WO2008009152A1 - Cadre général de serveur mandataire et procédé à base de protocole de lancement de session - Google Patents

Cadre général de serveur mandataire et procédé à base de protocole de lancement de session Download PDF

Info

Publication number
WO2008009152A1
WO2008009152A1 PCT/CN2006/001377 CN2006001377W WO2008009152A1 WO 2008009152 A1 WO2008009152 A1 WO 2008009152A1 CN 2006001377 W CN2006001377 W CN 2006001377W WO 2008009152 A1 WO2008009152 A1 WO 2008009152A1
Authority
WO
WIPO (PCT)
Prior art keywords
protocol
processing module
message
protocol processing
proxy server
Prior art date
Application number
PCT/CN2006/001377
Other languages
English (en)
Chinese (zh)
Inventor
Mingdong Li
Rongjun Zhu
Weiliang Lian
Original Assignee
Zte Corporation
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 Zte Corporation filed Critical Zte Corporation
Priority to PCT/CN2006/001377 priority Critical patent/WO2008009152A1/fr
Publication of WO2008009152A1 publication Critical patent/WO2008009152A1/fr

Links

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
    • H04L65/1066—Session management
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding
    • 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
    • H04L65/1101—Session protocols
    • H04L65/1104—Session initiation protocol [SIP]

