| Summary: | 碩士 === 樹德科技大學 === 資訊工程系碩士班 === 98 === Compare with TCP Reno algorithms, TCP Vegas has better throughput. Although TCP Vegas can early obtain the congestion information of the wired networks and prevent successfully the periodic packets loss occurred in TCP Reno, TCP Vegas still has some drawbacks in the wired networks or the wireless networks. The original TCP Vegas is designed to apply in the wired networks. If this algorithm is used in MANET, it will affect the measurement of RTT values. Then it also affects the adjustment of the congestion window. In order to resolve these drawbacks, in this dissertation, we propose a modified TCP Vegas version─NBA-Vegas，it will explore the RTT measurement algorithms and congestion control algorithms to improve the performance of TCP Vegas while it applies in MANET. Finally, we will use ns-2 simulator to verify the proposed algorithms.
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