Enterprise Architecture

A Pragmatic Approach Using PEAF


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The artefacts defined in PEAF constitute the EA Meta-model and some of its content such as Principles.

There are many Meta-models that already exist (for the reasons defined above) and the lack of a Meta-model has never really been a reason why EA initiatives fail. For this reason, PEAF does not concentrate on defining a complete and detailed Meta-model (no point reinventing the wheel). However, PEAF does defines some important things that are usually missing and also exposes a higher level structure that people can use to understand how the detailed Meta-models they wish to use fit and relate.

Unfortunately, this is not an easy task because all the myriad Meta-models out there do not share any common backbone or structure (such as MACE and MAGMA). Even if you can figure out which parts of which Meta-models you wish to use, integrating them into a whole is also fraught with difficulty, again because there is no common meta-meta-structure (such as MACE and MAGMA).

This is exacerbated by Tool Vendors not providing facilities for the importation and separate management of different Meta-models from different sources along with the functionality to then present and manage and use them as a coherent whole.

This whole problem area is an area that Pragmatic is currently working on, driving Meta-model providers to structure their Meta-models around a Structural Ontology (MACE), a Transformation Ontology (MAGMA), all expressed at different levels of abstraction (Enterprise Context, Contextual, Conceptual, Logical, Physical, Operational) and driving Tool Vendors to think about how to then use them and allow people to use and manipulate them.

This will be a long and hard road (some say impossible), but one that will reap fantastic benefits for Enterprises globally. These 2 things (doing the impossible and fantastic rewards for customers) are the things that mean it’s something that Pragmatic has a passion to do.

In the meantime, Pragmatic will continue to map existing Meta-models to MACE and MAGMA to provide Enterprises with, at least, a starting point to understand how they relate and therefore how to adopt them.


Questions to ponder...

With respect to your Enterprises EA capability, what Artefacts are used?

Are those Artefacts documented? Understood?

Are they fit for purpose?

Are they used? All the time? Only when it suits?

Which of them are Good? Why? Bad? Why?

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