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Evaluating QOSMOS Using Markov Decision Process Model

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Author(s): D. MEENAKSHI , R. RAJA SEKHAR

Journal: International Journal of Advanced Research in Computer Engineering & Technology (IJARCET)
ISSN 2278-1323

Volume: 1;
Issue: 7;
Start page: 105;
Date: 2012;
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Keywords: Service discovery has been recognized as an important aspect in the development of service centric systems | i.e. | software systems which deploy web services. To develop such systems | it is necessary to identify services that can be combined in order to fulfill the functionality and achieve quality criteria of the system being developed. In this paper | markov decision process model has structural and Behavioral Analysis for Service Quality (SBA) - that is the exploit of services in QOS based ranking order | which can provide functionalities | shows whether vulnerabilities are present and satisfy properties and constraints of systems as specified during the software design phase. The framework is composed of a query extractor | which derives queries from design specification of service centric systems | and a query execution engine that executes these queries against service registries. The paper describes a prototype tool that is developed to demonstrate and evaluate our framework and the results of a set of preliminary experiments are conducted to evaluate it.

ABSTRACT
Service discovery has been recognized as an important aspect in the development of service centric systems, i.e., software systems which deploy web services. To develop such systems, it is necessary to identify services that can be combined in order to fulfill the functionality and achieve quality criteria of the system being developed. In this paper, markov decision process model has structural and Behavioral Analysis for Service Quality (SBA) - that is the exploit of services in QOS based ranking order, which can provide functionalities, shows whether vulnerabilities are present and satisfy properties and constraints of systems as specified during the software design phase. The framework is composed of a query extractor, which derives queries from design specification of service centric systems, and a query execution engine that executes these queries against service registries. The paper describes a prototype tool that is developed to demonstrate and evaluate our framework and the results of a set of preliminary experiments are conducted to evaluate it.
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