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IEICE TRANSACTIONS on Communications

A Backlog Evaluation Formula for Admission Control Based on the Stochastic Network Calculus with Many Flows

Kazutomo KOBAYASHI, Yukio TAKAHASHI, Hiroyuki TAKADA

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Summary :

Admission control is a procedure to guarantee a given level of Quality of Service (QoS) by accepting or rejecting arrival connection requests. There are many studies on backlog or loss rate evaluation formulas for admission control at a single node. However, there are few studies on end-to-end evaluation formulas suitable for admission control. In a previous paper, the authors proposed a new stochastic network calculus for many flows using an approach taken from large deviations techniques and obtained asymptotic end-to-end evaluation formulas for output burstiness and backlog. In this paper, we apply this stochastic network calculus to a heterogeneous tandem network with many forwarding flows and cross traffic flows constrained by leaky buckets, and obtain a simple evaluation formula for the end-to-end backlog. In this formula, the end-to-end backlog can be evaluated by the traffic load at the bottle neck node. This result leads us to a natural extension of the evaluation formula for a single node.

Publication
IEICE TRANSACTIONS on Communications Vol.E94-B No.5 pp.1288-1294
Publication Date
2011/05/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E94.B.1288
Type of Manuscript
PAPER
Category
Fundamental Theories for Communications

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