore, the data of the entire network of the UE, the P-CSCF, the S-CSCF, the HSS, and the AS are consistent.
  • the S-CSCF can actively log off the user for the operation and maintenance needs of the operator (such as blacklist, arrears, pirate call, user management, etc.). The S-CSCF actively cancels the user process in the IMS system, as shown in FIG.
  • Step S202 The S-CSCF decides to actively log off an IMS user according to the local policy or the operation and maintenance requirement;
  • Step S204 based on The established subscription/notification mechanism, the S-CSCF sends a notify request to the P-CSCF, the request is used by the S-CSCF to notify the UE to cancel the user, and the request message carries the public user identifier of the user only;
  • Step S206 the P-CSCF forwards The notify request to the UE;
  • Step S208 after the UE completes the logout logic, sends a response message of the notify request to the P-CSCF, such as 200 OK;
  • Step S210 the P-CSCF forwards the notify response message to the S-CSCF;
  • Step S212 based on the established The subscription/notification mechanism, the S-CSCF sends a notify request to the P-CSCF, the request is used by the S-CSCF to notify the P-CSCF to cancel the user, and the request message carries the public user identifier of
  • Step SAR the request message carries the public user identifier of the user, and the HSS is notified to log off the user;
  • Step S222 After the AS completes the processing logic, the AS sends a response message of the notify request to the S-CSCF, such as 200 OK.
  • the S-CSCF when the S-CSCF actively deregisters the user, the UE, the P-CSCF, the S-CSCF, and the HSS can be guaranteed.
  • the AS's network-wide data is consistent.
  • the main objective of the present invention is to provide a method for canceling the user to solve the above problem. At least one of the problems. According to one aspect of the invention, a method of logging out a user is provided.
  • the method for canceling a user includes: the service call S-CSCF receives a notification message from the AS indicating that the user is logged off, wherein the notification message carries the public user identifier; the S-CSCF parses the notification message and cancels the corresponding corresponding to the public user identifier. user. Before the S-CSCF receives the notification message, the method further includes: the AS determines, according to the local policy and/or the operation requirement, that the user needs to be actively logged off; the AS constructs the notification message.
  • the AS constructs the notification message to include: the AS in the notification message carries the indication information of the AS actively canceling the user through the session initial protocol SIP header field or the extended parameter in the header field.
  • the S-CSCF parsing the notification message includes: The S-CSCF obtains the public user identifier and the indication information from the notification message.
  • the S-CSCF determines the validity of the notification message. If the notification message is valid, the S-CSCF determines to cancel the user corresponding to the public user identifier.
  • the notification message includes one of the following: a registration request message, a subscription request message.
  • a system for logging out of a user comprises: AS, configured to send a notification message indicating that the user is logged out to the service call S-CSCF, wherein the notification message carries a public user identifier; S-CSCF, set to resolve the notification message and log out of the public User corresponding to the user ID.
  • the AS is also configured to determine the need to actively log off the user based on local policies and/or operational requirements to construct a notification message.
  • the AS is further configured to carry the indication information of the AS actively deregistering the user through the session initial protocol SIP header field or the extended parameter in the header field in the notification message.
  • the S-CSCF is further configured to obtain a public user identifier and indication information from the notification message.
  • the S-CSCF is further configured to determine the validity of the notification message, and determine to cancel the user corresponding to the public user identifier if the notification message is legal.
  • the AS actively constructs and sends a notification message to the S-CSCF, and the S-CSCF completes the operation of canceling the user, and solves the problem that the S-CSCF actively cancels the user in the related technology and cannot satisfy the third-generation partner program and the operator based on the operation.
  • the need for peacekeeping strategies can meet the needs of operators' operation and maintenance strategies and improve user experience.
  • FIG. 1 is a schematic diagram of an IMS network architecture according to the related art
  • FIG. 2 is a flowchart of an IP multimedia subsystem S-CSCF actively deregistering a user according to the related art
  • FIG. 3 is a logout according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for canceling a user according to a preferred embodiment 1 of the present invention
  • FIG. 5 is a flowchart of a method for canceling a user according to a preferred embodiment 2 of the present invention
  • BEST MODE FOR CARRYING OUT THE INVENTION will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
  • the S-CSCF can actively log out the user. However, based on the requirements of the operator's operation and maintenance and the policy, the AS is expected to actively log off the user.
  • Step S302 The S-CSCF receives a notification message from the AS indicating that the user is logged off, where the notification message carries the public user identifier.
