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A versatile event-based communication model for generic distributed interactions

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1 Author(s)
Peschanski, F. ; Lab. d''Informatique, Paris VI Univ., France

Event-based communication models provide interesting properties for distributed systems such as asynchronism and type-based selection mechanisms. The Comet middleware we developed proposes such an event-based communication model as foundation. From this canonical model, we show how to build more conventional bidirectional and synchronous interactions with extended features such as implicit type-based multicast or asynchronous operationalization. Furthermore, we demonstrate the use of the lower-level asynchronous model to develop highly flexible distributed services. We illustrate this idea with a publish/subscribe protocol that can be dynamically reconfigured to match various requirements: type-based or content-based filtering semantics, peer-to-peer or mediator-based configurations.

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Distributed Computing Systems Workshops, 2002. Proceedings. 22nd International Conference on

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