IMS核心网总体技术方案.doc
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1、-CNGI通用业务平台项目组版本号:1.0.0 IMS核心网总体技术方案目 录1范围62引用标准63相关术语与缩略语解释74UseCase描述94.1UC-IMS-001:终端接入IMS网络94.2UC-IMS-002:IMS网络触发业务到AS104.3UC-IMS-003:IMS网络和其他网络互通125系统高层需求136系统低层需求147方案综述167.1IMS多种接入解决方案167.2IMS业务开放解决方案197.3IMS网络互通解决方案237.4IMS QoS解决方案277.5IMS安全解决方案318IMS逻辑组网图378.1IMS组网图378.2IMS组网说明379IMS主要的业务流程
2、389.1IMS AKA鉴权流程389.2Early IMS鉴权流程419.3HTTP Degest鉴权流程449.4IMS用户基本会话MO流程469.5IMS用户基本会话S-S流程509.6IMS用户基本会话MT流程539.7IMS用户发起释放流程569.8UE订阅注册状态流程589.9IMS业务触发流程599.10IMS和3G R4网络互通流程609.11PSTN和IMS互通流程6410网元6610.1CSCF功能需求6610.2MRFC功能需求7010.3MRFP功能需求7010.4BGCF功能需求7110.5HSS功能需求7110.6SLF功能需求7310.7MGCF功能需求7310.
3、8IM-MGW功能需求7310.9PDF功能需求7411参考点7411.1IMS网络内外部接口概貌7411.2Cx接口:7511.3Gm接口:7511.4Mn接口:7511.5Mg接口:7611.6Mr接口:7611.7Mp接口:7611.8Mw接口:7611.9Go接口:7611.10Gq接口:7711.11Mi接口:7711.12Mj接口:7711.13Mk接口:7711.14Dx接口:7711.15ISC接口:7811.16Sh接口:7811.17Si接口:7811.18Ut接口:7811.19Dh接口:7811.20Rf接口:7812公共的接口格式定义7913研究课题7913.1基于I
4、MS的移动和固定融合7913.2IMS的IPV6组网8213.3IMS计费9414编制历史108前 言1 范围本方案描述了CNGI通用业务平台项目中IMS核心网部分的主要网元、功能、接口、流程等方面,并对相关的课题进行研究。2 引用标准本方案引用下列标准所包含的条文。对于3GPP标准基于2005年3月的版本,同时本方案尽可能使用所有标准最新版本。13GPP TR 21.905: Vocabulary for 3GPP Specifications23GPP TS 23.002: Network architecture.33GPP TS 23.003: Numbering, addressin
5、g and identification.43GPP TS 23.107: Quality of Service (QoS) concept and architecture.53GPP TS 23.218: IP Multimedia (IM) Session Handling; IM call model.63GPP TS 23.221: Architectural requirements.73GPP TS 23.228: IP multimedia subsystem; Stage 2.83GPP TS 24.229: IP multimedia call control protoc
6、ol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP);Stage 3.93GPP TS 29.162: Interworking between the IM CN subsystem and IP networks.103GPP TS 29.207: Policy control over Go interface.113GPP TS 29.208: End to end Quality of Service (QoS) signalling flows.123GPP TS 2
7、9.209: Policy control over Gq interface.133GPP TS 29.228: IP Multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and message contents.143GPP TS 29.229: Cx and Dx Interfaces based on the Diameter protocol, Protocol details.153GPP TS 32.240: Telecommunication management; Charging manageme
8、nt; Charging architecture and principles.163GPP TS 32.260: Telecommunication management; Charging management; IP Multimedia Subsystem (IMS) charging.173GPP TS 33.102: 3G Security; Security architecture.183GPP TS 33.203: Access security for IP based services.19RFC 2401 (November 1998): Security Archi
9、tecture for the Internet Protocol.20RFC 2403 (November 1998) The Use of HMAC-MD5-96 within ESP and AH.21RFC 2404 (November 1998) The Use of HMAC-SHA-1-96 within ESP and AH.22RFC 2462 (November 1998): IPv6 Address Autoconfiguration.23RFC 2617 (June 1999): HTTP Authentication: Basic and Digest Access
10、Authentication.24RFC 2806 (April 2000): URLs for Telephone Calls.25RFC 2833 (May 2000): RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals.26RFC 2916 (September 2000): E.164 number and DNS.27RFC 2976 (October 2000): The SIP INFO method.28RFC 3041 (January 2001): Privacy Extensions fo
11、r Stateless Address Autoconfiguration in IPv6.29RFC 3261 (June 2002): SIP: Session Initiation Protocol.30RFC 3262 (June 2002): Reliability of provisional responses in Session Initiation Protocol (SIP).31RFC 3265 (June 2002): Session Initiation Protocol (SIP) Specific Event Notification.32RFC 3311 (S
