Business Process Management (BPM) und Business Rules Management (BRM) zusammen in einer service-orientierten Architektur (SOA) sind die methodischen und technischen Voraussetzungen, um Geschäftsprozesse zu industrialisieren und agil zu sein. BPM schafft die Automatisierung und Standardisierung von Geschäftsprozessen, BRM die Standardisierung und Transparenz von Management-Politiken und -Prinzipien. Und eine SOA bringt die Service-Orientierung, die uns erlaubt zwischen spezifischen Logiken einzelner Prozesse und prozessübergreifenden Logiken gebündelter Kompetenzen und Dienstleistungen sauber zu trennen. Das schafft Agilität zusammen mit Industrialisierung.
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The one, really big, difference between Complex Event Processing and traditional BRMS tools is that the former is loosely associated with EDA and decisions that are based on multiple events, whereas the latter is more associated with conventional request-reply SOA and automating decisions made in managed business processes.
Most BREs today are deployed as “decision services”, and are used in “stateless” transactions to make “decisions” as a part of a business process. A CEP application is instead processing multiple event streams and sources over time, which requires a “stateful” rule service optimized for long running. This is an important distinction, as a stateful BRE for long-running processes needs to have failover support - the ability to cache its working memory for application restarting or distribution. And of course long-running processes need to be very particular over issues like memory handling - no memory leaks allowed!
L. Pau. ERIM Report Series, ERS-2006-002-LIS. RSM Erasmus University, Erasmus Research Institute of
Management (ERIM), RSM Erasmus University, Erasmus Research Institute of
Management (ERIM), P/O Box 1738, 3000 DR Rotterdam, The
Netherlands, email: e-series@rsm.nl, (June 2006)