Abstract
TCP-based applications account for a majority of data traffic in the
Internet; thus, understanding and improving the performance of TCP over
optical burst switching (OBS) network is critical. In this paper, we
identify the ill effects of implementing TCP over a hybrid network
(IP-access and OBS-core). We propose a Split-TCP framework for the hybrid
IP-OBS network 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 the simulation results, $N:1:N$ Split-TCP approach outperforms all other approaches. We also
develop an analytical model for end-to-end Split-TCP throughput and verify
it with simulations.
© 2009 IEEE
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