Abstract
In this work we analyse operation of a services network which is built from processing nodes serving dedicated services and communication links transmitting required information resources. For task executions specific subsets of network resources – so called communication paths – are allocated. Execution of a task in communication paths is disrupted by occurring faults which are eliminated by renewal procedures leading to delays in task completion time or even to task cancellation. One of the method for overcoming the negative effects of the faults is to apply a path reconfiguration mechanism i.e. a redirection of the communication traffic which bypasses the damaged link. We propose a functional-reliability dependability model of the services network which takes into account possible path reconfigurations. We also define a network dependability parameter which evaluates network efficiency by finding the degree of task losses among all the jobs being executed in the network.
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Zamojski, W., Sugier, J. (2015). Functional-Reliability Model of a Services System with Path Reconfiguration Ability. In: Zamojski, W., Sugier, J. (eds) Dependability Problems of Complex Information Systems. Advances in Intelligent Systems and Computing, vol 307. Springer, Cham. https://doi.org/10.1007/978-3-319-08964-5_10
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DOI: https://doi.org/10.1007/978-3-319-08964-5_10
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-08963-8
Online ISBN: 978-3-319-08964-5
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