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首页> 外文期刊>International Journal of Interactive Communication Systems and Technologies >Scalability and Performance Analysis of SIP based Multimedia Services over Mission Critical Communication Systems
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Scalability and Performance Analysis of SIP based Multimedia Services over Mission Critical Communication Systems

机译：关键任务通信系统上基于SIP的多媒体服务的可扩展性和性能分析

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摘要

Various studies have suggested enhancing the performance of large-scale systems, such as mission critical communication systems (MCCSs). However, few have modelled and evaluated the performance of such systems in a way that targets overall system performance in real time. Moreover, it is not enough to define the Key Performance Indicators (KPIs) for a system without using them for system performance measurement and performance evaluation. The Session Initiation Protocol (SIP) and IP Multimedia Subsystem (IMS) both have a set of KPIs, such as the registration process delay, that can be used to measure and thus optimize overall system performance. This article articulates different options for system simulation and evaluation. The registration process affects performance and reflects the overall system performance. The article shows how the registration process is delayed and how the overall system scalability are negatively impacted by system overload.
机译：各种研究建议提高大型系统的性能，例如任务关键型通信系统（MCCS）。但是，很少有人以实时针对整体系统性能的方式对此类系统的性能进行建模和评估。此外，仅为系统定义关键绩效指标（KPI）而不将其用于系统绩效评估和性能评估是不够的。会话发起协议（SIP）和IP多媒体子系统（IMS）都有一组KPI，例如注册过程延迟，可用于衡量并优化整体系统性能。本文阐述了系统仿真和评估的不同选项。注册过程会影响性能并反映整个系统的性能。本文介绍了注册过程如何延迟以及系统过载如何对整个系统的可伸缩性产生负面影响。

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