Stream Control Transmission Protocol (SCTP) is originally designed for signaling transport over IP-based networks in the Signaling Transport (SIGTRAN) group of IETF and it has the potential to be an alternative transport protocol that may be better able to satisfy the requirements of future battlefield network than traditional protocols, TCP and UDP. SCTP performance over IEEE 802.11 is being evaluated in this paper. The impact of various IEEE 802.11 parameters on SCTP congestion control parameters is simulated and their effect on throughput as well as its performance is studied. Further more, a new algorithm is proposed to overcome the "small window syndrome" resulting from the MAC layer when the SCTP receiver side window is small. Simulation results demonstrate that SCTP performance is improved using this new algorithm
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