Enterprise Architecture vs. Service Oriented Architecture Part II

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The TOGAF specification has a single sentence in chapter 22 that is the best definition of EA I have ever seen.  It goes as follows:

“Enterprise architecture is the application of architectural discipline to the end-to-end enterprise, treating the enterprise or industry value-chain as a system.”

Wow, how perfect that is for those “Describe EA is X words or less” contests that are out there.

The description goes on to explain how EA provides to SOA Architects/Architecture:

“What enterprise architecture provides in an SOA context is a set of tools and techniques to link top-down business-led SOA to bottom-up developer-led SOA in a robust and maintainable way that addresses many of the non-technical challenges associated with SOA adoption.”

TOGAF(tm) Version 9

Just thought I’d share that because it is so well stated and useful.



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