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Achieving Max-Min Fairness by Decentralization for the ABR Traffic Control in ATM Networks

Seung Hyong RHEE, Takis KONSTANTOPOULOS

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Summary :

The available bit rate (ABR) is an ATM service category that provides an economical support of connections having vague requirements. An ABR session may specify its peak cell rate (PCR) and minimum cell rate (MCR), and available bandwidth is allocated to competing sessions based on the max-min policy. In this paper, we investigate the ABR traffic control from a different point of view: Based on the decentralized bandwidth allocation model studied in [9], we prove that the max-min rate vector is the equilibrium of a certain system of noncooperative optimizations. This interpretation suggests a new framework for ABR traffic control that allows the max-min optimality to be achieved and maintained by end-systems, and not by network switches. Moreover, in the discussion, we consider the constrained version of max-min fairness and develop an efficient algorithm with theoretical justification to determine the optimal rate vector.

Publication
IEICE TRANSACTIONS on Communications Vol.E84-B No.8 pp.2249-2255
Publication Date
2001/08/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Network

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