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EFFICIENT SCHEDULING FOR REDUCING LOAD IN THE IMS PRESENCE SERVICE

机译：减少IMS存在服务中的负载的有效计划

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Presence is one of the basic services which is likely to become omnipresent in IMS (IP Multimedia Subsystem). In this research, we propose a weighted class based queuing (WCBQ) mechanism to provide class differentiation and to reduce the load in the IMS presence server. The tasks of admission controller for the Presence Server (PS) are demonstrated. An optimized dropping time frame has been developed based on Langrange multiplier technique. If the dropping rate of the low prioritized and heavily weighted pre-existing messages is kept at a tolerable rate, then PS benefits significantly from the scheduling algorithm. Various simulation results have been shown that provides useful insight into the system behaviour during heavy traffic.
机译：存在是可能在IMS（IP多媒体子系统）中变得无所不在的基本服务之一。在这项研究中，我们提出了一种基于加权类的排队（WCBQ）机制，以提供类区分并减少IMS存在服务器中的负载。演示了状态服务器（PS）的准入控制器的任务。基于Langrange乘数技术，开发了一种优化的丢弃时间框架。如果低优先级和加权很重的现有消息的丢弃率保持在可容忍的速率，则PS将从调度算法中显着受益。已经显示了各种仿真结果，这些信息可为深入了解交通繁忙期间的系统行为提供有用的见解。

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