XCP-i : "eXplicit Control Protocol" pour l'interconnexion de réseaux haut-débit hétérogènes

Abstract : eXplicit Control Protocol (XCP) is a transport protocol that efficientlycontrols the sender’s congestion window size thus avoiding the slow-startand congestion avoidance phase. XCP requires the collaboration of allthe routers on the data path which is almost impossible to achieve in anincremental deployment scenario of XCP. If not, XCP’s performances areworse than those of TCP thus limiting dramatically the benefit of havingXCP running in some parts of the network. In this paper, we addressthis problem and propose XCP-i which is operable on an internetworkconsisting of XCP routers and traditional IP routers without loosing thebenefit of the XCP control laws which allow the congestion window tojump directly to the optimal size. The simulation results on a numberof topologies that reflect the various scenario of incremental deploymenton the Internet show that XCP-i outperforms TCP on high-speed links.
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Dino M. Lopez Pacheco, Laurent Lefèvre, Cong-Duc Pham. XCP-i : "eXplicit Control Protocol" pour l'interconnexion de réseaux haut-débit hétérogènes. [Rapport de recherche] LIP RR-2007-47, Laboratoire de l'informatique du parallélisme. 2007, 2+11p. ⟨hal-02102667⟩

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