Quality-of-Service Based Web Service Composition and Execution Framework

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Author(s): Bassam Al Shargabi (Al-Isra University, Jordan), Osama Al-haj Hassan (Al-Isra University, Jordan), Alia Sabri (Applied Science University, Jordan)and Asim El Sheikh (Arab Academy for Banking and Financial Sciences, Jordan)
Copyright: 2013
Pages: 20
Source title: Network and Communication Technology Innovations for Web and IT Advancement
Source Author(s)/Editor(s): Ghazi I. Alkhatib (The Hashemite University, Jordan)
DOI: 10.4018/978-1-4666-2157-2.ch005

Keywords: Computer Science & IT / Engineering Science Reference / Web Technologies / Web Technologies & Engineering

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Abstract

Software is gradually becoming more built by composing web services to support enterprise applications integration; thus, making the process of composing web services a significant topic. The Quality of Service (QoS) in web service composition plays a crucial role. As such, it is important to guarantee, monitor, and enforce QoS and ability to handle failures during execution. Therefore, an urgent need exists for a dynamic Web Service Composition and Execution (WSCE) framework based on QoS constraints. A WSCE broker is designed to maintain the following function: intelligent web service selection decisions based on local QoS for individual web service or global QoS based selection for composed web services, execution tracking, and adaptation. A QoS certifier controlled by the UDDI registry is proposed to verify the claimed QoS attributes. The authors evaluate the composition plan along with performance time analysis.

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Quality-of-Service Based Web Service Composition and Execution Framework

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