Using multiple links to increase the performance of bandwidth-intensive UDP-based applications
Computers and Communications(2011)
摘要
Networked devices often come equipped with multiple network interfaces, and bandwidth aggregation is one of the many possible benefits of using multiple interfaces simultaneously. Real-world networks introduce several challenges that have often been ignored by related work on bandwidth aggregation. The challenges include limited connectivity due to NAT-boxes, link heterogeneity and link variability. In this paper, we present a transparent solution for proxy-based bandwidth aggregation that is able to overcome the different deployment and link heterogeneity challenges present in real-world networks. Our focus has been on increasing the performance of bandwidth-intensive UDP-based applications, and through evaluation we show that our solution efficiently aggregates bandwidth and increases the in-order throughput. Previously, we introduced a multi-link UDP proxy solution that improves in-order throughput. This paper presents a significant extension and improvement in terms of support for middle-boxes (NAT), congestion control, a client-based resequencer and support for all operating systems.
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关键词
telecommunication congestion control,transport protocols,bandwidth-intensive UDP-based application,client-based resequencer,congestion control,link heterogeneity,link variability,multiple network interface,networked device,operating system,proxy-based bandwidth aggregation,real-world networks
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