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Utility maximization for communication networks with multipath routing

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2 Author(s)
Xiaojun Lin ; Center for Wireless Syst. & Applic., Purdue Univ., West Lafayette, IN, USA ; Shroff, N.B.

In this paper, we study utility maximization problems for communication networks where each user (or class) can have multiple alternative paths through the network. This type of multi-path utility maximization problems appear naturally in several resource allocation problems in communication networks, such as the multi-path flow control problem, the optimal quality-of-service (QoS) routing problem, and the optimal network pricing problem. We develop a distributed solution to this problem that is amenable to online implementation. We analyze the convergence of our algorithm in both continuous-time and discrete-time, and with and without measurement noise. These analyses provide us with guidelines on how to choose the parameters of the algorithm to ensure efficient network control.

Published in:

Automatic Control, IEEE Transactions on  (Volume:51 ,  Issue: 5 )