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Erschienen in:
2008 | OriginalPaper | Buchkapitel
An Intelligent Service Strategy in Linked Networks with Blocking and Feedback
verfasst von : Walenty Oniszczuk
Erschienen in: New Challenges in Applied Intelligence Technologies
Verlag: Springer Berlin Heidelberg
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An intelligent service strategy is one of the key elements in ensuring quality of service in a computer network. This paper presents a new analytical model for investigating a linked computer network with blocking and feedback (service according to the HOL priority scheme.) It describes behaviour of a computer network exposed to an open Markovian queuing model with blocking. The model illustrated below is very accurate, derived directly from a two-dimensional state graph and a set of steady-state equations, followed by calculations of Quality of Service (QoS) parameters. Collected numerical results indicate that the proposed open queuing network model with blocking and feedback can provide accurate performance estimates of a network. In our examples, the performance is calculated and numerically illustrated by varying buffer capacities, regulating intensity of the input flow and altering feedback probability. In addition, blocking probabilities in such network are calculated.