MoCha: a middleware based on mobile channels

Arbab, Farhad; Boer, Frank de; Scholten, Johan; Bonsangue, Marcello M.

doi:10.1109/cmpsac.2002.1045079

Cited by 9 publications

(3 citation statements)

References 2 publications

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“…In [22] Arbab et al introduced a Reo coordination middleware model for enabling Web services to manage Reo circuits. The proposed middleware is based on Mocha [5] structure. In comparison with [22] where Reo operations are implemented by Java RMI, in this paper Reo operations are defined by Web service operation mechanisms.…”

Section: Related Workmentioning

confidence: 99%

“…Reo channels are independent of the exchanged data; hence it provides a data neutral model for composing software components. There are a number of middlewares for executing Reo circuits such as ReoLite [6], Mocha [5] and Eclipse coordination tool [9]. According to formal basis, visual expressiveness and reconfigurability of Reo, we have proposed a framework to compose Web services by Reo coordination language.…”

Section: Introductionmentioning

confidence: 99%

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A Dynamic Reconfigurable Web Service Composition Framework Using Reo Coordination Language

Braem

Gheysels²

2007

Fifth European Conference on Web Services (ECOWS'07)

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Web services are self-contained, modular units of application logic which provide business functionality to other applications via Internet connections. Several models have been used to compose Web services which are mainly served at specification level and provide static data dependent coordination processes. Hence they can not support reconfigurable dynamic coordination processes in which participant Web services and the coordination process itself will not be known explicitly prior to execution and would be determined dynamically at run time. In this paper we present a framework to coordinate Web services using Reo coordination language. Reo is a channel-based exogenous coordination language which has a formal basis and supports loose coupling, distribution, dynamic reconfiguration and mobility. Given that Web services are inherently loosely coupled and primarily built independently, the channel-based structure of Reo and its reconfigurability will provide a reconfigurable coordination mechanism for Web service composition. The proposed approach is a distributed dynamic orchestration framework which uses Reo channels as a communication means between Web services and benefits from Reo reconfiguration property to provide a dynamic coordination process. Due to data independence property of Reo, the proposed model is a data neutral framework which is mainly focused on coordination. In this paper we also present a number of case studies by using the proposed framework and investigate its pros and cons through these case studies.

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Section: Related Workmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Dynamic Reconfigurable Web Service Composition Framework Using Reo Coordination Language

Braem

Gheysels²

2007

Fifth European Conference on Web Services (ECOWS'07)

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“…MoCha stands for Mobile Channels middleware [7], [9]. A mobile channels middleware provides channel communication with dynamic reconfiguration capabilities.…”

Section: Coordination Middleware Based On Mochamentioning

confidence: 99%

Compositional Construction of Web Services Using Reo

2004

Proceedings of the 4th International Workshop on Pattern Recognition in Information Systems

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C e n t r u m v o o r W i s k u n d e e n I n f o r m a t i c a Software ENgineeringCompositional Construction of Web Services Using Reo ABSTRACT A Web Service can represent a unit of business logic that an organization exposes to other organizations on the World Wide Web. The recent efforts of the industry to agree on a common definition for Web Services resulted in the Web Services (WS) standard that governs how one defines, advertises and uses Web Services. Composition of primitive Web Services into complex ones presents the next challenge for the industry. Existing proposals for languages for service composition (also called choreography of Web services) typically come from the business process modeling community and often lack foundations in theoretical computer science and possibilities to address compo-sition from a more general perspective than business process applications only. In this paper we present our work-in-progress on compositional construction of Web Services using the Reo coordination language. The Reo language has a strong formal basis and promotes loose coupling, distribution, mobility, exogenous coordination, and dynamic reconfigurability. We carry out this work within the context of the Cybernetics Incident Management (CIM) project. typically come from the business process modeling community and often lack foundations in theoretical computer science and possibilities to address composition from a more general perspective than business process applications only. In this paper we present our work-in-progress on compositional construction of Web Services using the Reo coordination language. The Reo language has a strong formal basis and promotes loose coupling, distribution, mobility, exogenous coordination, and dynamic reconfigurability. We carry out this work within the context of the Cybernetics Incident Management (CIM) project. ACM Computing Classification

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