Architecture Is Architecture Is Architecture

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There appears to be a gross misunderstanding about Architecture, particularly in the information technology community. Many people seem to think that an implementation, an end result, is Architecture. To use an Architecture and Construction example, many people think that the Roman Coliseum is Architecture.

The Roman Coliseum is NOT Architecture. The Roman Coliseum is the RESULT of Architecture. The RESULT of Architecture is an instance of Architecture, an implementation. In the end result, the implementation, you can see an instantiation of the Architect’s Architecture. If an Architect had not created the descriptive representations (the Architecture) of the Roman Coliseum, they could not have built the Roman Coliseum. They couldn’t have even ordered the stones they required in order to build the Coliseum without the Coliseum Architecture which had to be created long before the Coliseum was constructed.

Architecture is the set of descriptive representations that are required in order to create an object. If you can’t describe it, you can’t create it. Also, if you ever want to change the object you created, Architecture constitutes the baseline for changing the object once it is created, that is, it is the baseline for changing the object IF you retain the descriptive representations used in its creation and IF you ensure that the descriptive representations are always maintained consistent with the instantiation.

If the object you are trying to create is so simple that you can see it in its entirety at a glance and remember how all of its components fit together at excruciating level of detail all at one time, you don’t need Architecture. You can "wing it" and see if it works. It is only when the object you are trying to create is complex to the extent that you can’t see and remember all the details of the implementation at once, and only when you want to accommodate on-going change to the instantiated object, that Architecture is IMPERATIVE. Once again, without Architecture, you are not going to be able to create an object of any complexity and you won’t be able to change it (that is, change it in minimum time, with minimum disruption and minimum cost).

So, the question is, what constitutes the set of descriptive representations relevant for describing an object such that you can create it and change it with minimum time, disruption and cost?

Read full article here: Architecture Is Architecture Is Architecture

Author: John A. Zachman

 



 




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