提高MANET的性能:一个跨层解决方案

2012 2nd IEEE International Conference on Parallel, Distributed and Grid Computing Pub Date : 2012-12-01 DOI:10.1109/PDGC.2012.6449855

A. Bansal, M. Singh

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引用次数: 4

摘要

MANET的一个主要问题是由于节点移动性、干扰、不可靠的介质和路由故障导致TCP吞吐量下降。此外，TCP还因为无法区分由于路由失败或由于拥塞造成的段丢失而遭受损失。有时，TCP会将无线错误误解为拥塞。MANET的另一个主要问题与路由有关。针对MANET的性能增强，我们提出了一个跨层解决方案，该解决方案可以处理增加的RTT和拥塞，并消除由于节点移动而导致的链路故障的错误解释。我们修改底层并使用链路稳定信息。我们修改了TCP New Reno以提高TCP性能。我们的研究涉及到DSDV和AODV路由协议。与此同时，我们分析了实际和修改后的TCP New Reno实现在数据包传输分数和吞吐量方面的性能。

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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Enhancing MANET's performance: A cross-layer solution

A major issue in MANET is degradation in TCP throughput due to node mobility, interference, unreliable medium and route failures. Additionally, TCP suffers because it is unable to distinguish segment loss either due to route failures or due to congestion. Sometimes, TCP misinterprets wireless error as congestion. Another major issue of MANET relates to routing. Aiming at performance enhancement in MANET, we present a cross-layer solution that deals with increased RTT and congestion, and removes false interpretation of link failure due to node movement. We modify lower layer and use link stability information. We modify TCP New Reno to improve TCP performance. We involve DSDV and AODV routing protocol in our study. Along with this, we analyze performance of both actual and modified TCP New Reno implementations in term of Packet Delivery Fraction and Throughput.

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来源期刊

2012 2nd IEEE International Conference on Parallel, Distributed and Grid Computing

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