WO2008145044A1 - Procédé permettant d'obtenir des informations de connexion à un réseau, et entité de limite de réseau - Google Patents

Procédé permettant d'obtenir des informations de connexion à un réseau, et entité de limite de réseau Download PDF

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Publication number
WO2008145044A1
WO2008145044A1 PCT/CN2008/070937 CN2008070937W WO2008145044A1 WO 2008145044 A1 WO2008145044 A1 WO 2008145044A1 CN 2008070937 W CN2008070937 W CN 2008070937W WO 2008145044 A1 WO2008145044 A1 WO 2008145044A1
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WO
WIPO (PCT)
Prior art keywords
network
entity
message
connection information
network connection
Prior art date
Application number
PCT/CN2008/070937
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English (en)
Chinese (zh)
Inventor
Hui Li
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008145044A1 publication Critical patent/WO2008145044A1/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
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1104—Session initiation protocol [SIP]
    • 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 technologies, and in particular, to a method for acquiring network connection information and a network boundary entity. Background technique
  • IMS IP multimedia subsystem
  • IMS IP multimedia subsystem
  • 3GPP 3 rd Generat ion Partnership Proj ect, the Third Generation Partnership Project
  • SIP Session Initiation Protocol
  • Figure 1 shows the MS network architecture.
  • the main functional entities in the MS include the call control entity CSCF that controls functions such as user registration and session control, and the home subscriber server HSS that centrally manages user subscription data, providing various services.
  • the application server AS of the logic control function includes the call control entity CSCF that controls functions such as user registration and session control, and the home subscriber server HSS that centrally manages user subscription data, providing various services.
  • the application server AS of the logic control function includes the call control entity CSCF that controls functions such as user registration and session control, and the home subscriber server HSS that centrally manages user subscription data, providing various services.
  • the application server AS of the logic control function The application server AS of the logic control function.
  • the Interconnect Boundary Control Function Entity IBCF was introduced. Based on the operator's choice, the IBCF can be deployed between two MS networks or between the MS network and other multimedia networks as a carrier network boundary.
  • Figure 2 shows the architecture of the IBCF. As shown in the figure, the IBCF communicates with the SIP network element entities of other MS networks through the Mx interface, such as the proxy-call session control function entity P_CSCF, the query-call session control function entity I_CSCF, and the service.
  • the IBCF sends the media information to the resource and the authorization control subsystem RACS through the Gq' interface.
  • the RACS controls the I-BGF through the l a interface to perform functions such as media address domain conversion and QoS (Quality of Service) control.
  • the IMS network is a special SIP network.
  • the embodiments of the present invention provide a method for acquiring network connection information and a network boundary entity, which solves the problem that the MS network or the SIP network cannot obtain the network connection information of the message source in the prior art.
  • An embodiment of the present invention provides a method for acquiring network connection information, including the following steps: When a network border entity receives a message outside the network, obtains network connection information corresponding to the message; and part or all of the network that the network boundary entity will obtain. The connection information is added to the message sent to the internal network, and the message is sent to the internal network. After receiving the message, the internal network element of the network performs service processing according to the network connection information in the message.
  • Embodiments of the present invention also provide a network boundary entity, including
  • An information receiving unit configured to receive a message sent outside the network
  • a network connection information obtaining unit configured to obtain network connection information corresponding to the message according to the message received by the information receiving unit
  • a message processing unit configured to add part or all of the network connection information obtained by the network connection information acquiring unit to the message sent to the internal network;
  • a sending unit configured to send a message processed by the message processing unit to the inside of the network.
  • the network border entity when the network border entity receives the message outside the network, the network connection information corresponding to the message is obtained, and the obtained network connection information is added to the message sent to the internal network, so that the service inside the network is provided.
  • the entity can obtain the network connection information of the source, thereby performing service triggering, number analysis, routing control, accounting processing, or providing differentiated services according to the network connection information, so that the MS network or the SIP network can provide more services, so that the service implementation manner More reasonable.
  • FIG. 1 is a schematic diagram of an architecture of an existing MS network.
  • Figure 2 is a schematic diagram of the architecture of an existing IBCF entity in an MS network.
  • FIG. 3 is a flow chart of an embodiment of a method for acquiring network connection information according to the present invention.
  • FIG. 4 is a flow chart of another embodiment of a method for acquiring network connection information according to the present invention.
  • FIG. 5 is a flowchart of another embodiment of a method for acquiring network connection information according to the present invention.
  • FIG. 6 is a flow chart of another embodiment of a method for acquiring network connection information according to the present invention.
  • FIG. 7 is a schematic structural diagram of a network boundary entity in an embodiment of the present invention. detailed description
  • the network border entity located in the MS network or the SIP network obtains the network connection information corresponding to the message, and adds the obtained network connection information to the SIP message sent to the network. So that the internal network device can obtain the network connection information from the SIP message, according to the network Network connection information for service triggering, number analysis, routing control, billing processing, or providing differentiated services.
