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WO2012155769A1 - Procédé et système pour restaurer une fonction s-cscf lors d'une reprise après sinistre - Google Patents

Procédé et système pour restaurer une fonction s-cscf lors d'une reprise après sinistre Download PDF

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Publication number
WO2012155769A1
WO2012155769A1 PCT/CN2012/074594 CN2012074594W WO2012155769A1 WO 2012155769 A1 WO2012155769 A1 WO 2012155769A1 CN 2012074594 W CN2012074594 W CN 2012074594W WO 2012155769 A1 WO2012155769 A1 WO 2012155769A1
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WO
WIPO (PCT)
Prior art keywords
cscf
user
hss
authentication
redundant
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2012/074594
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English (en)
Chinese (zh)
Inventor
曹刚
倪明
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ZTE Corp
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ZTE Corp
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Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2012155769A1 publication Critical patent/WO2012155769A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04L65/80—Responding to QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection

Definitions

  • the present invention relates to a reversing redundancy technology in an IP Multimedia Subsystem (IMS, IP Multimedia Subsystem), and more particularly to a method for recovering and recovering disaster recovery of a service call session control function (S-CSCF) and system.
  • IMS IP Multimedia Subsystem
  • S-CSCF service call session control function
  • the IP Multimedia Subsystem is a standard for next-generation networks defined by the 3rd Generation Partnership Project (3GPP). Its distinctive feature is the use of the Session Initiation Protocol (SIP).
  • SIP Session Initiation Protocol
  • the system, communication and access have nothing to do, can have multiple media service control functions and bearer separation, call and session separation, application and service separation, service and network separation, and mobile network and Internet service integration and other capabilities.
  • FIG. 1 is a schematic diagram of an existing IMS network architecture.
  • the main functional entities in the IMS system include: a Proxy call session control function (P-CSCF), and an access gateway control function entity ( AGCF, Access Gateway Control Function, I-CSCF, Interrogating call session control Function, S-CSCF, Serving call session control Function, (HSS, Home subscriber Server) Network architecture.
  • P-CSCF Proxy call session control function
  • AGCF Access Gateway Control Function
  • I-CSCF Interrogating call session control Function
  • S-CSCF Serving call session control Function
  • HSS Home subscriber Server
  • the connection between the network elements can be as shown in Figure 1.
  • the functions of the network elements and their connection relationships are all in the prior art.
  • the functions of the network elements and their connection relationships are not mentioned here.
  • the above NE functions and their connection relationships can be found in the relevant standards of the IMS system.
  • S-CSCF network element of the current service is unavailable because the version is upgraded or the device is faulty.
  • the network needs to provide an effective DR mechanism to switch services to other available devices as much as possible to minimize user service loss. After the S-CSCF version is upgraded or the fault is rectified, you need to migrate the user service to the original S-CSCF device in time to reduce the load on other devices.
  • the main purpose of the present invention is to provide a method and system for disaster recovery recovery of a service call session control function entity, which can resolve the S-CSCF recovery function of a fault or update operation, and then the user reverts back to the S-CSCF.
  • the problem of inefficiency is to provide a method and system for disaster recovery recovery of a service call session control function entity, which can resolve the S-CSCF recovery function of a fault or update operation, and then the user reverts back to the S-CSCF.
  • a method for the service call session control function entity disaster recovery recovery reversal comprising: initiating a reversal function querying the call session control function entity I-CSCF, when receiving a registration message of the user, querying the initial configuration information of the user by using the HSS And forwarding the registration message to the service call session control function entity S-CSCF initially configured by the user;
  • the S-CSCF performs authentication authentication on the user by using the HSS, and after the authentication is authenticated, the authentication is performed to the I-CSCF, so that the user accesses the S-CSCF.
