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1、CPE广域网管理协议的研究与实现摘要VoIP语音技术作为一种日趋流行的通讯方式,在过去的数年中得到了蓬勃的发展。CPE广域网管理协议作为一种先进的被动式管理模型,能够更好解决网络接入供商和网络服务提供商分离的接入网模型,实现VoIP语音业务的快速下发,自动配置和软固件升级。该协议能够弥补当前国内使用的SNMP协议只适宜于目前国内网络接入和网络服务由同一家供应商提供的环境的缺陷。本文在调研了目前国内外自动配置实现方法后,研究和分析了CPE广域网管理协议的实现。将在DSLForum提出的TR046终端配置管理框架基础上,实现TR069配置模块在VoIP网关设备的设计与
2、实现,解决了地理上分散的终端设备的集中和自动配置。本文详细介绍了VoIP终端设备的软硬件结构,以及在实现过程中将涉及到XML,SOAP,RPC等软件开发关键技术。并针对自动配置会话过程中的安全性提出了基于SSL的TR069系统安全方案。经过验证,该设计能够快速正确的完成大量VoIP终端设备的配置。关键词:VoIP网关设备,TR069协议,自动配置(Auto-configuration),远程方法调用(RPC),可扩展性标识语言(XML),简单对象访问协议(SOAP),SSL安全分层模型TheImplementationandResearchofCPEWANManag
3、ementProtocolABSTRACTAsapopularmeansofcommunication,VoIPtechnologyhasbeenvigorousdevelopedinthepastfewyears.Asanadvancedpassivemanagementmodel,CPEWANnetworkmanagementprotocolcanbetterresolvethenetworkmodelsthatInternetaccessprovidersandnetworkserviceprovidersfortheseparationofaccess,to
4、achieveVoIPvoiceservicesdispatchfast,automaticconfigurationandsoftware/firmwareupgrade.ThisprotocolcanfixthebugthatthecurrentSNMPprotocolonlydealswiththenetconnectionandservicesupportedbythesameserviceprovider.ThispaperresearchandanalysistheimplementationofCPEWANnetworkmanagementprotoc
5、ol,afterstudyingtheauto-configurationmethodsathomeandabroad.WewillachievethedesignandimplementationofTR069moduleinVoIPgatewaydevice,basedonTR046terminalconfigurationmanagementframework.ThispaperdescribeshardwareandsoftwarestructureofVoIPterminalequipment,aswellasthesoftwaredevelopmentk
6、eytechnologiessuchasXML,SOAP,andRPCmethodsintheimplementationprocess.AndtheauthorsuggestsaTR069systemsecuresolutionbasedonSSLforthesecurityofAuto-configurationsession.Afterverification,thisdesigncanconfigurealargenumberofVoIPterminalequipmentquicklyandcorrectly.KEYWORDS:VOIPgatewaydevi
7、ce,TR069Protocol,Auto-configuration,RemoteProcedureCall(RPC),ExtensibleMarkupLanguage(XML),SimpleObjectAccessProtocol(SOAP),SSLsecuremodel目录1绪论..............................................................61.1课题的研究背景和来源································································