An Adaptive Quality of Service Aware Middleware for Replicated Services
Krishnamurthy, Sudha
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https://hdl.handle.net/2142/81608
Description
Title
An Adaptive Quality of Service Aware Middleware for Replicated Services
Author(s)
Krishnamurthy, Sudha
Issue Date
2002
Doctoral Committee Chair(s)
Sanders, William H.
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 this thesis we describe the adaptive framework and present the probabilistic models we have developed for the cases in which the replicated content is either static or dynamic. We discuss experimental results that validate the models, and compare the timeliness/consistency tradeoffs under different scenarios. The experimental results demonstrate the role of feedback and the efficacy of simple analytical models for adaptively sharing the available replicas among the users. Given the increasing demand for different services and the diversity of the requirements of clients, such adaptive frameworks that rely on feedback-based resource allocation are likely to play an increasing role in a range of problems related to building dependable systems.
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