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Colombo: Lightweight middleware for service-oriented computing

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6 Author(s)
Curbera, F. ; IBM Research Division, Thomas J. Watson Research Center, 19 Skyline Drive, Hawthorne, New York 10532, USA ; Duftler, M.J. ; Khalaf, R. ; Nagy, W.A.
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Colombo is a lightweight platform for developing, deploying, and executing service-oriented applications. It provides optimized, native runtime support for the service-oriented-computing model, as opposed to the approach of layering service-oriented applications on a legacy runtime. This approach allows Colombo to provide high runtime performance, a small footprint, and simplified application development and deployment models. The Colombo runtime natively supports the full Web Services (WS) stack, providing transactional, reliable, and secure interactions among services. It defines a multilanguage service programming model that supports, among others, Java™ and Business Process Execution Language for Web Services (BPEL4WS) service composition, and offers a deployment and discovery model fully based on declarative service descriptions (Web Service Description Language [WSDL] and WS-Policy). In this paper we describe these and other aspects of the architecture, design principles, and capabilities of the Colombo platform.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Systems Journal  (Volume:44 ,  Issue: 4 )