Due to the increasing demand for mobility among the Internet users, there is an urgent requirement to identify and solve the deficiencies in the wireless domain. One such urgent problem is the poor performance of TCP over wireless links. TCP still being the only protocol used in the Internet for reliable transfers, the assumptions made by TCP in the wired domain are not valid in the wireless domain. To enhance the performance of the TCP in the wireless domain, one needs to differentiate the 'congestion loss' from the 'Wireless loss'. This paper proposes a scheme called the 'Source-Centric Congestion Filtering', based on the MECN protocol, which tries to differentiate the losses based on the network feedback.
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