Optimization Based Rate Control for Multipath Sessions
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In this paper, we consider the rate control problem for multipath sessionswith the objective ofmaximizing the total user (session) utility. This problem provides a frameworkin which flow control and routing are jointly optimized.<p>We consider two cases of this problem, anddevelop two different rate control algorithms for these two cases.The first algorithm is an end-to-endrate control algorithm which requires, on the part of the user, explicitknowledge of the paths that the user uses.The second algorithm is a hop-by-hop rate control algorithm whichdoes not require the user to keep track of the paths it uses.<p>Both the algorithms aredistributed and do not require the network to knowthe user utility functions.We analyze the convergence properties of these algorithms, anddiscuss how they can be implemented in a real network. Both of thesealgorithms are computationally simple, and have very low communication overhead.