Definitions

  • the present invention relates to a session initiation protocol technology, and more particularly to an architecture for implementing a session initiation protocol based proxy server and an implementation method thereof.
  • the Session Initiation Protocol is the RFC3261 protocol of The Internet Engineering Task Force (IETF).
  • IETF Internet Engineering Task Force
  • a proxy server Proxy Server
  • Session Initiation Protocol is the RFC3261 protocol of The Internet Engineering Task Force (IETF).
  • IETF Internet Engineering Task Force
  • a proxy server Proxy Server
  • the system is a network diagram for the session initiation protocol.
  • the following network elements are included in the session initiation protocol network: a user agent, a proxy server, a redirect server, and a registration server. These network elements communicate mainly through a session initiation protocol.
  • a user agent is a terminal system that performs actions on behalf of a user. It typically consists of two parts: User Agent Clients (UAC) 101 and User Agent Server (UAS) 102.
  • the user agent client is used to initiate a call request and the user agent server is used to respond to a call request.
  • the proxy server (Proxy Server) 103 is a client proxy that performs the function of transferring and forwarding SIP messages.
  • the message mechanism is similar to UAC101 and UAS102.
  • a proxy server consists of a protocol client and a protocol server back to back. After receiving a SIP request message, the proxy server first selects the next hop server, modifies the value of some message fields, and then forwards the message.
  • the proxy server can be stateful or stateless, meaning that the proxy server does not have to maintain the state of a session or call, but sometimes it can maintain the state of a SIP transaction.
  • the redirect server (Redirect Server) 104 receives the SIP request and puts the in-place request The address maps to zero or more addresses and is returned to the client, which resends the request based on this address.
  • the Registrar Server 105 receives the registration request sent by the user agent client.
  • the Location Server 106 provides the proxy server or redirect server with the location information currently available to the called party.
  • the specific way the network server accesses the location server is not within the scope of the SIP protocol.
  • the proxy server cooperates with two types of devices to complete the call processing: the client device and the central office device.
  • the client device is a user agent device (UAC and UAS), and the central office device is another proxy server (Proxy Server).
  • UAC and UAS user agent devices
  • Proxy Server another proxy server
  • the nomadic function of the client device is an important feature of the session initiation protocol, and the proxy server should support this feature. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a framework of a proxy server based on a session initiation protocol and an implementation method thereof, which can support the nomadic function of the client device of the session initiation protocol without reducing the data configuration of the proxy server, and reduce data.
  • the complexity of the configuration facilitates data maintenance and improves system efficiency.
  • the present invention provides a proxy server based on a session initiation protocol, which acts as an agent for an external user agent and an external user proxy server, and performs transfer and forwarding of the session initiation protocol, including: a network forwarding module (Network Transmiting) Module (NTM), one or more Protocol Processing Modules (PPMs), where:
  • NTM Network Transmiting
  • PPMs Protocol Processing Modules
  • the network forwarding module is configured with the correspondence between the IP address of the external user agent and the corresponding protocol processing module, and initiates a protocol flow for the received central office session sent by the external proxy server, according to the CALLID of the session initiation protocol message (call identifier) ), distributing the protocol message to any one of the protocol processing modules; for the received user sent by the external user agent End session initiation protocol flow, according to the configured IP address of the user agent and the corresponding relationship of the corresponding protocol processing module, the session initiation protocol flow is sent to the corresponding protocol processing module;
  • the protocol processing module initiates a protocol flow directly to the received central office session sent by the external proxy server, and directly performs protocol processing on the received client session sent by the external user agent, and parses the user identifier. If the protocol processing module has corresponding user data, the protocol processing module completes the protocol processing.
  • the proxy server of the present invention may further include:
  • PLRs Protocol Location Registers
  • the protocol processing module is further configured with a correspondence between an AOR (AOR) information and a protocol location register module, if the protocol processing module does not have corresponding user data, and if the protocol message Is a registration message, the protocol processing module determines a corresponding protocol location register module by recording a correspondence between the user agent record address information and the protocol location register module, and the user agent authentication is performed by the protocol location register module. Record the binding relationship between the user agent IP address and the corresponding protocol processing module.
  • AOR AOR
  • the proxy server of the present invention wherein if the protocol processing module does not have corresponding user data, and the protocol message is not a registration message, the protocol processing module treats it as an error message.
  • the proxy server according to the present invention wherein the protocol location register module further transmits the user agent data required by the session initiation protocol to the protocol processing module in the response message, and is saved by the protocol processing module.
  • the network forwarding module determines that the session initiation protocol flow is sent by the external proxy server by querying the IP address of the message source. Come, still sent by an external user agent.
  • the invention also proposes an implementation method of the proxy server based on the session initiation protocol
  • the method is to proxy the external user agent and the external user proxy server, and perform the transfer and forwarding of the session initiation protocol, which mainly includes the following steps:
  • the network forwarding module initiates a protocol flow to the received central office session sent by the external proxy server, and distributes the protocol message to any one of the protocol processing modules according to the CALLID of the session initiation protocol message;
  • the network forwarding module initiates a protocol flow to the received client session sent by the external user agent, and sends the session initiation protocol flow to the corresponding one according to the configured IP address of the user agent and the corresponding relationship of the corresponding protocol processing module.
  • Protocol processing module ;
  • the protocol processing module sends a protocol flow to the received central office session sent by the external proxy server, and directly completes the protocol processing;
  • the protocol processing module sends a protocol flow to the received client session sent by the external user agent, and parses the user identifier. If the protocol processing module has corresponding user data, the protocol processing module completes the protocol processing.
  • the method of the present invention may further include:
  • the protocol processing module determines a corresponding protocol location register module by recording a correspondence between the user agent record address information and the protocol location register module. And the protocol location register module performs user agent authentication on the message, and records the binding relationship between the user agent IP address and the corresponding protocol processing module.
  • the method of the present invention wherein if the protocol processing module does not have corresponding user data, and the protocol message is not a registration message, the protocol processing module processes it as an error message.
