Study on MPTCP and CMT-SCTP Congestion Control Mechanism
Liu J · Jisuanji gongcheng · 2015
Multi-path TCP( MPTCP) and Concurrent Multipath Transfer for SCTP( CMT-SCTP) are two technologies of the concurrent multi-path transfer for NGI,w hich are hot topics. Compared w ith the traditional TCP and SCTP,the congestion control of multi-path transport protocols w ill face the problem of unfairness. This paper begins w ith an overview of the traditional TCP congestion control algorithm,and then in view of the unfairness of concurrent multi-path transfer,basing on the resource pooling method,it introduces the slow start threshold ratio factor,increase factor,per-flow aggressiveness factor,deduces three new algorithms to solve the problem of unfairness,and carryies out the contrastive analysis through simulation.