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Communication Dans Un Congrès Année : 2009

{EcnLD}, {ECN Loss Differentiation} to optimize the performance of transport protocols on wireless networks

Résumé

One major yet unsolved problem in wired-cum-wireless networks is the classification of losses, which can be due either to wireless temporary interferences or to network congestion. The transport protocol response to losses has to be different for these two cases. If the transmission uses existing protocols like TCP, the losses will always be classified as congestion losses by the data sender, causing reduced throughput. In wired networks, ECN (Explicit Congestion Notification) can be used to control the congestion through active queue management such as RED (Random Early Detection). It can also be used to resolve the transport protocol misreaction on wireless networks. This paper proposes a loss differentiation method (EcnLD), based on ECN signaling and RTT, and applied to TCPlike. TCPlike is one of the two current congestion controls present in the new transport protocol DCCP (Datagram Congestion Control Protocol). Our results indicate that EcnLD is a good approach to optimize congestion control and therefore increase the performance of transport protocols over wireless networks.
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Dates et versions

hal-00661809 , version 1 (20-01-2012)

Identifiants

  • HAL Id : hal-00661809 , version 1

Citer

Wassim Ramadan, Eugen Dedu, Julien Bourgeois. {EcnLD}, {ECN Loss Differentiation} to optimize the performance of transport protocols on wireless networks. ICUMT'09, Int. Conf. on Ultra Modern Telecommunications & Workshops, WMCNT workshop, 2009, Russia. pp.1--6. ⟨hal-00661809⟩
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