Event Correlation in Heterogeneous EnvironmentsEreigniskorrelation in heterogenen Umgebungen
Björn Schilling, Udo Pletat, Kurt Rothermel · it - Information Technology · 2009
Abstract Complex event processing (CEP) is an emerging software technology for detecting business-relevant situations in streams of events and for providing these detected situations to business processes that are interested in it. While currently CEP-systems are mostly deployed within a single business domain at a limited scale, the cooperative nature of business applications gives reason that complex event processing will soon address multiple business domains and involve an increasingly large number of business events. In order to ensure interoperability as well as efficient utilization of processing and network capability, we motivate the need for heterogeneous correlation technology in the context of business applications. In this article we give an overview of the project “Distributed heterogeneous event processing” (DHEP) involving the IBM Böblingen lab and the Universität Stuttgart, where this need is adressed. The key aspect of the project is the deployment of collections of event correlation rules to a network of heterogeneous event correlation engines. We give an overview of challenges and possible solutions for the dynamic configuration of such environments and present our architecture which supports network-wide cooperation between different correlation engines.