A decomposition and guided simulation methodology for large-scale system design: A study in QoS-capable intranets with fixed and mobile components

A decomposition and guided simulation methodology for large-scale system design: A study in QoS-capable intranets with fixed and mobile components

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Article ID: iaor200953693
Country: United States
Volume: 19
Issue: 3
Start Page Number: 429
End Page Number: 442
Publication Date: Jul 2007
Journal: INFORMS Journal On Computing
Authors: , , ,
Keywords: design
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.

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