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A Model for Evolution of Services in Distributed Systems

Senivongse, T. and Utting, I.A. (1996) A Model for Evolution of Services in Distributed Systems. In: Schill, Spaniol and Popien, Popien, eds. Distributed Platforms Proceedings of the IFIP/IEEE International Conference on Distributed Platforms: Client/Server and Beyond. IFIP — The International Federation for Information Processing . Springer, Boston, Massachusetts, USA, pp. 373-385. ISBN 978-1-4757-5010-2. E-ISBN 978-0-387-34947-3. (doi:10.1007/978-0-387-34947-3_28) (KAR id:21409)


Large software systems are never static. They exist in an environment that is subject to constant changes in both functionality and technology. This is particularly a problem for large-scale distributed systems, where different components may be subject to different, divergent, pressures. This paper describes work carried out on an RM-ODP-based model for evolution of distributed application services under such conditions. It examines problems which may occur when services evolve to their new versions without corresponding evolution in their clients and presents a mechanism to preserve such old services as are still needed. The model uses the idea of a `mapping' to provide the impression of old services using their new versions. A prototype of the model has been implemented on the ANSAware platform, giving an example of how the model can be applied in a working distributed environment.

Item Type: Book section
DOI/Identification number: 10.1007/978-0-387-34947-3_28
Uncontrolled keywords: evolution, transparency, RM-ODP, interoperability, distributed systems
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming,
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Computing
Depositing User: Mark Wheadon
Date Deposited: 06 Sep 2009 23:50 UTC
Last Modified: 16 Nov 2021 09:59 UTC
Resource URI: (The current URI for this page, for reference purposes)

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