  • the S-CSCF is a faulty or updated S-CSCF; the method further includes:
  • the method further includes:
  • the redundant S-CSCF clears registration information of the user.
  • the method further includes:
  • the I-CSCF determines that all users on the S-CSCF are turned back and then turns off their own rewind function.
  • the method further includes:
  • the user accessing the S-CSCF registers with the redundant S-CSCF and maintains the current service of the user.
  • the initial configuration information includes the initial configuration server name Server-Name and/or server performance Server-Capability attribute information of the user.
  • a system for a service call session control function entity disaster recovery recovery including an HSS, an I-CSCF, and an S-CSCF; the system further includes:
  • a startup unit configured to start a rewind function of the I-CSCF
  • the I-CSCF is configured to: when the registration message of the user is received, query the initial configuration information of the user by using the HSS; and forward the registration message to the S-CSCF initially configured by the user;
  • the S-CSCF is configured to authenticate the user by using the HSS, and after the authentication is passed, perform registration authentication on the I-CSCF, so that the user accesses the S-CSCF.
  • the S-CSCF is a faulty or updated S-CSCF
  • the initiating unit is further configured to start a rewind function of the I-CSCF after the S-CSCF is restored.
  • the system further includes: a redundant S-CSCF;
  • the HSS is further configured to: when the user returns to the S-CSCF from a faulty or pre-updated redundant S-CSCF, notify the redundant S-CSCF to terminate registration with the user;
  • the redundant S-CSCF is configured to clear registration information of the user.
  • the system further comprises:
  • the closing unit is configured to: after determining that all users on the S-CSCF are backed up, turn off the rewinding function of the I-CSCF.
  • the S-CSCF is used to perform the logout operation on the accessed user, so that the user registered to the redundant S-CSCF is re-registered to the fault recovery S-CSCF, thereby achieving load balancing between the S-CSCFs.
  • the rewind function of the I-CSCF is started, and the user can be returned to the fault recovery.
  • the operation of the S-CSCF does not require the user to logout, and the S-CSCF does not need to notify the user to perform the rewind.
  • the S-CSCF rewind operation can be completed automatically, which has the advantages of simple implementation steps and short operation time.
  • Figure 1 is a schematic diagram of an existing IMS network architecture
  • FIG. 2 is a flowchart of the S-CSCF disaster recovery recovery reversal in the IMS according to the embodiment of the present invention. detailed description
  • the basic idea of the present invention is that, after determining the S-CSCF recovery function of the fault or update operation, it is not necessary for the user to log out from the redundant S-CSCF, and it is not necessary to use the S-CSCF to notify the user to logout, but to open the I-CSCF.
  • the rewind function realizes the logout operation for the accessed user through the I-CSCF, so that the user registered to the redundant S-CSCF is re-registered to the fault recovery S-CSCF, thereby achieving load balancing between the S-CSCFs.
  • the I-CSCF rewind function is started, and the user can be returned to the fault recovery.
  • the rewind function of all I-CSCFs in the domain is first turned on.
  • the user who has successfully registered on the P-CSCF/AGCF sends a registration message to the I-CSCF.
  • the local I-CSCF receives the registration message sent by the user in the local domain, does not query the currently used S-CSCF information, but sends the information to the HSS.
  • Query the attributes of the initial configuration of the user such as Server-Name or Server-Capability
  • the I-CSCF uses the attribute information such as Server-Name or Server-Capability in the initial configuration information to enable the user to perform the initial registration process, and determine the available slaves.
  • the S-CSCF recovered in the failure sends a registration message to the S-CSCF.
  • the S-CSCF After receiving the registration message, the S-CSCF performs corresponding initial registration processing on the user through the HSS.
  • the HSS completes the registration process of the user in the failed recovery S-CSCF, and completes the logout work on other S-CSCFs according to the normal process.
  • FIG. 2 is a flowchart of the S-CSCF disaster recovery recovery reversal in the IMS according to the embodiment of the present invention. As shown in FIG. 2, the S-CSCF disaster recovery recovery reversal method in the IMS is described in detail below with reference to FIG.
