基于SIP的分布式软交换系统设计与实现

Distributed Soft- switch System Based on SIP and Its Design and Implementation

随着基于SIP软交换技术的迅速发展,采用集中SIP的软交换系统逐渐不能满足大用户量及复杂业务灵活部署等需求。针对软交换技术的发展趋势并结合SIP协议特点,提出基于SIP协议的分布式软交换系统,从软交换系统设计与实现分析该系统如何解决目前软交换系统面临的扩展性、稳定性等问题。提出了服务器间静态路由算法SSR(Static Routing Algorithm of Server)和服务器间动态路由算法DSR(Dynamic Routing Algorithm of Server)方便新业务在系统内灵活部署,提高了系统对新业务部署的支撑能力。

With the rapid development of soft -switch technology based SIP, the complexity of network deployment and other needs can not be satisfied by using centralized SIP soft - switch system. In this paper, a distributed soft - switch system based on SIP protocol is proposed according the soft - switch development trend and SIP features. The system is attempted to solve the current soft - switch system that faces sealability, stability and so on in system design and realization of the system. The proposed SSR （ Static Routing Algorithm of Server） algorithm and DSR （ Dynamic Routing Algorithm of Server） algo- rithm are easier to facilitate the flexible deployment of new services within the system, in other words, they improve the sys- tem~ ability to support the application of new services.