urlComplex Event Processing (CEP) Blog » Differences between a BRE and a rule-driven CEP engine (Part 1)
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- 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 ap...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!
- One consistent question we get from outside the CEP market is: what is the difference between a “standard” Business Rules Engine (or BRE) and a (rule-drive...One consistent question we get from outside the CEP market is: what is the difference between a “standard” Business Rules Engine (or BRE) and a (rule-driven) Complex Event Processing engine? This is particularly interesting because a rule-based CEP en
