在移动IP和RSVP相互集成的方案中,为减少RSVP路径切换延迟,降低端端路径代价,公共路由器的选择是一个关键.提出了一个适应的公共路由器选择算法(adaptive common router selectionalgorithm,ACRS),在满足应用连接QoS(quality of service...
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在移动IP和RSVP相互集成的方案中,为减少RSVP路径切换延迟,降低端端路径代价,公共路由器的选择是一个关键.提出了一个适应的公共路由器选择算法(adaptive common router selectionalgorithm,ACRS),在满足应用连接QoS(quality of service)需求的前提下,利用控制参数λ在RSVP路径切换延迟和端端路径代价之间取得平衡.通过与其他相关RSVP路径切换方案的性能比较,结果表明ACRS可以支持适应的、快速的RSVP路径切换.
We investigate the approximating capability of Markov modulated Poisson processes (MMPP) for modeling multifractal Internet traffic. The choice of MMPP is motivated by its ability to capture the variability and correl...
详细信息
We investigate the approximating capability of Markov modulated Poisson processes (MMPP) for modeling multifractal Internet traffic. The choice of MMPP is motivated by its ability to capture the variability and correlation in moderate time scales while being analytically tractable. Important statistics of traffic burstiness are described and a customized moment-based fitting procedure of MMPP to traffic traces is presented. Our methodology of doing this is to examine whether the MMPP can be used to predict the performance of a queue to which MMPP sample paths and measured traffic traces are fed for comparison respectively, in addition to the goodness-of-fit test of MMPP. Numerical results and simulations show that the fitted MMPP can approximate multifractal traffic quite well, i.e. accurately predict the queueing performance.
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