TOPS: a new design for transactions in publish/subscribe middleware
Proceedings of the second international conference on Distributed event-based systems
Relational database support for event-based middleware functionality
Proceedings of the Fourth ACM International Conference on Distributed Event-Based Systems
Minimal broker overlay design for content-based publish/subscribe systems
CASCON '13 Proceedings of the 2013 Conference of the Center for Advanced Studies on Collaborative Research
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Content-based publish/subscribe provides a flexible communication model for component interoperation in large-scale environments. In process support systems and other applications that follow an event-based architectural style, the definition of dependencies between interacting components and the notion of all-or-nothing semantics are often needed to ensure reliable inter-component task execution. In this paper we introduce publish/ subscribe (P/S) transactions as an abstraction to support these needs in content-based publish/subscribe middleware. A P/S transaction demarcates within an atomic unit-of-work, the production, delivery, and processing of a number of related asynchronous event notifications. A transaction service, provided by the middleware, realises P/S transactions to support the transactional execution of processes on behalf of applications.