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FORMAL METHODS FOR QUALITY OF SERVICE ANALYSIS IN COMPONENT-BASED DISTRIBUTED COMPUTING.

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Title: FORMAL METHODS FOR QUALITY OF SERVICE ANALYSIS IN COMPONENT-BASED DISTRIBUTED COMPUTING.
Authors: Yang, Chunmin1, Bryant, Barrett R.1, Burt, Carol C.1, Raje, Rajeev R.2, Olson, Andrew M.2, Auguston, Mikhail3
Source: Journal of Integrated Design & Process Science. Jun2004, Vol. 8 Issue 2, p137-149. 13p.
Subjects: Component software, Computer software, Software architecture, Quality of service, Object constancy (Psychoanalysis), Distributed computing, Unified modeling language, Computer software development
Abstract: Component-Based Software Architecture is a promising solution for realizing distributed computing systems. To develop high quality software for such systems, an analysis of non-functional aspects of the software properties (also called Quality of Service or QoS) is very important. The UniFrame research project defines a Unified Meta-Component Model Framework (UniFrame) that includes a notion of QoS contracts. A classification of Quality of Service parameters, both static and dynamic, relevant to component-based distributed computing is developed and represented formally using Two-Level Grammar (TLG), an object-oriented formal specification language. TLG may be transformed into both a UML model, augmented with OCL constraints, and executable code in the Java programming language. This may be regarded as standardized code for implementation of the distributed application with dynamic measurement of the Quality of Service aspects incorporated. The approach is consistent with OMG's Model Driven Architecture (MDA) in that QoS properties may be specified at the Platform Independent Model (PIM) level and then carried down to the Platform Specific Model (PSM) level in implementation. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Integrated Design & Process Science is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: FORMAL METHODS FOR QUALITY OF SERVICE ANALYSIS IN COMPONENT-BASED DISTRIBUTED COMPUTING.
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  Data: <searchLink fieldCode="DE" term="%22Component+software%22">Component software</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+software%22">Computer software</searchLink><br /><searchLink fieldCode="DE" term="%22Software+architecture%22">Software architecture</searchLink><br /><searchLink fieldCode="DE" term="%22Quality+of+service%22">Quality of service</searchLink><br /><searchLink fieldCode="DE" term="%22Object+constancy+%28Psychoanalysis%29%22">Object constancy (Psychoanalysis)</searchLink><br /><searchLink fieldCode="DE" term="%22Distributed+computing%22">Distributed computing</searchLink><br /><searchLink fieldCode="DE" term="%22Unified+modeling+language%22">Unified modeling language</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+software+development%22">Computer software development</searchLink>
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  Data: Component-Based Software Architecture is a promising solution for realizing distributed computing systems. To develop high quality software for such systems, an analysis of non-functional aspects of the software properties (also called Quality of Service or QoS) is very important. The UniFrame research project defines a Unified Meta-Component Model Framework (UniFrame) that includes a notion of QoS contracts. A classification of Quality of Service parameters, both static and dynamic, relevant to component-based distributed computing is developed and represented formally using Two-Level Grammar (TLG), an object-oriented formal specification language. TLG may be transformed into both a UML model, augmented with OCL constraints, and executable code in the Java programming language. This may be regarded as standardized code for implementation of the distributed application with dynamic measurement of the Quality of Service aspects incorporated. The approach is consistent with OMG's Model Driven Architecture (MDA) in that QoS properties may be specified at the Platform Independent Model (PIM) level and then carried down to the Platform Specific Model (PSM) level in implementation. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Integrated Design & Process Science is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Software architecture
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      – TitleFull: FORMAL METHODS FOR QUALITY OF SERVICE ANALYSIS IN COMPONENT-BASED DISTRIBUTED COMPUTING.
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              Text: Jun2004
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