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Most complex information systems are event-driven: each part of the system reacts to the events happening in the other parts, potentially generating new events. Complex Event Processing (CEP) engines in charge of interpreting, filtering, and combining primitive events to identify higher level composite events according to a set of rules, are the new breed of Message Oriented Middleware, which is being proposed today to better support event-driven interactions. A key requirement for CEP engines is low latency processing, even in presence of complex rules and large numbers of incoming events. In this paper, the authors investigate how parallel hardware may speed up CEP processing.
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