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Title: TCP Vegas-A: Improving the Performance of TCP Vegas
Authors: Srijith, K.N.
Jacob, L. 
Ananda, A.L. 
Keywords: Congestion avoidance
Protocol design
Satellite links
TCP vegas
Issue Date: 2005
Citation: Srijith, K.N., Jacob, L., Ananda, A.L. (2005). TCP Vegas-A: Improving the Performance of TCP Vegas. Computer Communications 28 (4) : 429-440. ScholarBank@NUS Repository.
Abstract: While it has been shown that TCP Vegas provides better performance compared to TCP Reno, studies have identified various issues associated with the protocol. We propose modifications to the congestion avoidance mechanism of the TCP Vegas to overcome these limitations. Unlike the solutions proposed in the past, our solution, named TCP Vegas-A, is neither dependent on optimising any critical parameter values nor on the buffer management scheme implemented at the routers and hence can be implemented solely at the end host. Our simulation experiments over wired as well as over geosynchronous and lower earth orbit satellite links show that TCP Vegas-A is able to overcome several of the identified problems-it can obtain a fairer share of the network bandwidth in wired and satellite scenarios, tackle rerouting issues, rectify Vegas's bias against higher bandwidth flows and prevail over fluctuating RTT conditions of a lower earth orbit satellite link. At the same time, Vegas-A is able to preserve the unique properties of Vegas that had made it a noteworthy protocol. © 2004 Elsevier B.V. All rights reserved.
Source Title: Computer Communications
ISSN: 01403664
DOI: 10.1016/j.comcom.2004.08.016
Appears in Collections:Staff Publications

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