  • the application environment of this example is that the user registers and uses the service service in the S-CSCF1 according to the initial registration policy; when the S-CSCF1 fails or needs to be upgraded, the user switches to the S-CSCF2 to register and use the service service; S-CSCF1 To recover from a failure, you need to return the service to the S-CSCF1.
  • the method for reversing the S-CSCF disaster recovery recovery in the example IMS includes the following steps: S202: Enable the rewind function of the I-CSCF.
  • the I-CSCF rewind function is enabled.
  • the rewind function of the I-CSCF can be automatically turned on according to a certain policy, or can be turned on by the administrator through manual setting.
  • the user registered on the P-CSCF/AGCF initiates a registration request to the I-CSCF.
  • the HSS returns a user authorization response message to the I-CSCF, where the user authorization response message includes information about an initial configuration of the user required by the I-CSCF.
  • the I-CSCF sends the user registration request to the fault recovery S-CSCF1 according to the Server-Name or Server-Capability information in the initial configuration information of the user.
  • the S-CSCF1 After receiving the registration request of the user, the S-CSCF1 initiates a multimedia authentication request to the HSS to obtain corresponding authentication information.
  • the HSS returns the authentication information of the user.
  • the S-CSCF After receiving the authentication information of the user returned by the HSS, the S-CSCF returns a 401 error code to the I-CSCF, and performs corresponding registration and authentication processing.
  • the HSS determines that the user is sent back to the S-CSCF1 by the S-CSCF2, and sends a registration termination request to the S-CSCF2.
  • the S-CSCF2 clears the user related information, and returns a registration termination response to the HSS.
  • the user's service can be returned to the fault recovery S-CSCF network element without user logout, which has the advantages of simple operation and short influence time.
  • the invention also describes a system for the service call session control function entity disaster recovery recovery, including the HSS, the I-CSCF and the S-CSCF; the system further includes:
  • a startup unit configured to start a rewind function of the I-CSCF
  • the I-CSCF is configured to: when the registration message of the user is received, query the initial configuration information of the user by using the HSS; and forward the registration message to the S-CSCF initially configured by the user;
  • the S-CSCF is configured to authenticate the user by using the HSS, and after the authentication is passed, perform registration authentication on the I-CSCF, so that the user accesses the S-CSCF.
  • the S-CSCF described above is a faulty or updated S-CSCF
  • the initiating unit is further configured to start a rewind function of the I-CSCF after the S-CSCF is restored.
  • the system for the disaster recovery recovery of the service call session control function entity of the present invention further includes: a redundant S-CSCF;
  • the HSS is further configured to: when the user returns to the S-CSCF from a faulty or pre-updated redundant S-CSCF, notify the redundant S-CSCF to terminate registration with the user;
  • the redundant S-CSCF is configured to clear registration information of the user.
  • the system of the service call session control function entity of the present invention further includes: a shutting down unit, configured to: after determining that all users on the S-CSCF are backed up, turning off the rewinding function of the I-CSCF.
  • the system for the disaster recovery recovery of the service call session control function entity in the embodiment of the present invention is implemented on the basis of the existing IMS system architecture, and the processing functions of the I-CSCF, the S-CSCF, and the HSS are improved. .
  • the main functions of each network element and their connection relationship can be referred to. It is understood that the improved function of the above-mentioned network element can be understood by referring to the related description of the foregoing method for the service call session control function entity disaster recovery recovery.
  • the S-CSCF after determining the S-CSCF recovery function of the fault or the update operation, it is not necessary for the user to log out from the redundant S-CSCF, and the S-CSCF is not required to notify the user to logout, but to open the I-CSCF.
  • the function is to perform the logout operation for the accessed user through the I-CSCF, so that the user registered to the redundant S-CSCF is re-registered to the fault recovery S-CSCF, thereby achieving load balancing between the S-CSCFs.

