Efficient Design and Management of Reliable Optical Networks
Kim, Sun-il
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Permalink
https://hdl.handle.net/2142/81811
Description
Title
Efficient Design and Management of Reliable Optical Networks
Author(s)
Kim, Sun-il
Issue Date
2008
Doctoral Committee Chair(s)
Lumetta, Steven S.
Department of Study
Computer Science
Discipline
Computer Science
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Computer Science
Language
eng
Abstract
Given the cost of physically modifying the backbone, as well as the relatively slow speed at which core architectures change compared to higher layers, it is important to be able to optimize the network using soft solutions to achieve better performance. A few important aspects of network reliability and failure management are studied in this thesis. First, a study on the impact of multiple failures and techniques for addressing such failures are presented. Second, service differentiation based on reliability needs is studied. Service differentiation is critical in balancing network operation costs as well as in maximizing network utilization. Third, a cost-efficient, high-speed recovery scheme is introduced and evaluated under online non-dynamic and dynamic scenarios, as well as static provisioning applicable to protecting mission-critical traffic. Finally, the impact of physical layer impairments on network reliability is presented.
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