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Publication
ICAC 2004
Conference paper
An autonomic messaging middleware with stateful stream transformation
Abstract
We report on the design and prototype implementation of the SMILE system. SMILE (Smart Middleware Light Ends) extends the Gryphon publishsubscribe system with stateful subscriptions and computing capabilities, with the goal of raising the abstraction level of messaging middleware programming closer to that of database programming. It allows subscriptions to relational views (which can involve aggregation, joins, and other transforms) derived from published event streams. The SMILE system has dual autonomie properties: it can be used to augment other system with monitoring capabilities and make them more autonomie; and the system itself has sophisticated capabilities for self-optimization, deployment and automated fault-tolerance.