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

Abstract

L'invention concerne un procédé pour restaurer une fonction de contrôle de session d'appel serveuse (S-CSCF) lors d'une reprise après sinistre. Selon ce procédé, à la réception d'un message d'enregistrement d'un utilisateur, une fonction de contrôle de session d'appel interrogatrice (I-CSCF) avec laquelle une fonction de restauration est lancée interroge des informations de configuration initiale de l'utilisateur par l'intermédiaire d'un serveur d'abonné résidentiel (HSS); le message d'enregistrement est retransmis à une fonction S-CSCF configurée initialement par l'utilisateur; la fonction S-CSCF effectue une authentification et une authentification relative à l'utilisateur par l'intermédiaire du serveur HSS, l'authentification d'enregistrement est effectuée sur la fonction I-CSCF après la réussite de l'authentification et l'authentification, de sorte que l'utilisateur accède à la fonction S-CSCF. L'invention concerne également un système pour restaurer une fonction de contrôle de session d'appel serveuse lors d'une reprise après sinistre, ce système mettant en oeuvre le procédé susmentionné. Le procédé de restauration selon la présente invention ne nécessite pas de suppression d'enregistrement de l'utilisateur ni de notification de l'utilisateur par la fonction S-CSCF concernant la réalisation de la restauration, et permet de mettre en oeuvre automatiquement la restauration de la fonction S-CSCF, de sorte qu'il présente des avantages de simplicité de mise en oeuvre et de rapidité d'exécution.
PCT/CN2012/074594 2011-09-28 2012-04-24 Procédé et système pour restaurer une fonction s-cscf lors d'une reprise après sinistre Ceased WO2012155769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110297936.1 2011-09-28
CN201110297936.1A CN102340505B (zh) 2011-09-28 2011-09-28 S-cscf容灾恢复倒回的方法及系统

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WO2012155769A1 true WO2012155769A1 (fr) 2012-11-22

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WO (1) WO2012155769A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102340505B (zh) * 2011-09-28 2014-12-10 中兴通讯股份有限公司 S-cscf容灾恢复倒回的方法及系统
CN104767751A (zh) * 2015-04-02 2015-07-08 大唐移动通信设备有限公司 一种会话控制方法和装置
CN106209473B (zh) * 2016-07-25 2019-02-15 中国联合网络通信集团有限公司 一种容灾倒回的方法及系统
CN106302077B (zh) * 2016-08-18 2019-12-13 中国联合网络通信集团有限公司 一种容灾倒回方法及设备
CN109995765A (zh) * 2019-03-11 2019-07-09 河北远东通信系统工程有限公司 一种ims网络agcf双归属注册方法
CN114125909B (zh) * 2020-08-31 2023-08-22 华为技术有限公司 一种故障恢复方法及装置

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WO2008154955A1 (fr) * 2007-06-19 2008-12-24 Telefonaktiebolaget Lm Ericsson (Publ) Récupération ims après défaillance hss
CN101453726A (zh) * 2008-12-27 2009-06-10 华为技术有限公司 一种恢复临时数据的方法、系统和设备
CN101616011A (zh) * 2008-06-23 2009-12-30 阿尔卡特朗讯公司 用于将终端注册到ims中的应用服务器的方法、设备和系统
CN102340765A (zh) * 2011-07-18 2012-02-01 中国电信股份有限公司 容灾负荷均衡方法、装置和系统
CN102340505A (zh) * 2011-09-28 2012-02-01 中兴通讯股份有限公司 S-cscf容灾恢复倒回的方法及系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008154955A1 (fr) * 2007-06-19 2008-12-24 Telefonaktiebolaget Lm Ericsson (Publ) Récupération ims après défaillance hss
CN101616011A (zh) * 2008-06-23 2009-12-30 阿尔卡特朗讯公司 用于将终端注册到ims中的应用服务器的方法、设备和系统
CN101453726A (zh) * 2008-12-27 2009-06-10 华为技术有限公司 一种恢复临时数据的方法、系统和设备
CN102340765A (zh) * 2011-07-18 2012-02-01 中国电信股份有限公司 容灾负荷均衡方法、装置和系统
CN102340505A (zh) * 2011-09-28 2012-02-01 中兴通讯股份有限公司 S-cscf容灾恢复倒回的方法及系统

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CN102340505B (zh) 2014-12-10

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