  • the method of the present invention wherein the protocol location register module further transmits user agent data required by the session initiation protocol to the protocol processing module in the response message, and is saved by the protocol processing module.
  • the network forwarding module determines that the session initiation protocol flow is sent by the external proxy server by querying the IP address of the message source. It is still sent by an external user agent.
  • the network forwarding module distributes the protocol message to a corresponding protocol processing module according to a certain algorithm according to a CALLID of the session initiation protocol message.
  • the invention separately processes the client device and the central office device that interact with the proxy server, and mainly realizes that the proxy server can support the nomadic function of the client device of the session initiation protocol without changing the data configuration, thereby reducing the complexity of data configuration. Degree, easy to maintain data, while improving system efficiency.
  • Figure 1 is a schematic diagram of a session initiation protocol
  • FIG. 2 is a direction diagram of a proxy server receiving protocol stream processing according to an embodiment of the present invention
  • FIG. 3 is a flow chart of proxy server protocol processing in accordance with an embodiment of the present invention.
  • the architecture device of the proxy server based on the session initiation protocol of the present invention includes:
  • the network forwarding module (NTM) 201 is configured with the correspondence between the IP address of the external user agent and the corresponding protocol processing module, and the received central office sent by the external proxy server.
  • the session initiation protocol flow distributes the protocol message to any one of the protocol processing modules according to the CALLID (call identifier) of the session initiation protocol message;
  • Protocol Processing Module (PPM) 202 the system has one or more PPM modules, configured with a correspondence between the user agent record address information and the protocol location register module, and is initiated by the received central office session sent by the external proxy server. Protocol flow, directly complete the protocol processing;
  • the protocol processing module determines a corresponding protocol location register module by recording a correspondence between the user agent record address information and the protocol location register module. And the user location authentication is performed by the protocol location register module, and the binding relationship between the user proxy IP address and the corresponding protocol processing module is recorded;
  • the protocol processing module does not have corresponding user data and the protocol message is not a registration message, it is processed by the protocol processing module as an error message.
  • the Protocol Location Register (PLR) 203 is configured with protocol-related data and corresponding authentication data, and implements data storage and query based on the session initiation protocol, and further sends a user agent required for the session initiation protocol to the protocol processing module in the response message. Data, and saved by the protocol processing module.
  • PLR Protocol Location Register
  • the processing method of the present invention is as follows:
  • Step 1 Configure the corresponding data in the physical entity of each module of the proxy server, configure the IP address and corresponding protocol of the external user agent (User Agent) in the network forwarding module (NTM). Corresponding relationship between the processing boards, configuring the correspondence between the AOR (AOR) information and the protocol location register PLR module in each protocol processing module (PPM); configuring protocol-related data on each protocol location register and Corresponding to the authentication data; the system is powered on;
  • AOR AOR
  • PLR protocol location register
  • Step 2 The session initiation protocol flow outside the system enters the network forwarding module (NTM); Step 3.
  • the network forwarding module (NTM) queries whether the IP address of the message source is a proxy server (Proxy Server), if not a proxy server (Proxy Server) Go to step 5, otherwise continue to step 4;
  • Step 4 Connect to step 3, for the central office session initiated protocol flow sent by the external proxy server (Proxy Server), the network forwarding module (NTM) distributes the protocol message according to a certain algorithm according to the CALLID of the session initiation protocol message.
  • Protocol processing module PPM the central office message does not need to configure user information
  • Step 5 the network forwarding module (NTM) queries whether the IP address of the message source is a user agent. If it is not the user agent, the process proceeds to step 8, otherwise step 6 is continued;
  • NTM network forwarding module
  • Step 6 Connect to step 5, initiate a protocol flow for the client session sent by the user agent, and the network forwarding module (NTM) according to the configured user agent (User Agent) IP address and corresponding protocol processing module ( Corresponding relationship of PPM), distributing the session initiation protocol flow to a corresponding protocol processing module (PPM);
  • NTM network forwarding module
  • PPM protocol processing module
  • Step 7 the protocol processing module (PPM) parses the protocol to determine whether there is corresponding user data, if there is corresponding user data to go down step 13, otherwise go to step 9;
  • PPM protocol processing module
  • Step 8 Step 5: 9. The network forwarding module (NTM) performs special processing on the message;
  • Step 9 is performed, the protocol processing module (PPM) parses the protocol, and determines whether it is a registration message. If it is not a registration message, step 8 is performed, otherwise step 10 is performed; Step 10. Step 9 is a registration message, and the protocol processing module (PPM) determines the corresponding protocol location register (PLR) module by referring to the user agent (AOR) information, and forwards the protocol message to the corresponding protocol location register (PLR). )
  • Step 11 the protocol location register (PLR) processes the message, and sends relevant user data to the protocol processing module (PPM) in the response message;
  • PLM protocol processing module
  • Step 12 Connect to step 11, the Protocol Location Register (PLR) saves the user data; Step 13. Step 4, 7, the Protocol Processing Module (PPM) performs final processing on the protocol;
  • PLR Protocol Location Register
  • PPM Protocol Processing Module
  • Step 14 Continue with steps 12 and 13, and complete this process.
  • the present invention separately processes the client device and the central office device that interact with the proxy server.
  • the CALLID is distributed. Since the session initiation protocol message interacting with the central office device does not contain user data, but must contain the CALLID, it can be distributed to the CALLID only.
  • the protocol processing module PPM
  • PPM protocol processing module
  • the degree is only related to a single user, not related to the user's device. Even if the registration and call of the same device user are processed one by one according to the granularity of a single user, the present invention sets the protocol location register (PLR) module at the user end.
  • PLR protocol location register
  • the protocol message is distributed to the protocol processing module (PPM) by using an algorithm related to the IP address of the client device, and the protocol processing module (PPM) finds the protocol of the client device.
  • the message is obtained by protocol parsing to obtain a single user identifier, and then interacts with the protocol location register (PLR) module to dynamically download the user data related to the user-specific single user granularity from the protocol location register (PLR), and the proxy server can configure the data without changing the data.
  • PLR protocol location register
  • the nomadic function of the client device supporting the session initiation protocol reduces the complexity of data configuration and facilitates data maintenance.
  • the single download data traffic is not large, and the download bandwidth is not formed. Bottleneck Low efficiency of the system, and subsequent processing is performed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

