Toward Policy-Based Dynamic Context-Aware Adaptation Architecture for Web Service Composition

ABSTRACT

Dynamic service composition techniques are beneficial for better design, implementation, and deployment of distributed applications. These techniques address the complexity that comes with the significant growth of the number of web services on the Internet and their constantly changing adaptation requirements. However, the previous approaches do not provide a mechanism for a flexible adaptation or re-composition when availability is not the only requirement. There are other business-level or service-level requirement specifications that can be introduced at any time by business or system administrators. These requirements could be business or quality rules, which may adversely affect web service composition (WSC) without changing the definitions of the Web Services' specification (i.e., WSDL, SAWSDL) nor their availability. In this paper we define a new context-oriented graph planning policy-based architecture for dynamic web service composition, and a prototype implementation.

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Index Terms

• Computer systems organization

  • Architectures

    • Distributed architectures

    • Other architectures

• Human-centered computing

  • Collaborative and social computing

    • Collaborative and social computing systems and tools

• Information systems

  • World Wide Web

• Software and its engineering

  • Software creation and management

    • Designing software

  • Software organization and properties

    • Software system structures

      • Distributed systems organizing principles