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TCP over optical burst switching (OBS): To split or not to split

By Deepak Padmanabhan and Vinod M. Vokkarane


Abstract — TCP-based applications account for a majority of data traffic in the Internet; thus understanding and improving the performance of TCP over OBS networks is critical. In this paper, we identify the ill-effects of implementing TCP over a hybrid network (IP-access and OBS-core). We evaluate a Split-TCP approach to improve TCP performance. We propose two Split-TCP approaches, namely, 1:1:1 and N:1:N. We evaluate the performance of the proposed approaches over an IP-OBS hybrid network. Based on our simulation results, we observe that N:1:N based Split-TCP approach outperforms all other approaches. Keywords: TCP, IP, WDM, and OBS. I

Year: 2009
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