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中媒体流量的分布式优化机制

DOI: 10.13190/jbupt.201004.69.liuhp, PP. 69-73

Keywords: IP多媒体子系统,push,to,talk,over,cellular,媒体流量优化,分布式控制,松耦合

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Abstract:

为了对IP多媒体子系统平台的pushtotalkovercellular(PoC)4接口realtimetransportprotocol媒体流量进行优化,对openmobilealliance提出的媒体流传输机制及其优化机制进行了分析,并提出了改进的优化机制.新机制通过增强participatingserver侧控制功能并引入松耦合及分布式控制的思想,减少了PoC4接口的数据流量,降低了数据在发送队列中的平均等待时延,节省了网络带宽.仿真结果表明,改进的优化机制较原优化机制具有更好的优化效果.

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