Distributed rate allocation for multi-path routing based on network utility maximization

Authors:
Youjun Bu;Wei He;Kunpeng Jiang;Binqiang Wang
Affiliations:
National Digital Switching System Engineering & Technology R&D Center, Zhengzhou, China;National Digital Switching System Engineering & Technology R&D Center, Zhengzhou, China;National Digital Switching System Engineering & Technology R&D Center, Zhengzhou, China;National Digital Switching System Engineering & Technology R&D Center, Zhengzhou, China
Venue:
ICSI'12 Proceedings of the Third international conference on Advances in Swarm Intelligence - Volume Part II
Year:
2012

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Abstract

In this paper, the multi-path utility maximization problem is investigated. As the objective function of Multipath routing is not strictly concave, the dual problem may not be differentiable for every point when one attempts to use a duality approach. To ensure the objective function strictly concave, a logarithmic term is introduced. We propose a distributed rate allocation algorithm and prove the convergence performance. Simulation results show that the mechanism can converge rapidly and make better use of network resources.