OpenFlow软件定义网络中低效流量的优化

International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2014) Pub Date : 2014-07-06 DOI:10.1109/SPECTS.2014.6879992

J. Saldaña, F. Pascual, David de Hoz, J. Fernández-Navajas, José Ruíz, D. López, D. Florez, J. A. Castell, M. Nunez

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引用次数: 8

摘要

本文提出了一种基于OpenFlow的软件定义网络(sdn)带宽优化方法。呈现高开销的小数据包流，如新兴业务生成的流，可以由SDN控制器识别，以便删除流中任何数据包共用的报头字段，仅在其通过SDN的过程中。同时，多个数据包可以在同一帧中复用，从而减少了发送帧的数量。考虑了四种类型的小数据包流量(VoIP、基于UDP和TCP的在线游戏、TCP流的ack)。对IPv4和IPv6都进行了测试，对于所考虑的各种流量，可以获得显著的带宽节省(IPv4高达68%，IPv6高达78%)。

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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Optimization of low-efficiency traffic in OpenFlow Software Defined Networks

This paper proposes a method for optimizing bandwidth usage in Software Defined Networks (SDNs) based on OpenFlow. Flows of small packets presenting a high overhead, as the ones generated by emerging services, can be identified by the SDN controller, in order to remove header fields that are common to any packet in the flow, only during their way through the SDN. At the same time, several packets can be multiplexed together in the same frame, thus reducing the number of sent frames. Four kinds of small-packet traffic flows are considered (VoIP, UDP and TCP-based online games, and ACKs from TCP flows). Both IPv4 and IPv6 are tested, and significant bandwidth savings (up to 68 % for IPv4 and 78 % for IPv6) can be obtained for the considered kinds of traffic.

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International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2014)

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