Intended Status : Standard Track Nicolas Gast Expires : January 16 , 2014
نویسندگان
چکیده
We show, by measurements over a testbed and by mathematical analysis, that the current MPTCP suffers from two problems: (P1) Upgrading some TCP users to MPTCP can reduce the throughput of others without any benefit to the upgraded users; and (P2) MPTCP users can be excessively aggressive towards TCP users. We attribute these problems to the "Linked Increases" Algorithm (LIA) of MPTCP [4], and more specifically, to an excessive amount of traffic transmitted over congested paths. Our results show that these problems are important and can be mitigated. We believe that the design of the congestion control of MPTCP should be improved.
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