12、eptember 2002): The Session Initiation Protocol (SIP) UPDATE method.33RFC 3312 (October 2002): Integration of resource management and Session Initiation Protocol (SIP).34RFC 3313 (January 2003): Private Session Initiation Protocol (SIP) Extensions for Media Authorization.35RFC 3320 (March 2002): Sig
13、naling Compression (SigComp).36RFC 3323 (November 2002): A Privacy Mechanism for the Session Initiation Protocol (SIP).37RFC 3325 (November 2002): Private Extensions to the Session Initiation Protocol (SIP) for Network Asserted Identity within Trusted Networks.38RFC 3608 (October 2003): Session Init
14、iation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration.39draft-ietf-mmusic-sdp-new-13 (May 2003): SDP: Session Description Protocol.40RFC 3315 (July 2003): Dynamic Host Configuration Protocol for IPv6 (DHCPv6).41RFC 3319 (July 2003): Dynamic Host Configuration P
15、rotocol (DHCPv6) Options for Session Initiation Protocol (SIP) Servers.42RFC 3485 (February 2003): The Session Initiation Protocol (SIP) and Session Description Protocol (SDP) static dictionary for Signaling Compression (SigComp).43RFC 3680 (March 2004): A Session Initiation Protocol (SIP) Event Pac
16、kage for Registrations.44RFC 3428 (December 2002): Session Initiation Protocol (SIP) Extension for Instant Messaging.3 相关术语与缩略语解释缩略语英文中文ASApplication Server应用服务器B2BUABack-to-Back User Agent背靠背用户代理BGCFBreakout Gateway Control Function出口网关控制功能CCFCharging Collection Function计费收集功能CDRCharging Data Recor
17、d计费数据记录CNCore Network核心网CSCircuit Switched电路交换CSCFCall Session Control Function 呼叫会话控制功能DHCPDynamic Host Configuration Protocol动态主机配置协议DNSDomain Name System域名系统ECFEvent Charging Function事件计费功能FQDNFully Qualified Domain Name全资格域名GGSNGateway GPRS Support Node网关GPRS支持节点GPRSGeneral Packet Radio Service通
18、用分组无线业务HSSHome Subscriber Server归属用户服务器I-CSCFInterrogating-CSCF查询-CSCFICIDIM CN subsystem Charging IdentifierIMS计费标识IMIP MultimediaIP多媒体IMSIP Multimedia Core Network SubsystemIP多媒体网络子系统IMS-ALGIMS Application Level GatewayIMS应用层网关IMSIInternational Mobile Subscriber Identifier国际移动用户标识IP-CANIP-Connecti
19、vity Access NetworkIP-连通性接入网络IPSecIP securityIP安全ISCIP multimedia Subsystem Service ControlIMS业务控制ISIMIMS SIMIMS 用户标识模块MGCFMedia Gateway Control Function媒体网关控制功能MGWMedia Gateway媒体网关MRFCMultimedia Resource Function Controller多媒体资源功能控制器MRFPMultimedia Resource Function Processor多媒体资源功能处理器PDPPacket Data
20、 Protocol分组数据协议PLMNPublic Land Mobile Network公用陆地移动(通信)网PSTNPublic Switched Telephone Network公共交换电话网NAINetwork Access Identifier网络接入标识P-CSCFProxy CSCF代理CSCFPDUProtocol Data Unit协议数据单元PSIPublic Service Identity公共业务标识RTCPReal-time Transport Control Protocol实时传输控制协议RTPReal-time Transport Protocol实时传输协议
21、S-CSCFServing-CSCF服务-SCSCFSDPSession Description Protocol会话描述协议SIPSession Initiation Protocol会话发起协议SLFSubscription Locator Function签约定位功能UAUser Agent用户代理UACUser Agent Client用户代理客户端UASUser Agent Server用户代理服务器UEUser Equipment用户设备URIUniform Resource Identifier统一资源标识URLUniform Resource Locator统一资源定位USIM
22、Universal Subscriber Identity Module通用用户标识模块XMLExtensible Markup Language扩展标记语言4 UseCase描述4.1 UC-IMS-001:终端接入IMS网络4.1.1 描述本用例描述终端接入到IMS网络的场景。4.1.2 角色角色:终端:支持SIP协议各种终端,包括移动终端、固定终端、IAD等。4.1.3 前置条件考虑到SIP协议版本以及各种扩展,SIP终端具有多样性,各种终端互通复杂。本方案为了简化互通的复杂性,非特别指出的情况下,指的是符合3GPP相关标准的IMS终端。4.1.4 后置条件无4.1.5 流程描述图1 I
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