  • the network boundary entity referred to in the embodiment of the present invention is a network entity deployed at a boundary of a SIP network domain or an MS network domain, or a network entity deployed at an interworking boundary of an operator network.
  • the network boundary entity can be
  • the SIP proxy entity, the user proxy entity UA or the back-to-back user proxy entity B2BUA, in the MS network, the network border entity may be an interconnection border control function entity IBCF, an interworking function entity IWF, a media gateway control function entity MGCF, a query-call session control Functional entity I-CSCF or proxy-call session control function entity P_CSCF.
  • the network border entity in the embodiment of the present invention may obtain the network connection information corresponding to the message by using one or any combination of the following methods:
  • the protocol type information and the interface information can be obtained;
  • network information may be obtained;
  • the network border entity obtains network connection information by querying the network element outside the network
  • the network information includes the network type of the peer end (for example: public switched telephone network PSTN, universal land mobile network PLMN, universal mobile communication system UMTS, softswitch network SoftSwitch, SIP network, H.323 network, enterprise access network, fixed access network , mobile access network, etc.), network identity, network level, geographic information of the network, carrier information corresponding to the network, etc.;
  • the network type of the peer end for example: public switched telephone network PSTN, universal land mobile network PLMN, universal mobile communication system UMTS, softswitch network SoftSwitch, SIP network, H.323 network, enterprise access network, fixed access network , mobile access network, etc.
  • network identity for example: public switched telephone network PSTN, universal land mobile network PLMN, universal mobile communication system UMTS, softswitch network SoftSwitch, SIP network, H.323 network, enterprise access network, fixed access network , mobile access network, etc.
  • network identity for example: public switched telephone network PSTN, universal land mobile network PLMN,
  • Protocol type information includes 3GPP SIP, IETF SIP, H.323, BICC, ISUP, etc.
  • the interface information includes protocol interfaces such as Mw, Ib, Iw, and Gm.
  • the signaling link information includes the protocol type of the transport layer (such as UDP, TCP, SCTP, TLS protocol, etc.), transport layer connection information (for example: port number, link number, etc.), and the protocol type of the network layer (for example: IP protocol) ), the network layer address information (for example: IP address), the data link layer information (for example: virtual local area network identification information), if the static link used, the corresponding link number, etc.;
  • the boundary network element information includes types of border network elements, such as P-CSCF, IBCF, MGCF, etc., the IP address of the border network element, and the location information of the boundary network element.
  • the network border entity can obtain the corresponding network connection information according to the service requirement, and add the obtained network connection information to the SIP message sent to the internal network.
  • the method for carrying the network connection information in the SIP message includes: adding a SIP header field or inserting a parameter in a SIP header field. If other network connection information already exists in the SIP message received by the network border entity, the network border entity may overwrite the existing network connection information by using the new network connection information, or add the new network connection information to the already-ordered order. The front of the existing network connection information.
  • the service entity inside the network can identify the source of the message according to the network connection information in the SIP message, perform service triggering, number analysis, routing control, charging processing, or provide differentiated services.
  • the network border entity sends the SIP message received from the network to the outside of the network, check the network connection information in the sent SIP message, and delete all or part of the sensitive content of the network connection information by using one of the following methods:
  • FIG. 3 is a flowchart of an embodiment of a method for acquiring network connection information according to an embodiment of the present invention, where the method is applied to an IMS network. As shown in Figure 3, the method includes the following processes:
  • the network border entity P-CSCF receives the session request of the enterprise network user, and obtains corresponding network connection information according to the received session request information and local configuration information, where the network connection information includes enterprise network information, and the network connection is Information is added to the header field P-Network-Connection-Info of the SIP message extension;
  • P-CSCF sends a SIP message with network connection information to the MS network internal entity S-CSCF;
  • the S-CSCF After receiving the SIP message, the S-CSCF triggers the user session to be processed on the Centrex application server corresponding to the enterprise network service according to the network connection information that is included in the SIP message and the network connection information that the user subscribes to;
  • the 534 Centrex application server receives the session request, processes the related session service, and then forwards the request to the S-CSCF;
  • the 535 S-CSCF After receiving the request, the 535 S-CSCF performs called number analysis and routing according to the network connection information, and routes the session to the selected BGCF.
  • FIG. 4 is a flowchart of another embodiment of a method for acquiring network connection information according to the present invention. As shown in FIG. 4, the method is applied to an IMS network, and the method includes the following processes:
  • the MGCF receives the call request message established from the PSTN through the ISUP protocol, and obtains the network connection information according to the received message and the local configuration information, and the network connection information includes the network type.
  • PSTN PSTN information
  • protocol type ISUP
  • MGCF routes the SIP request message to the I-CSCF
  • the I-CSCF After receiving the SIP request message, the I-CSCF queries the HSS, obtains the S-CSCF registered by the called user, and routes the SIP request message to the corresponding S-CSCF; After receiving the SIP request message, the 544 S-CSCF triggers the SIP request message to be processed on the PES (PSTN emulation service) application server according to the network type (PSTN) information in the network connection information.
  • PES PSTN emulation service
