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End-to-End QoS for Differentiated Services and ATM Internetworking

机译:差异化服务和ATM互联网络的端到端QoS

摘要

The Internet was initially design for non real-time data communications and hence does not provide any Quality of Service (QoS). The next generation Internet will be characterized by high speed and QoS guarantee. The aim of this paper is to develop a prioritized early packet discard (PEPD) scheme for ATM switches to provide service differentiation and QoS guarantee to end applications running over next generation Internet. The proposed PEPD scheme differs from previous schemes by taking into account the priority of packets generated from different application. We develop a Markov chain model for the proposed scheme and verify the model with simulation. Numerical results show that the results from the model and computer simulation are in close agreement. Our PEPD scheme provides service differentiation to the end-to-end applications.
机译:互联网最初是为非实时数据通信而设计的,因此不提供任何服务质量(QoS)。下一代互联网将以高速和QoS保证为特征。本文的目的是为ATM交换机开发一种优先的早期分组丢弃(PEPD)方案,以便为运行在下一代Internet上的终端应用程序提供服务差异化和QoS保证。通过考虑从不同应用程序生成的数据包的优先级,提出的PEPD方案与以前的方案不同。我们为提出的方案开发了马尔可夫链模型,并通过仿真验证了模型。数值结果表明,模型结果与计算机仿真结果吻合良好。我们的PEPD方案可为端到端应用程序提供服务差异化。

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