Bandwidth Management Based Transmission Strategy for Real-time Streaming Media
Guangwei Bai · Jisuanji gongcheng · 2009
Stream Control Transmission Protocol(SCTP) is a message-oriented, reliable transport protocol operating on top of a potentially unreliable connectionless packet service such as IP. However, it requires high network bandwidth. As a partially reliable version of SCTP, PRSCTP achieves better performance in limited bandwidth network environments. This paper explores a new strategy Bandwidth Management based SCTP(BMSCTP) which tries to switch between SCTP and PRSCTP adaptively by using a bandwidth estimation mechanism. For performance analysis and evaluation, a series of simulation experiments are designed and conducted in this work. Simulation results demonstrate that the BMSCTP may provide significantly advantageous over the SCTP and PRSCTP for real-time multimedia applications in dynamic network environments, in terms of delivery ratio, end-to-end delay, etc.