EABOK

EABOK

The EABOK is a guide to Enterprise Architecture produced by MITRE (specifically MITRE's Center for Innovative Computing and Informatics), and is substantially funded by US government agencies. It provides a critical review of enterprise architecture issues in the context of the needs of an organization. Because it provides a "big picture" view of needs and methods, some enterprise architecture practitioners recommend it as the "first port of call" for a business establishing an enterprise architecture unit.

Overview

The following paragraph is taken from MITRE's web pages:

The Guide to the Enterprise Architecture Body of Knowledge (EABOK) organizes and characterizes the knowledge content of the Enterprise Architecture (EA) discipline. This organization and characterization promotes a consistent view of EA, establishes the scope and bounds of the EA discipline, and places the discipline in the context of related disciplines. The EABOK subdivides EA into knowledge areas and topics within each area, presents an overview of the topic, and provides the reader references for further information. The EABOK is a guide to EA, not the body of knowledge itself.

The current printable version is dated 06-Feb-2004 and edited by Dr Paula J Hagan. It has been approved for public release; distribution unlimited. New sections and expansions of current "stubs" are under development within MITRE and will be released to the web on an ad-hoc basis.

Alternative Titles

While the title of the main printed document is "EABOK", it is also known as:
* "The Guide to the Enterprise Architecture Body of Knowledge" (on the MITRE web pages)
* "The Guide to the (Evolving) Enterprise Architecture Body of Knowledge" (a smaller title on the cover page of the printable document)

(It is for this reason that the wikipedia entry is EABOK)

Perspective

The key to the EABOK is that it (and the discipline it describes) is evolving (with some of its [http://www.mitre.org/tech/eabok/knowledge_areas.html knowledge areas yet to be fleshed out] ), and the way it places enterprise architecture "in context". Because there are so many different frameworks and viewpoints about enterprise architecture, it provides a critique of alternatives (such as between the original Zachman Framework, TOGAF and DODAF). The bibliographies are particularly useful, and obviate the need for a full list of external links in this wikipedia.

It treats Enterprise Architecture as not including merely diagrams and technical descriptions, but gives a holistic view that includes US legislative requirements and guidance, as well as giving technologists a better understanding of business needs with a quick explanation of the Value chain for a business as outlined by Michael Porter.

It is worth reading between the lines of many sections, such as the possible implied criticisms of enterprise architecture units that live solely by the diagram from Zachman's original concepts that enterprise architecture frameworks were necessary:

Today Zachman sees his framework as a thinking tool...The Zachman EA Framework has contributed to the organization of several later frameworks and much architectural thinking.

Another example of possible implied criticism of some EA practitioners:

Many "novice" EA practitioners comment that they find the DODAF too complex for a starting point to build an enterprise architecture. "Other" practitioners find the DODAF a good source of product description information to get them started.
(Italics are not in the original article)

It is "just" such comments that make many experienced information systems and business professionals appreciate the EABOK: while it reviews a range of approaches, it is not frightened to put a personal point-of-view.

Enterprise architecture practitioners should be aware that the discipline has evolved since the most recent publication: perhaps the most notable being the extensions of DODAF, including MODAF, and the work at the Object Management Group to create a model that satisfies both frameworks.

While many of the references to legislation and guidance are US-centric, the issues and the references are useful to government agencies and businesses across the globe.

References

* [http://www.mitre.org/work/tech_papers/tech_papers_04/04_0104/04_0104.pdf Guide to the (Evolving) Enterprise Architecture Body of Knowledge] (Current as of 2007-01-01)

ee also

* Enterprise Architecture

External links

* [http://www.mitre.org/news/the_edge "The Edge"] , an EA newsletter from MITRE


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