Sub-path congestion control in CMT

Authors:
Jiemin Liu;Yuchun Ma
Affiliations:
Department of Computer Engineering, Northeastern University at QinHuangDao, QinHuangDao, China;Department of Computer Engineering, Northeastern University at QinHuangDao, QinHuangDao, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

Using the application of bluck 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.