Business Rule Engine (BRE) Blog by Sreedhar Pelluru, Senior Programmer Writer

BizTalk 2004 SP2 - BRE (Business Rule Engine) Fixes

http://support.microsoft.com/kb/905290/ Fix 245451: BRE caches XML fields incorrectly http://support.microsoft.com/kb/905571/ Fix: 245450: The Rule Engine is not honoring rule priorities correctly in high load http://support.microsoft.com/kb/920136/ FIX:

What is the difference between Microsoft.RuleEngine.RuleSetDeploymentDriver and Microsoft.BizTalk.RuleEngineExtensions.RuleSetDeploymentDriver?

The Microsoft.RuleEngine assembly can be used by any .NET application. The BizTalk Server can be considered as one of the consumers of BRE. The Microsoft.BizTalk.RuleEngineExtensions is the extension for BizTalk to provide some additional functionality.

EQUAL predicate beween Object types and Strings - Breaks in 2006

Here is a question I received on my blog: We have hundreds of BTS2004 rules where we use the EQUAL predicate beween Object types and Strings. Now I discovered that BTS2006 does not permit this anymore. Why is it undocumented? How do I migrate those Rules

BRE: Performance Consideration - Documentation in Development

Performance Considerations Introduction This topic discusses how the rule engine performs in various scenarios and with different values for the configuration/tuning parameters. Fact Types The rule engine takes less time to access .NET facts compared

Changes to BRE from BTS 2004 to BTS 2006

Here are some of the changes to BRE in BizTalk 2006. Summary: Support for generic types and generic methods Support for nullable types 2 Accessing nested members of a class 4 Type Casting support 5 Invoking Static Members of a Class 6 Overriding registry

BizTalk Server Business Rules Framework White Paper

The following white paper gives you a high level overview of Business Rule Engine (BRE): http://www.microsoft.com/technet/prodtechnol/biztalk/biztalk2004/planning/business-rules-framework-overview.mspx