La présente invention concerne un cadre général de serveur mandataire et un procédé à base de protocole de lancement de session. Le serveur mandataire comporte un module d'émission réseau, un ou plusieurs modules de traitement de protocole, et en outre un ou plusieurs modules registres d'emplacements de protocole. Le fait de traiter séparément un terminal utilisateur et un terminal de bureau interagissant avec le serveur mandataire, l'invention est compatible avec la fonction d'itinérance du terminal utilisateur SIP (Session Initiation Protocol) dans la mesure où le serveur mandataire ne modifie pas la configuration des données. Cela permet de réduire la complexité de la configuration des données, facilite la maintenance des données et améliore l'efficacité de fonctionnement du système.
PCT/CN2006/001377 2006-06-19 2006-06-19 Cadre général de serveur mandataire et procédé à base de protocole de lancement de session WO2008009152A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/001377 WO2008009152A1 (fr) 2006-06-19 2006-06-19 Cadre général de serveur mandataire et procédé à base de protocole de lancement de session

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/001377 WO2008009152A1 (fr) 2006-06-19 2006-06-19 Cadre général de serveur mandataire et procédé à base de protocole de lancement de session

Publications (1)

Publication Number Publication Date
WO2008009152A1 true WO2008009152A1 (fr) 2008-01-24

Family

ID=38956497

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/001377 WO2008009152A1 (fr) 2006-06-19 2006-06-19 Cadre général de serveur mandataire et procédé à base de protocole de lancement de session

Country Status (1)

Country Link
WO (1) WO2008009152A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8469897B2 (en) 2007-10-15 2013-06-25 Pacesetter, Inc. Method and system for tracking quality of life in patients with angina

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020103850A1 (en) * 2001-01-31 2002-08-01 Moyer Stanley L. System and method for out-sourcing the functionality of session initiation protocol (SIP) user agents to proxies
KR20020064693A (ko) * 2002-06-14 2002-08-09 (주) 로스틱테크놀로지 접속 설정 프로토콜을 이용한 통신 서비스 품질 신호처리제공 방법
CN1510880A (zh) * 2002-12-25 2004-07-07 深圳市中兴通讯股份有限公司 一种在会话发起协议网络中呼叫路由的方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020103850A1 (en) * 2001-01-31 2002-08-01 Moyer Stanley L. System and method for out-sourcing the functionality of session initiation protocol (SIP) user agents to proxies
KR20020064693A (ko) * 2002-06-14 2002-08-09 (주) 로스틱테크놀로지 접속 설정 프로토콜을 이용한 통신 서비스 품질 신호처리제공 방법
CN1510880A (zh) * 2002-12-25 2004-07-07 深圳市中兴通讯股份有限公司 一种在会话发起协议网络中呼叫路由的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8469897B2 (en) 2007-10-15 2013-06-25 Pacesetter, Inc. Method and system for tracking quality of life in patients with angina

Similar Documents

Publication Publication Date Title
US9544375B2 (en) Technique for performing signaling conversion between HTTP and SIP domains
US7890101B2 (en) Call controlling apparatus, call controlling method, and computer program
US8780809B2 (en) System for communicating between internet protocol multimedia subsystem networks
EP2044747B1 (fr) Technique de fourniture d'accès à une ressource multimédia attachée à un dispositif enregistré dans le réseau
JP5091569B2 (ja) サービス毎通信制御装置、システム及び方法
US9100407B2 (en) Method and system to enhance performance of a session initiation protocol network and its elements
US9578127B2 (en) Method and apparatus for call processing for SIP and ISUP interworking
US20090093237A1 (en) Technique for providing interoperability between different protocol domains
WO2005114906A1 (fr) Procede et systeme d'obtention d'informations d'etat de noeuds de reseau sip
US20090067439A1 (en) Data communication system
JP5173607B2 (ja) 通信システム
JP2011524095A (ja) Ｓｉｐ−ｈｔｔｐアプリケーション相関器
US20100260174A1 (en) Relay access node with separate control and transport signaling for session-based communications
WO2010017749A1 (fr) Procédé et appareil pour négocier un algorithme de compression de données via une interface cx ou sh
US7591013B2 (en) System and method for client initiated authentication in a session initiation protocol environment
WO2009015587A1 (fr) Procédé, système et appareil de routage soap
WO2007079647A1 (fr) Procede, appareil et systeme de sauvegarde en reseau d'un systeme d'application sip
JP3854221B2 (ja) アドレス組の生存時間取得・計算を可能としたａｌｇ装置
WO2008046311A1 (fr) Procédé, système et entité de réseau pour la négociation de la version du protocole de description de session et l'obtention d'informations liées à ladite version
JP4627506B2 (ja) Ｈｔｔｐ対応端末をｓｉｐ対応サーバに接続する代理接続方法、プロキシサーバ及びプログラム
WO2007036124A1 (fr) Procédé d'adressage dans un système de communication
WO2007112649A1 (fr) Système, dispositif et procédé d'accès à une base de données fondés sur un protocole d'initialisation de session
WO2008009152A1 (fr) Cadre général de serveur mandataire et procédé à base de protocole de lancement de session
WO2007059704A1 (fr) Procede et systeme d'acquisition d'informations dans un protocole de lancement de session
WO2008086744A1 (fr) Procédé de mise en œuvre d'établissement d'appel, système et élément de réseau de contrôle d'appel

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 06752985

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 06752985

Country of ref document: EP

Kind code of ref document: A1