Impact of retransmission mechanisms on the performance of SCTP and TCP

Authors:
Rumana Alamgir;Mohammed Atiquzzaman;William Ivancic
Affiliations:
School of Computer Science, University of Oklahoma, Norman, Ok;School of Computer Science, University of Oklahoma, Norman, Ok;Satellite Networks & Architectures Branch, NASA Glenn Research Center, Cleveland, OH
Venue:
AMCOS'05 Proceedings of the 4th WSEAS International Conference on Applied Mathematics and Computer Science
Year:
2005

Citing 5
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Abstract

The Stream Control Transmission Protocol (SCTP) has been developed as a reliable transport layer protocol for carrying PSTN signalling messages over IP networks. However, its advanced congestion control and fault tolerant features make it a strong competitor to the widely used TCP protocol. In this paper, we investigate the performance of SCTP in an error-prone network, and compared it with that of TCP. We have found that the performance of SCTP is higher than that of TCP for a range of wireless error probabilities. We have shown that differences in the retransmission mechanisms of the two protocols leads to the better performance of SCTP.