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Permanent link (DOI): https://doi.org/10.7939/R3CQ0H

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Multi-failure network restorability design in survivable transport networks Open Access

Descriptions

Other title
Subject/Keyword
restorability
survivable
single failure
capacity cost
dual failure
restoration
spare capacity
Multi
networks
survivability
transport
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Akpuh, Jude
Supervisor and department
Doucette, John (Mechanical Engineering)
Examining committee member and department
Patterson, Raymond (Dept. Accounting and Management Information System)
Doucette, John (Engineering Management, Mechanical Engineering)
Kumar, Amit (Engineering Management, Mechanical Engineering)
Department
Department of Mechanical Engineering
Specialization

Date accepted
2009-10-06T15:24:04Z
Graduation date
2009-11
Degree
Master of Science
Degree level
Master's
Abstract
The Dual Failure Restorability (DFR) problems involve the design of network topology to be restorable in the event of single and dual failures scenarios. We developed new integer linear programming (ILP) models to optimally design mesh topology networks with various survivability schemes; span restoration, p-cycle, DSP and path restoration to achieve any specified level of dual failure restorability in the networks. The first variation of the ILP models applies specified dual failure restorability limit to each pair of spans in the network, and the second applies the limit to average dual failure restorability in the entire network. We used 137 test-case networks, consisting of four network families; 10-node, 12-node, 15-node, and 18-node network families. The results show that the capacity cost increases as the specified levels of dual failure restorability increases, and the relative increase in capacity cost in sparsely connected networks is much higher compare to densely connected networks.
Language
English
DOI
doi:10.7939/R3CQ0H
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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