ECA-SCTP: Enhanced Cooperative ACK for SCTP path recovery in concurrent multiple transfer

Gang Heok Kim, Sung Hoon Seo, Joo Seok Song

Research output: Contribution to journalArticle

Abstract

Stream Control Transmission Protocol (SCTP) has been proposed to provide reliable transport of real-time communications. Due to its attractive features, such as multi-streaming and multihoming, the SCTP is often expected to be an alternative protocol for TCP and UDP. In the original SCTP standard, the secondary path is mainly regarded as a redundancy. Recently, most of researches have focused on extending the SCTP to enable a host to send its packets to a destination over multiple paths simultaneously. In order to transfer packets concurrently over the multiple paths, the SCTP should be well designed to avoid unnecessary fast retransmission and the mis-estimation of congestion window size through the paths. Therefore, we propose an Enhanced Cooperative ACK SCTP (ECASCTP) to improve the path recovery efficiency of multi-homed host which is under concurrent multiple transfer mode. We evaluated the performance of our proposed scheme using ns-2 simulation in terms of cwnd variation, path recovery time, and goodput. Our scheme provides better performance in lossy and path asymmetric networks.

Original languageEnglish
Pages (from-to)203-208
Number of pages6
JournalWorld Academy of Science, Engineering and Technology
Volume36
Publication statusPublished - 2009 Dec 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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