The strength of TCP lies in the fact that it tries to mitigate congestion in the network by reducing the sending rate in response to loss of packets. Historically, using packet loss as a measure for perceiving congestion has worked quite well. But in the recent past, the nature of the networks has changed significantly. As a consequence, severe penalty is paid in terms of degraded performance in networks where the reason for packet loss is not necessarily network congestion. This paper aims to provide a single generalized solution that can be used to improve the robustness of TCP to all non-congestion events.
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