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Experimental Investigation on Aggregation Amplification of TCP Throughput in OBS Mesh Network Testbed

机译:OBS网状网络试验台中TCP吞吐量聚集扩大的实验研究

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Recently, optical burst switching (OBS), which represents a balance between circuit and packet switching, has opened up some exciting new dimensions in optical networking. Burstification is an important process in OBS networks. Due to the burstification, there are two opposite effects on TCP throughput in OBS networks: delay penalty and amplification effects. In this paper these two effects are experimentally investigated simultaneously for the first time based on an OBS mesh network testbed and some valuable experimental results are achieved. Experimental results show that when BTT is less than 1.5ms, and BLT is in the BLT window, the positive effect on TCP throughput is dominant. On the other hand, if BTT is larger than 1.5ms, the BLT window will be closed, thus the delay penalty will become the dominant effect in the OBS networks.
机译:最近,光学突发切换(OBS)表示电路和数据包交换之间的平衡,在光网络中打开了一些激动人心的新尺寸。 Burstification是OBS网络中的一个重要过程。由于突发,对OBS网络中的TCP吞吐量有两个相反的影响:延迟惩罚和放大效果。在本文中,这两种效果是基于OBS网状网络测试的第一次同时研究,并且实现了一些有价值的实验结果。实验结果表明,当BTT小于1.5ms时,BLT在BLT窗口中,对TCP吞吐量的积极影响是显性的。另一方面,如果BTT大于1.5ms,则BLT窗口将关闭,因此延迟损失将成为OBS网络中的显性效果。

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