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- Title
A Decomposition and Guided Simulation Methodology for Large-Scale System Design: A Study in QoS-Capable Intranets with Fixed and Mobile Components.
- Authors
Bhattacharjee, Sudip; Zhang, Hong; Ramesh, R.; Andrews, Dee H.
- Abstract
Integrated design of a large-scale distributed system is challenging due to multiple conflicting design objectives, a large number of stochastic parameters, and a combinatorially large design space. Current approaches using decomposition and analysis of isolated subproblems could lead to suboptimization. We develop a framework for integrated design that combines analytical modeling with embedded simulations for large-scale infrastructure planning. The framework uses problem decomposition and a guided simulation methodology, which uses concepts of extrinsic and intrinsic guidance. These are integrated in a comprehensive framework and used to interlink the subproblems and guide the design process towards achieving overall objectives concurrently. A case study demonstrates viability of the framework. The methodology is efficient and flexible, and can be adapted for other problems where resource sharing and integrated system design is critical.
- Subjects
DECOMPOSITION method; SIMULATION methods &; models; INTEGRATED circuit design; LARGE scale systems; QUALITY of service; INTRANETS (Computer networks); MATHEMATICAL models of decision making; STOCHASTIC processes; MATHEMATICAL optimization; COMPUTER systems
- Publication
INFORMS Journal on Computing, 2007, Vol 19, Issue 3, p429
- ISSN
1091-9856
- Publication type
Article
- DOI
10.1287/ijoc.1050.0173