Competitive routing and flow control in communication networks of parallel links

Authors:
Seung Hyong Rhee;Takis Konstantopoulos;Hyukjoon Lee;Kwangsue Chung
Affiliations:
School of Electronic Engineering, Kwangwoon University, Seoul 139-701, South Korea;Department of Electrical and Computer Engineering, The University of Texas, Austin, TX;School of Computer Engineering, Kwangwoon University, Seoul 139-701, South Korea;School of Electronic Engineering, Kwangwoon University, Seoul 139-701, South Korea
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking - Small and home networks
Year:
2003

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Abstract

We study flow control and routing in a network of parallel links, in which competitive users make independent decisions to optimize their performance measures. The model we adopt in this paper differs from previously considered ones in that a user performs both flow control and routing, its performance measure is assumed to be a simple concave type function, and its service requirement is restricted by, e.g., a minimum demand or a system capacity. Adopting this extended model for parallel link networks, we prove that there exists a unique equilibrium which is a network operating point that attains user optimality.