Improving TCP performance of mobile ad hoc networks by back-up multi-path routing

被引：1

作者：

Wang, Yaoguo ^{[1
]}

Liu, Jin ^{[1
,2
]}

机构：

[1] College of Information and Communication Engineering, Harbin Engineering University, Harbin

[2] Wuhan Maritime Communication Research Institute, Wuhan

来源：

Journal of Convergence Information Technology | 2012年 / 7卷 / 23期

关键词：

Dynamic topology; MANET; Multipath routing protocol; TCP;

D O I：

10.4156/jcit.vol7.issue23.3

中图分类号：

学科分类号：

摘要：

In Mobile Ad hoc Networks(MANET), topological dynamic changes may lead to link failure frequently and consequent serious packets loss. Since traditional TCP protocol cannot distinguish between different types of packets loss and thus it incorrectly estimates network condition and blindly starts congestion control which will thus degrades the network performance. Therefore, a Dynamic Topology-Multipath AODV (DT-MAODV) applicable for dynamic topology environment is proposed to improve the performance of TCP in MANET in this paper. The AODV adopts link-disjoint path strategy to set up many backup routes. When a route breaks, it firstly takes advantage of available local backup paths to recover it in order to decrease frequency of route rebuilding. At the same time, data salvage mechanism is also introduced to increase delivery ratio of data packets. Simulation results indicate that DT-MAODV protocol can effectively decrease packet loss rate and improve throughput of TCP protocol compared with AODV and DSR.

引用

页码：18 / 24

页数：6

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