  • the 545 PES application server receives the session request, and learns from the SIP message that the user is the call port 4 from the PSTN network, analyzes the call source according to the calling party's network type (PSTN), performs the corresponding service, and implements the corresponding charging policy. .
  • PSTN calling party's network type
  • FIG. 5 is a flowchart of another embodiment of a method for acquiring network connection information according to the present invention. The method is applied to an MS network. As shown in FIG. 5, the method includes the following processes:
  • S-CSCF receives the session request message
  • PSS AS receives the session request, processes the session service, and continues to forward the session request to the S-CSCF;
  • S-CSCF receives the session request, and continues to forward the session request to the network border entity IBCF;
  • the 555 network border entity IBCF receives the session request, checks the existing P-Network-Connection-Info header field information in the message, determines that the called network is an untrusted network, deletes the sensitive information contained therein, and then sends the session request to the Called the network side;
  • network border entity IBCF receives the session response message returned by the called network
  • the network border entity IBCF obtains network connection information according to the received session response message (eg, message source address, routing information, etc.) and local configuration information, where the network connection information includes the protocol type of the called network, and The network connection information is added to the P-Network-Connection-Info header field of the extended response message. If the network connection information already exists in the message, the new network connection information is added in front of the existing network connection information.
  • the response message is sent to the S-CSCF;
  • the S-CSCF routes the response message to the PSS AS application server, and the PSS AS application server according to the protocol type of the called network (3GPP SIP, IETF SIP, H.323, BICC, ISUP, etc.) in the network connection information in the message, Implement different charging strategies;
  • FIG. 6 is a flow chart of another embodiment of a method for acquiring network connection information according to the present invention. As shown in Figure 6, the method includes the following processes:
  • the S61 IWF receives the call setup request message from the H.323 network, obtains the network connection information according to the received call setup request message and the local configuration information of the H.323 protocol, and adds the network connection information to the SIP message header field.
  • 562 IWF sends the request message to the IBCF;
  • IBCF receives the session request message, and forwards the message to the I-CSCF;
  • the I-CSCF receives the session request message of the IBCF, queries the HSS to obtain the S-CSCF registered by the called user, and forwards the session request to the corresponding S-CSCF for processing;
  • the S65 S-CSCF receives the session request, and triggers the session to the application server according to the filtering rule in the subscription data of the user;
  • the S66 application server receives the session request, and according to the network connection information in the SIP message, corresponds to the internal call source, and performs service processing such as call filtering and called number analysis according to the call source.
  • FIG. 7 is a schematic structural diagram of a network boundary entity in an embodiment of the present invention.
  • the network border entity includes: an information receiving unit, configured to receive a message sent outside the network;
  • a network connection information acquiring unit configured to obtain corresponding network connection information according to the message received by the information receiving unit
  • a message processing unit configured to add part or all of the network connection information obtained by the network connection information acquiring unit to the message sent to the internal;
  • a sending unit configured to send a message processed by the message processing unit to the inside of the network.
  • the network border entity is applied to an MS network or a SIP network, and the network border entity may be a SIP proxy entity, a user proxy entity or a back-to-back user proxy entity in a SIP network, or an interconnection boundary control function entity in a top s network , an interworking function entity, a media gateway control function entity, a query-call session control function entity or a proxy-call session control function entity.
  • the message processing unit is configured to add part or all of the network connection information obtained by the network connection information acquiring unit to the SIP message sent to the internal. For the specific method, refer to the method embodiment.
  • the network border entity may further store a unit for storing local configuration information of the network border entity and the external network, including interface type information, network type information, signaling link information, and the like.
  • the network connection information acquiring unit may further obtain corresponding network connection information by using any one of the following methods: interacting with the storage unit to obtain corresponding network connection information; and sending the query instruction to the storage unit, the storage unit returns according to the query instruction Corresponding network connection information; obtain corresponding network connection information directly in the storage unit. It can be seen that the network connection information obtaining unit can obtain the network connection information corresponding to the message according to the received message and/or the local configuration information of the network boundary entity and the external network connection stored in the storage unit.
  • the network border entity may further delete the unit, and delete the network connection information in the SIP message sent by the network.
  • the specific deletion method refer to the method embodiment.
  • the network border entity when the network border entity receives a message outside the network, the network corresponding to the message is obtained. Connect the network connection information, and add the obtained network connection information to the message sent to the internal network, so that the service providing entity inside the network can obtain the network connection information of the message source, thereby performing service triggering, number analysis, and number analysis according to the network connection information. Routing control, billing processing, or providing differentiated services enable the MS network or SIP network to provide more services, making the service implementation more reasonable. All or part of the technical solutions provided by the above embodiments may be implemented by software programming, and the software programs thereof are stored in a readable storage medium such as a hard disk, an optical disk or a floppy disk in a computer.

