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On the Excess Bandwidth Allocation in ISP Traffic Control for Shared Access Networks

机译:共享访问网络的ISP流量控制中的过多带宽分配

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摘要

Current practice of shaping subscriber traffic based on token bucket by Internet service provider (ISP) allows short-term fluctuations in its shaped rate and thereby enables a subscriber to transmit traffic at a higher rate than a negotiated long-term average. The traffic shaping, however, results in significant waste of network resources, especially when there are only a few active subscribers, because it cannot allocate excess bandwidth to active subscribers in the long term. In this letter we investigate the long-term aspect of resource sharing in ISP traffic control for shared access networks. We discuss major requirements for the excess bandwidth allocation in shared access networks and propose ISP traffic control schemes based on core-stateless fair queueing (CSFQ) and token bucket meters. Simulation results demonstrate that the proposed schemes allocate excess bandwidth among active subscribers in a fair and efficient way, while not compromising the service contracts specified by token bucket for conformant subscribers.
机译:Internet服务提供商(ISP)基于令牌桶对订户流量进行整形的当前做法允许其整形速率的短期波动,从而使订户能够以高于协商的长期平均值的速率传输流量。但是,流量整形会导致网络资源的大量浪费,尤其是在只有几个活动用户的情况下,因为长期而言,它无法为活动用户分配过多的带宽。在这封信中,我们研究了共享访问网络的ISP流量控制中资源共享的长期方面。我们讨论了共享访问网络中多余带宽分配的主要要求,并提出了基于无状态核心公平排队(CSFQ)和令牌桶计量器的ISP流量控制方案。仿真结果表明,所提出的方案以公平有效的方式在活动用户之间分配了多余的带宽,同时又不损害令牌桶为一致用户指定的服务合同。

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