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A Network Congestion control Protocol (NCP)

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Title: A Network Congestion control Protocol (NCP)
Author(s): Kassa, Debessay Fesehaye; Nahrstedt, Klara; Caesar, Matthew
Subject(s): Congestion Control, clean-slate, fairness, download times
Abstract: The transmission control protocol (TCP) which is the dominant congestion control protocol at the transport layer is proved to have many performance problems with the growth of the Internet. TCP for instance results in throughput degradation for high bandwidth delay product networks and is unfair for flows with high round trip delays. There have been many patches and modifications to TCP all of which inherit the problems of TCP in spite of some performance improve- ments. On the other hand there are clean-slate design approaches of the Internet. The eXplicit Congestion control Protocol (XCP) and the Rate Control Protocol (RCP) are the prominent clean slate congestion control protocols. Nonetheless, the XCP protocol is also proved to have its own performance problems some of which are its unfairness to long flows (flows with high round trip delay), and many per-packet computations at the router. As shown in this paper RCP also makes gross approximation to its important component that it may only give the performance reports shown in the literature for specific choices of its parameter values and traffic patterns. In this paper we present a new congestion control protocol called Network congestion Control Protocol (NCP). We show that NCP can outperform both TCP, XCP and RCP in terms of among other things fairness and file download times.
Issue Date: 2010-07-11
Genre: Technical Report
Type: Text
Language: English
URI: http://hdl.handle.net/2142/16562
Publication Status: unpublished
Date Available in IDEALS: 2010-07-11
 

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