DYNAMIC AND DECENTRALIZED SERVICE COMPOSITION - With Contextual Aspect-Sensitive Services

Thomas Cottenier, Tzilla Elrad

2005

Abstract

This paper introduces a new technique to dynamically compose Web Services in a decentralized manner. Many of the shortcomings of current Web Service composition mechanisms stem from the difficulty of defining, modularizing and managing non-functional concerns and context-sensitive behaviours. Contextual Aspect-Sensitive Services (CASS) is a distributed aspect platform that targets the encapsulation of coordination, activity lifecycle and context propagation concerns in service-oriented environments. CASS enables crosscutting and context-sensitive concerns to be factored out of the service implementations and modularized into separate units of encapsulation. CASS does not require a centralized orchestration engine to coordinate the message exchanges. Coordination logic is woven directly at the level of the message processing engine. The CASS composition definition language offers a powerful alternative to static and centralized business process definition languages such as BPEL4WS.

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Paper Citation


in Harvard Style

Cottenier T. and Elrad T. (2005). DYNAMIC AND DECENTRALIZED SERVICE COMPOSITION - With Contextual Aspect-Sensitive Services . In Proceedings of the First International Conference on Web Information Systems and Technologies - Volume 1: WEBIST, ISBN 972-8865-20-1, pages 56-63. DOI: 10.5220/0001232000560063


in Bibtex Style

@conference{webist05,
author={Thomas Cottenier and Tzilla Elrad},
title={DYNAMIC AND DECENTRALIZED SERVICE COMPOSITION - With Contextual Aspect-Sensitive Services},
booktitle={Proceedings of the First International Conference on Web Information Systems and Technologies - Volume 1: WEBIST,},
year={2005},
pages={56-63},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001232000560063},
isbn={972-8865-20-1},
}


in EndNote Style

TY - CONF
JO - Proceedings of the First International Conference on Web Information Systems and Technologies - Volume 1: WEBIST,
TI - DYNAMIC AND DECENTRALIZED SERVICE COMPOSITION - With Contextual Aspect-Sensitive Services
SN - 972-8865-20-1
AU - Cottenier T.
AU - Elrad T.
PY - 2005
SP - 56
EP - 63
DO - 10.5220/0001232000560063