  • Step S304 The S-CSCF parses the notification message and deregisters the user corresponding to the public user identifier.
  • the AS constructs a notification message indicating the logout user, and the S-CSCF receives and parses the notification message to perform the operation of logging out the user.
  • the AS determines, according to the local policy and/or the operation requirement, that the user needs to be actively logged off, and constructs the notification message.
  • AS operates, for meeting the needs of operators' operation and maintenance policies (AS actively deregisters users' needs) and improve user experience.
  • the local policy may be configured statically or dynamically according to the needs of different operators.
  • the operation and maintenance requirements may be at least one of the following service requirements: blacklist, arrears, basic service failure, and the like.
  • the AS configuration notification message may include the following process:
  • the AS carries the indication information of the AS actively deregistering the user in the notification message by using the SIP header field or the extended parameter in the existing header field.
  • the S-CSCF parsing notification message may include the following process: The S-CSCF obtains the public user identifier and the foregoing indication information from the notification message.
  • the process of constructing the above notification message by the AS and the process of the S-CSCF parsing the notification message can effectively realize the purpose of the AS actively deregistering the user, and improve the user body risk. And the method is simple and easy to implement.
  • the following processing may be further included: (1) the S-CSCF determines the validity of the notification message;
  • the S-CSCF determines to log out the user corresponding to the above public user identity.
  • the S-CSCF can determine the validity of the notification message according to the AS identifier or the IP address information carried in the notification message, and perform the logout user operation on the legal notification message. .
  • the security of the network can be enhanced to prevent malicious logout attacks. Ensure that the appropriate logout action is performed on legitimate cancellation notices.
  • the notification message includes but is not limited to one of the following: a registration request message, a subscription request message, and the notification message may also be other messages based on the SIP protocol.
  • FIG. 4 (the notification message is a registration request message) and FIG. 5 (the notification message is a subscription request message).
  • 4 is a flow chart of a method of deregistering a user in accordance with a preferred embodiment 1 of the present invention.
  • the AS constructs a registration request message, where the message carries a public user identifier (ie, a user indicating that the user needs to be logged out), and the AS cancels the user indication, and the S-CSCF determines the indication and obtains related information.
  • a public user identifier ie, a user indicating that the user needs to be logged out
  • Step S402 The AS determines to actively deregister the IMS user according to the operation and maintenance management requirement
  • Step S404 The AS constructs a Register request, and the notification message carries the public user identification information, and the Expires is equal to 0.
  • the SIP protocol extension field or the extended parameter carries the AS active logout indication, such as Event: asdereg protagonist AS constructs the logout notification message, and sends it to the S-CSCF;
  • Step 4 gathers S406: The S-CSCF receives the AS request message, and passes The prior art judges the validity of the notification message, and through the extended field or the extended parameter in the message, parses out the AS to actively log out the user indication, and prepares to perform the logout user operation;
  • Step S410 Based on the established subscription/notification mechanism, the S-CSCF sends a notify request to the P-CSCF, where the request is used by the S-CSCF to notify the UE to log off.
  • the user the request message, carries the public user identifier of the user;
  • Step S412 The P-CSCF forwards the notify request to the UE;
  • Step S414 After completing the logout logic, the UE sends a response message of the notify request to the P-CSCF, such as 200 OK;
  • Step S416 The P-CSCF forwards the notify response message to the S-CSCF;
  • Step S418 Based on the established subscription/notification mechanism, the S-CSCF sends a notify request to the P-CSCF, the request is used by the S-CSCF to notify the P-CSCF to log off the user.
  • the request message carries the public user identifier of the user.
  • Step S420 After completing the processing logic, the P-CSCF sends a response message of the notify request to the S-CSCF, such as 200 OK.
  • Step S422 The S-CSCF sends an update user request to the HSS ( Server Assignment Request (SAR), the request message carries the public user ID of the user, and notifies the HSS to log off the user;
  • Step S424 After the HSS completes the logout logic, sends an update to the S-CSCF.
  • User response Server Assignment Answer, referred to as the SAA).
  • FIG. 5 is a flow chart of a method for canceling a user in a preferred embodiment 2 of the present invention. As shown in FIG.
  • the AS constructs a subscribe request message, the message carries the public user identifier, and the AS cancels the user indication, and the S-CSCF performs the logout user operation after determining the indication and obtaining the related information.
  • the method mainly includes the following processing: Step S502: The AS determines to actively deregister the IMS user according to the operation and maintenance management requirement. Step S504: The AS constructs a subscribe request, and the notification message carries the public user identification information, and the Expires is equal to 0.
