Optimization Strategies for Qos-Sensitive VOD Service Delivery in Cooperative Environments
Jeon, Won J.
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Permalink
https://hdl.handle.net/2142/81780
Description
Title
Optimization Strategies for Qos-Sensitive VOD Service Delivery in Cooperative Environments
Author(s)
Jeon, Won J.
Issue Date
2007
Doctoral Committee Chair(s)
Klara Nahrsted
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
In QoS-aware object replication, we formulate QoS-aware replication problem where each node specifies an upper bound on the time to access a given object. The problem is to minimize the number of replicas in order to satisfy these access deadlines. We show that this problem is intractable, since it is NP-complete. We present centralized as well as distributed solutions.
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