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March 5, 2008

Externalization of rules and SOA is important – for now

James Taylor’s notes on his lunch with Sandy Carter of IBM and the CEO of Ilog prompted me to write this.  Part of the conversation concerned the appeal of SOA and rules to business users.  Speaking as a former vendor, we all want business people to appreciate our technology.  We earn more if they do.  They say to IT “we want SOA” or “we want rules” and our sale not only becomes easier, it becomes more valuable.  So we try to convince the business that they are service-oriented, so they should use SOA.  Or we tell the business that they have (and make) rules, so they should use (and manage their own) rules.   And rules advocates embrace and enhance the SOA value proposition saying that combined, you get the best of both worlds.  This is almost precisely the decision management appeal.  Externalize your decisions as services and externalize rules from those services for increased agility in decision making.   This is an accurate and appropriate perspective for point decision making.  But it doesn’t cover the bigger picture that strategic business people consider, which includes governance and compliance. 

Nonetheless,

Effective SOA and business rules have one requirement (or benefit) in common: externalization.  

The externalization of services from applications (more…)

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