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OALib Journal期刊
ISSN: 2333-9721
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A Rerouting Issue with TCP Vegas and its Solution
TCP Vegas重选路问题及其解决方法

Keywords: TCP Vegas
拥塞控制
,重选路,主动激励

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Abstract:

To overcome the problem of original Vegas scheme which probably brings forth the throughput degradation after rerouting operations, we propose a novel mechanism called "active spurring", whose basic idea is that the source actively increases the BaseRTT to break down the equilibrium when the congestion window(cwnd) is stabilized to some equilibrium, and then Vegas is spurred to adjust the cwnd to be stabilized to a new equilibrium by the basic window adjustment mechanism in Vegas, effectively restoring the throughput of Vegas connections accordingly. "Active spurring"does not modify Vegas and can be simply embedded into the TCP Vegas or enhanced TCP Vegas as an independent module with a low overhead and hence be extended easily.

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