Design Guidelines for an Internet-Scaled QoS Framework

A. Sorniotti, G. Corliano, Alan Smith
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引用次数: 2

Abstract

Adding quality of service support to the best-effort Internet is something that has been suggested and researched for a long time now. While individual networks are starting to offer QoS, it remains as elusive as ever for the Internet as a whole. A number of different QoS solutions are being deployed within networks leading to a highly heterogeneous Internet. On the other hand, there are a number of proposed standards that try to solve such great heterogeneity with fully-tailored architectures. The thesis of this paper is that heterogeneity should not be fought; instead, tussles will eventually arise among different approaches and these should be the vector towards evolution and hence must be allowed as part of the design. Each domain should be free to make its own internal choices on how to deliver QoS, while presenting a common interface. The problem then becomes the coordination of the decisions of different domains. The design of such a framework presents several key choices, which will be investigated
互联网规模QoS框架的设计指南
向最努力的Internet添加服务质量支持是一项已经被建议和研究了很长时间的工作。虽然个别网络开始提供QoS,但对于整个互联网来说,它仍然像以往一样难以捉摸。许多不同的QoS解决方案正在网络中部署,从而形成高度异构的Internet。另一方面,有许多被提议的标准试图用完全定制的体系结构来解决这种巨大的异构性。本文的论点是,不应反对异质性;相反,不同的方法之间最终会产生争执,这些应该是进化的载体,因此必须允许作为设计的一部分。在提供公共接口的同时,每个域应该自由地对如何提供QoS做出自己的内部选择。问题就变成了协调不同领域的决策。这样一个框架的设计提出了几个关键的选择,我们将对此进行研究
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