Gartner Research

Rule Engines and Event Processing

Published: 09 March 2009

ID: G00165691

Analyst(s): Jim Sinur, W. Roy Schulte


Complex-event processing software is a type of rule engine, but its technology differs from the rule engines found in a typical business rule management system. Architects should understand the benefits and limitations of both types of rule engines to implement good decision management strategies.

Table Of Contents
  • Overview
  • Rule Engines
  • BRMSs
  • BRMS and CEP Engine Similarities
  • Request-Driven vs. Event-Driven Modes of Operation
  • Temporal Support
  • Individual vs. Set-Based Processing
  • Overlap

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