JOINT CONFIGURATION OF BACKBONE AND LOGICAL NETWORKS ON A RECONFIGURABLE PACKET-SWITCHED NETWORK WITH UNRELIABLE LINKS

This paper considers a problem of configuring both backbone and logical networks in a reconfigurable packet-switched network where links are subject to failures. The objective is to design feasible backbone and logical networks at least cost where the network cost includes backbone link capacity exp...

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Vydáno v:Engineering optimization Ročník 30; číslo 3-4; s. 309 - 331
Hlavní autoři: LEE, JONG HYUP, SUNG, CHANG SUP
Médium: Journal Article
Jazyk:angličtina
Vydáno: Taylor & Francis Group 01.03.1998
Témata:
configuration
heuristics
Lagrangean relaxation
Network design
packet-switched network
reliability
ISSN:0305-215X, 1029-0273
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Shrnutí:This paper considers a problem of configuring both backbone and logical networks in a reconfigurable packet-switched network where links are subject to failures. The objective is to design feasible backbone and logical networks at least cost where the network cost includes backbone link capacity expansion cost and average packet delay penalty cost due to link failures. The problem is formulated as a zero-one non-linear mixed integer programming problem, for which an effective solution procedure is developed by using a Lagrangean relaxation technique for finding a lower bound and a heuristic method is exploited for improving the upper bound of an intermediate solution. The solution procedure is tested for its effectiveness with various numerical examples.
ISSN:0305-215X
1029-0273
DOI:10.1080/03052159808941249