On Path Switching in Overlay Networks

A. Haider, A. Nakao
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引用次数: 5

Abstract

This paper investigates the stability characteristics of overlay networks performing switching between multiple virtual paths. A global stability condition for switched-control-systems has been applied to overlay path switching frequency, that can be incorporated into design of better routing protocols for overlay networks. Further, NS-2 based simulations have been carried out on an overlay network to evaluate the impact of round-trip-time, packet loss probability and throughput metrics on decisions regarding path selection. Throughput based switching decisions have shown to be resulting in lower number of path changes, which is desirable. Also, it has been observed that delay and loss based metrics can result into a large number of frequent path changes, which can push the overlay routing system into an instable oscillating state for a prolonged period of time.
覆盖网络中的路径交换
本文研究了在多个虚拟路径之间进行交换的覆盖网络的稳定性特性。将切换控制系统的全局稳定条件应用于覆盖路径交换频率,可用于设计更好的覆盖网络路由协议。此外,在覆盖网络上进行了基于NS-2的模拟,以评估往返时间、丢包概率和吞吐量指标对路径选择决策的影响。基于吞吐量的交换决策可以减少路径更改的数量,这是可取的。此外,已经观察到基于延迟和损耗的度量可能导致大量频繁的路径变化,这可能会使覆盖路由系统在很长一段时间内处于不稳定的振荡状态。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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