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A simple multipath algorithm is proposed to augment Stream Control Transmission Protocol (SCTP) so that multiple available paths may be used concurrently. This requires an additional sequence number in the SCTP header for packets of each path and additional algorithms to handle the reordering that may naturally arise due to flow division over multiple paths. Performance of the proposed protocol has been studied using ns2 based simulation. The results indicate that our algorithm reduces the transmission delay and improves the throughput of the network.
Date of Publication: October 2011