Achieving TCP Reno friendliness in FAST TCP over wide area networks

FAST TCP is an outstanding TCP congestion control algorithm that has great performance over ultra high speed networks. However, the unfairness problem of FAST TCP with TCP Reno blocks widely the deployment of FAST TCP over wide area networks. In this paper, we proposed a novel delay-based congestion control algorithm, named FAST-FIT, which could perform gracefully in both ultra high speed networks and wide area networks, as well as keep graceful fairness with widely deployed TCP Reno hosts. Extensive experimental results have been obtained by using network simulators.