XCP-i : eXplicit Control Protocol for heterogeneous inter-networking of high-speed networks

Abstract : XCP is a transport protocol that uses the assistance of specializedrouters to accurately determine the sender’s congestion window size.However, XCP requires the collaboration of all the routers on the datapath which is almost impossible to achieve in an incremental deploymentscenario of XCP. It has been shown that XCP behaves worse than TCPin the presence of non-XCP routers, limiting dramatically the benefitof having XCP running in some parts of the network. In this paper,we address this problem and propose XCP-i which is operable on aninternetwork consisting of XCP routers and traditional IP routers withoutloosing the benefit of the XCP control laws. The simulation resultson a number of topologies that reflect the various scenario of incrementaldeployment on the Internet show that although XCP-i performancesdepend on available bandwidth estimation accuracy, XCP-i still outperformsTCP on high-speed links.
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https://hal.inria.fr/inria-00083955
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Submitted on : Friday, July 7, 2006 - 10:52:19 AM
Last modification on : Friday, April 26, 2019 - 6:52:17 PM

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  • HAL Id : inria-00083955, version 2

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Dino Martín Lopez Pacheco, Cong-Duc Pham, Laurent Lefèvre. XCP-i : eXplicit Control Protocol for heterogeneous inter-networking of high-speed networks. [Research Report] RR-5946, LIP RR-2006-24, INRIA, LIP. 2006. ⟨inria-00083955v2⟩

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