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SIP MOBILITY SUPPORT USING SIP MOBILITY AGENT IN ALL-IP NETWORKS

机译:在All-IP网络中使用SIP移动代理支持SIP移动性

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摘要

As the number of wireless subscribers rapidly increases the requirements for guaranteeing the quality of services anytime, anywhere, and by any-media are increased. These services require various networks such as CDMA2000, WLAN, and Bluetooth to be integrated into IP-based networks. Session Initiation Protocol is an application-layer protocol used for establishing and tearing down multimedia sessions, both unicast and multicast. SIP supports personal mobility, i.e., a user can be found independent of location and network device but it cannot support IP mobility. Also, when mobile host moves to other network, packet loss is occurred. In this paper, we propose a network architecture which includes an agent module called SIP mobility agent at end-point router. SIP mobility agent supports mobility both UDP and TCP connections, and reduces location registration time during handoff. SIP mobility agent also helps for maintaining of quality of service in heterogeneous network environments by offering network information.
机译:随着无线用户数量的迅速增加,对随时随地以任何媒体保证服务质量的要求也随之增加。这些服务需要将诸如CDMA2000,WLAN和蓝牙之类的各种网络集成到基于IP的网络中。会话发起协议是一种应用层协议,用于建立和拆除单播和多播多媒体会话。 SIP支持个人移动性,即可以找到独立于位置和网络设备的用户,但它不支持IP移动性。另外,当移动主机移动到其他网络时,也会发生数据包丢失。在本文中,我们提出了一种网络体系结构,该网络体系结构包括在端点路由器处称为SIP移动代理的代理模块。 SIP移动代理支持UDP和TCP连接的移动性,并减少了切换过程中的位置注册时间。 SIP移动代理还通过提供网络信息来帮助维护异构网络环境中的服务质量。

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