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首页> 外文期刊>International Journal of Innovative Computing Information and Control >AN INTELLIGENT TCP VEGAS TO SUPPORT LONG-DISTANCE HIGH SPEED NETWORKS
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AN INTELLIGENT TCP VEGAS TO SUPPORT LONG-DISTANCE HIGH SPEED NETWORKS

机译：智能TCP VEGAS支持长距离高速网络

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摘要

In this paper, an Intelligent TCP Vegas (iTCP-Vegas) is proposed to improve the throughput of long-distance high-speed TCP connections. Large Round Tip Time (RTT) of packets in long-distance networks is a problem to cause the performance degradation of original TCP connections. Although the RTT-based TCP has been recognized to benefit the response performance of TCP connections, the previous conservative schemes do not offers a feasible and reliably approach. For efficient response, the alternative approach to adapt the congestion window is proposed based on a four-stage adjustment, rather than the conventional three-stage approach. Additionally, the original TCP Vegas with constant-interval is improved by the usage of dynamic intervals. In the proposed iTCP-Vegas, the main advantages includes (1) dynamic adjustment of the parameters, a and (3, to control the congestion window size values to upgrade the throughput of TCP connections on long-distance networks; (2) Simulation results show that in typical conditions of bandwidth and distance, the proposed mechanism effectively improves the throughput of standard TCP Vegas. Besides, the analysis of fairness among homogenous and heterogeneous TCP connections is also presented.
机译：本文提出了一种智能TCP Vegas（iTCP-Vegas）来提高长距离高速TCP连接的吞吐量。长距离网络中的数据包的大圆角提示时间（RTT）是导致原始TCP连接的性能下降的问题。尽管已经认识到基于RTT的TCP可以提高TCP连接的响应性能，但是以前的保守方案并未提供可行且可靠的方法。为了有效响应，基于四级调整而不是常规的三级方法，提出了一种适合拥塞窗口的替代方法。此外，通过使用动态间隔改进了具有恒定间隔的原始TCP Vegas。在提出的iTCP-Vegas中，主要优点包括：（1）参数a和（3）的动态调整，以控制拥塞窗口大小值，以升级长距离网络上TCP连接的吞吐量；（2）仿真结果结果表明，在典型的带宽和距离条件下，该机制有效地提高了标准TCP Vegas的吞吐量，并且对同质和异质TCP连接之间的公平性进行了分析。

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