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IMS作为下一代网络核心方案,已经在运营商层面开始大范围部署。相较于之前的固网软交换和移动软交换而言,新的网络架构中网元的种类和数量都发生了巨大的变化。由于在IMS网络中主要应用到SIP消息,网元之间SIP消息的路由就成了我们关心的一个关键问题。详细介绍了IMS网络中的SIP路由。
As the core solution of next-generation network, IMS has begun to deploy in a large scale at the operator level. Compared with the previous fixed-line softswitch and mobile softswitch, the new network architecture, the type and number of network elements have undergone tremendous changes. Due to the main application of SIP messages in the IMS network, the routing of SIP messages between network elements has become a key issue that we are concerned about. Described in detail in the IMS network SIP routing.