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Based on Stochastic Process Algebra Overlay Network QoS Performance Evaluation
Author(s): 
Pages: 129-133
Year: Issue:  S1
Journal: Journal of Beijing University of Posts and Telecommunications

Keyword:  随机进程代数 Overlay 服务质量;
Abstract: 论述了对Overlay网络中组播的服务质量进行量化评价的必要性,引入了组播树二度同胚约简的概念,推广了Bowman评价单播数据流服务质量的随机进程代数方法,提出用随机进程代数对Overlay网络中组播的服务质量进行评价的建模方案,并用PEPA workbench模拟工具针对具体的组播实例的服务质量进行了定量分析.模拟结果表明,传统网络中的IP组播抖动小于Overlay网络中的组播抖动;而后者又进一步小于在传统网络中用单播技术来实现组播时的抖动,与实际情况吻合.
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