A UDP-Based State-Sharing Mechanism of SIP Transaction Stateful Proxy
Xiaomin Zhu · Dianzi xuebao · 2006
Current IMS(IP multimedia subsystem) fault-tolerant systems only implemented state-sharing mechanism of SIP call stateful proxy.We proposed and implemented a UDP-based state-sharing mechanism of SIP transaction stateful proxy.Based on heavy stress testing,experimental reliability figure is shown.By mathematical analysis and derivation,we proved the proposed relationship equation of T_(out) and reliability R.Experiments showed that the results of the theoretical analysis can reflect the real performance of the system,and the theoretical and practical T_(out) breakpoint value is consistent.