Sub-Path Congestion Control in CMT
Jiemin Liu, Yuchun Ma · 2009
Using the application of block data transfer, we investigate the performance of concurrent multipath transfer using SCTP multihoming (CMT) with congestion control policy under the scenario of a sender is constrained by the receive buffer (rbuf). We find that existing policy has some defects in aspect of bandwidth-aware source scheduling. Based on this, Based on this We proposed a sub-path congestion-control policy for SCTP (SPCC-SCTP) with bandwidth-aware source scheduling by dividing an association into sub paths based on shared bottleneck detection to overcome existing flaws of standard SCTP in supporting the multi-homing feature in the case of concurrent multipath transfer (CMT). The performance of the SPCC-SCTP is assessed through ns-2 experiments in a simplified Diff-Serv network. Simulation results demonstrated the effectiveness of our proposed mechanism and invite further research.