Optimizing the selection of architecture for component-based system

Redundant components are commonly used for solving Redundancy Allocation Problems (RAP) and improving the reliability of complex systems. However, the use of such a strategy to minimize development costs while maintaining high quality attributes for building software architecture is a research chall...

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Main Author:	Saed, Adil Ali Abdelaziz
Format:	Thesis
Language:	English
Published:	2013
Subjects:	QA75 Electronic computers Computer science
Online Access:	http://eprints.utm.my/id/eprint/78399/1/SaedAdilAliPFC20131.pdf
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spelling	my-utm-ep.783992018-08-26T11:52:06Z Optimizing the selection of architecture for component-based system 2013-05 Saed, Adil Ali Abdelaziz QA75 Electronic computers. Computer science Redundant components are commonly used for solving Redundancy Allocation Problems (RAP) and improving the reliability of complex systems. However, the use of such a strategy to minimize development costs while maintaining high quality attributes for building software architecture is a research challenge. The selection for an optimal architecture to meet this challenge is an inherently complex task due to the high volume of possible architectural candidates and the fundamental conflict between quality attributes. Current software evaluation methods focus on predicting the quality attributes and selecting Commercial-Off-the Shelf (COTS) components for COTS-Based applications rather than utilizing additional architectural evaluation methods that could increase the opportunity for obtaining a cost-effective solution for RAP. In this thesis, an architecture-based approach called Cost-Discount and Build-or-Buy for RAP (CD/BoB-RAP) is introduced to support the decision making for selecting the architecture with optimal components and level of redundancy that satisfies the technical and financial preferences. This approach consists of an optimization model that includes two architectural evaluation methods (CD-RAP and BoB-RAP) and applies three variants of Particle Swarm Optimization (PSO) algorithms. Statistical results showed a 74% reduction on the development cost using CD-RAP on an embedded system case study. Moreover, the application of a maximum possible improvement on the algorithms showed that Penalty Guided PSO (PG-PSO) had enhanced the quality of obtained solutions by 70% to 84% in comparison to other algorithms. The results of the CD-RAP and BoB-RAP were superior when compared to the results obtained from similar approaches. The overall results of this research have proven the potential benefits of the CD/BoB-RAP approach for software architecture evaluation, particularly, in selecting software architecture for minimizing the development cost maintaining a highly reliable system. 2013-05 Thesis http://eprints.utm.my/id/eprint/78399/ http://eprints.utm.my/id/eprint/78399/1/SaedAdilAliPFC20131.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:82607 phd doctoral Universiti Teknologi Malaysia, Faculty of Computing Faculty of Computing
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	QA75 Electronic computers Computer science
spellingShingle	QA75 Electronic computers Computer science Saed, Adil Ali Abdelaziz Optimizing the selection of architecture for component-based system
description	Redundant components are commonly used for solving Redundancy Allocation Problems (RAP) and improving the reliability of complex systems. However, the use of such a strategy to minimize development costs while maintaining high quality attributes for building software architecture is a research challenge. The selection for an optimal architecture to meet this challenge is an inherently complex task due to the high volume of possible architectural candidates and the fundamental conflict between quality attributes. Current software evaluation methods focus on predicting the quality attributes and selecting Commercial-Off-the Shelf (COTS) components for COTS-Based applications rather than utilizing additional architectural evaluation methods that could increase the opportunity for obtaining a cost-effective solution for RAP. In this thesis, an architecture-based approach called Cost-Discount and Build-or-Buy for RAP (CD/BoB-RAP) is introduced to support the decision making for selecting the architecture with optimal components and level of redundancy that satisfies the technical and financial preferences. This approach consists of an optimization model that includes two architectural evaluation methods (CD-RAP and BoB-RAP) and applies three variants of Particle Swarm Optimization (PSO) algorithms. Statistical results showed a 74% reduction on the development cost using CD-RAP on an embedded system case study. Moreover, the application of a maximum possible improvement on the algorithms showed that Penalty Guided PSO (PG-PSO) had enhanced the quality of obtained solutions by 70% to 84% in comparison to other algorithms. The results of the CD-RAP and BoB-RAP were superior when compared to the results obtained from similar approaches. The overall results of this research have proven the potential benefits of the CD/BoB-RAP approach for software architecture evaluation, particularly, in selecting software architecture for minimizing the development cost maintaining a highly reliable system.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Saed, Adil Ali Abdelaziz
author_facet	Saed, Adil Ali Abdelaziz
author_sort	Saed, Adil Ali Abdelaziz
title	Optimizing the selection of architecture for component-based system
title_short	Optimizing the selection of architecture for component-based system
title_full	Optimizing the selection of architecture for component-based system
title_fullStr	Optimizing the selection of architecture for component-based system
title_full_unstemmed	Optimizing the selection of architecture for component-based system
title_sort	optimizing the selection of architecture for component-based system
granting_institution	Universiti Teknologi Malaysia, Faculty of Computing
granting_department	Faculty of Computing
publishDate	2013
url	http://eprints.utm.my/id/eprint/78399/1/SaedAdilAliPFC20131.pdf
_version_	1747817979749335040

Optimizing the selection of architecture for component-based system

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