Shao Liu, Mung Chiang, Mathias Jourdain, and Jin Li
12 July 2009
Can an end-host running multiple TCP sessions
detect not just the occurrence, but also the location of congestion?
This paper answers this question through new analytic results on
the two underlying technical difficulties: synchronization effects
of loss and delay in TCP and distributed hypothesis testing using
only local loss and delay data, as well as practical algorithm
development and extensive simulations. It presents a Congestion
Location Detection algorithm that effectively allows an end host
to distributedly detect whether congestion happens in the local
access link or in more remote links. This further enables the
practical usage of low-priority congestion control protocols.
|Published in||17th IEEE International Workshop on Quality of Service|
|Publisher||IEEE Communications Society|
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