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

Abstract

La présente invention se rapporte à un procédé permettant d'obtenir des informations de connexion à un réseau, et à une entité de limite de réseau, applicables à un réseau IMS ou à un réseau SIP. Le procédé comprend les étapes suivantes : une entité de limite de réseau reçoit un message provenant de l'extérieur du réseau et obtient des informations de connexion à un réseau correspondantes ; l'entité de limite de réseau ajoute tout ou partie des informations de connexion à un réseau dans le message envoyé sur le réseau, et elle envoie le message sur le réseau ; lorsque le module interne de réseau reçoit le message, il traite des services conformément aux informations de connexion à un réseau contenues dans le message. L'entité de limite de réseau comprend un module de réception d'informations, un module d'obtention d'informations de connexion à un réseau, un module de traitement de message, et un module d'envoi. Le module de service interne traite des services concernés conformément aux informations de connexion à un réseau contenues dans le message.
PCT/CN2008/070937 2007-05-28 2008-05-12 Procédé permettant d'obtenir des informations de connexion à un réseau, et entité de limite de réseau WO2008145044A1 (fr)

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CN200710074593.6 2007-05-28
CN200710074593.6A CN101098242B (zh) 2007-05-28 2007-05-28 一种网络连接信息的获取方法以及网络边界实体

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CN102655613A (zh) * 2011-03-02 2012-09-05 中兴通讯股份有限公司 业务触发方法及装置
CN105306758B (zh) * 2014-07-29 2019-05-10 中国电信股份有限公司 一种建立呼叫时企业网络标识的传送方法、ibcf及ims
CN105634970B (zh) * 2014-11-06 2019-06-11 中国移动通信集团公司 一种流量核减方法、设备及系统
CN104363149B (zh) * 2014-12-08 2017-12-29 上海市共进通信技术有限公司 基于sip协议实现voip网络状态监测的系统及方法

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WO2006125474A1 (fr) * 2005-05-27 2006-11-30 Telefonaktiebolaget Lm Ericsson (Publ) Transfert d'appel dans un sous-systeme multimedia ip (ims)
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WO2006125474A1 (fr) * 2005-05-27 2006-11-30 Telefonaktiebolaget Lm Ericsson (Publ) Transfert d'appel dans un sous-systeme multimedia ip (ims)
CN1882172A (zh) * 2005-07-29 2006-12-20 华为技术有限公司 一种ip多媒体终端和系统中用户注册及会话接续的方法
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