  • the SIP protocol extension field or the extended parameter carries the AS active logout indication, such as Event: asdereg constructive AS constructs the logout notification message, and sends it to the S-CSCF;
  • Step S506 The S-CSCF receives the AS request message, determines the validity of the notification message by using the prior art, and parses out the AS active logout user indication through the extended field or the extended parameter in the message, and prepares to perform the logout user operation;
  • Step S512 The P-CSCF forwards the notify request to the UE;
  • Step S514 After completing the logout logic, the UE sends
  • SAA Assignment Answer
  • 6 is a structural block diagram of a system for logging out a user according to an embodiment of the present invention.
  • the system is applied to the IP multimedia subsystem.
  • the system includes: an application server (AS) 10, configured to send a notification message to the S-CSCF indicating that the user is logged off, where the notification message carries the public user identifier;
  • the S-CSCF 12 is configured to parse the notification message and deregister the user corresponding to the public user identifier.
  • the AS 10 constructs a notification message indicating the logout user, and the S-CSCF 12 receives and parses the notification message to perform the operation of canceling the user.
  • the AS 10 can be compatible with the existing S-CSCF to log out the user's process, and realize the purpose of the AS actively deregistering the user and improve the user experience.
  • the AS 10 is further configured to determine that the local policy and/or operational requirement needs to actively log off the user, constructing the notification message. With the above processing, it can meet the needs of operators' operation and maintenance strategies (AS actively deregisters users' needs) and improve user body-risk.
  • the AS 10 is further configured to carry the indication information that the AS actively logs out the user by using the extended parameter in the SIP header field or the header field in the notification message.
  • the S-CSCF 12 is further configured to obtain the public user identifier and the indication information from the notification message.
  • the S-CSCF 12 is further configured to determine the validity of the notification message, and determine to cancel the user corresponding to the public user identifier when the notification message is legal.
  • the preferred working mode of the combination of the AS 10 and the S-CSCF 12 can be referred to the description in FIG. 3 to FIG. 5 , and details are not described herein again.
  • the AS constructs a logout notification message of the user, and the message carries the public user identifier and the indication information of the AS logout user, and the S-CSCF parses the message and performs the logout user.
  • the operation ensures the consistency of data across the entire network between the UE, the P-CSCF, the S-CSCF, and the AS. It can meet the needs of operators' operation and maintenance policies (AS actively deregisters users' needs) and improves user experience. And the method is simple and effective, and can be compatible with the process of the existing S-CSCF to log off the user.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé et un système de fermeture de sessions d'utilisateurs, lesquels s'appliquent à des sous-sytèmes multimédia IP. Selon le procédé, une fonction de gestion de sessions d'appel de service (S-CFSC) reçoit d'un serveur d'application (AS) un message de notification indiquant de fermer les sessions d'utilisateurs, le message de notification portant un identificateur d'utilisateur public (S302). La fonction S-CSCF traite le message de notification et ferme les sessions des utilisateurs correspondant à l'identificateur d'utilisateur public (S304). La solution selon la présente invention résout le problème lié au fait que la fermeture de sessions d'utilisateurs effectuée activement par la fonction S-CSCF dans la technologie afférente ne répond pas aux exigences d'un projet de partenariat de troisième génération et d'opérateurs basés sur l'exploitation, la maintenance et la politique, de sorte que les exigences de l'opérateur en termes d'exploitation de maintenance et de politique peuvent être satisfaites et que les utilisateurs en bénéficient.
PCT/CN2011/072880 2010-05-10 2011-04-15 Procédé et système de fermeture de sessions d'utilisateurs WO2011140883A1 (fr)

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CN201010172764A CN101820674A (zh) 2010-05-10 2010-05-10 注销用户的方法及系统
CN201010172764.0 2010-05-10

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CN101820674A (zh) * 2010-05-10 2010-09-01 中兴通讯股份有限公司 注销用户的方法及系统
CN105307144B (zh) * 2014-07-21 2019-08-13 中国移动通信集团公司 一种注册方法、呼叫方法、应用服务器及网络域设备

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CN101079892A (zh) * 2007-07-10 2007-11-28 华为技术有限公司 订阅注册状态的处理方法、系统及装置
CN101136942A (zh) * 2007-09-29 2008-03-05 中兴通讯股份有限公司 采用动态业务激活信息保持数据一致性的处理方法
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