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首页> 外文会议>International Conference on Computational Science - ICCS 2003 Pt.3 Jun 2-4, 2003 Melbourne, Australia and St. Petersburg, Russia >A Performance Evaluation on Qos-Supporting Multicast Protocol over Conventional Multicast Protocol
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A Performance Evaluation on Qos-Supporting Multicast Protocol over Conventional Multicast Protocol

机译：常规组播协议上支持Qos的组播协议的性能评估

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摘要

Recently there have been many requirements for reliability from the multicast communication services that have peer-to-multiple or multiple-to-multiple connecting ability unlike the previous peer-to-peer communications. Multicast protocols include the distance vector multicast routing protocol (DVMRP), multicast extension to open shortest path first (MOSPF), core based tree (CBT) and protocol independent multicast (PIM) structures. These protocols use their own local distance algorithms to utilize characteristics of network packets as routing costs in transferring data. However, multimedia applications require more efficient multicast protocols as well as broadband network connection, real-time transmission. To the requirement, the quality of service sensitive multicast Internet protocol (QosMIC) is urged to be used in Internet. The QosMIC supports several quality of service (Qos) properties: reliability, efficient resource management and flexibility of multicast networks. The QosMIC is in distinction from the existing protocols in that the QosMIC presents data in advance. This paper analyzes the QosMIC and CBT by using objective and practical bandwidths in transferring data packets, and measures their performances on a simulation to test such bandwidths.
机译：近来，与先前的对等通信不同，具有对等或多对多连接能力的多播通信服务对可靠性提出了许多要求。组播协议包括距离矢量组播路由协议（DVMRP），开放式最短路径优先的组播扩展（MOSPF），基于核心的树（CBT）和协议无关的组播（PIM）结构。这些协议使用它们自己的本地距离算法来利用网络数据包的特性作为传输数据时的路由成本。但是，多媒体应用程序需要更有效的多播协议以及宽带网络连接，实时传输。为了满足这一要求，强烈建议在Internet中使用服务质量敏感的多播Internet协议（QosMIC）。 QosMIC支持几种服务质量（Qos）属性：可靠性，有效的资源管理和多播网络的灵活性。 QosMIC与现有协议的区别在于QosMIC可以预先显示数据。本文通过在传输数据包时使用客观和实际的带宽来分析QosMIC和CBT，并在仿真中测量它们的性能以测试这种带宽。

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