Difference between Enterprise Continuum, the Architecture Repository, and the Architecture Content framework

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Could anyone explain to me the difference between Enterprise Continuum, the Architecture Repository, and the Architecture Content Framework according to TOGAF framework?

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victor6510 On

Imagine that there is a bookcase where the shelfs are built following a specific layout. The bookcase is filled with books that are arranged with a classification rule. Each book is written in a consistent style:

  • Architecture Content Framework: How a book is composed. For example any book in this bookcase should contain a Table of Contents, the body text, Index, etc.
  • Architecture Repository: The bookcase with shelfs follows a specific layout.
  • Enterprise Continuum: The classification rule.
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Virgo_The_Perfectionist On

If you like to understand it as a layman, Here are my explanation:

Continuum means, "continuous changing at a slow pace". Enterprise continuum means slowly changing enterprises. It's merely a term to prepare the context.

Architecture Repository is like a library where we keep all our books/documents/contents. It has all available or newly created/modified contents related to architecture. It is newly introduced in Togaf 9

Like Architecture Repository, Architecture Content Framework is newly introduced in Togaf 9. It's an improved version of input/output of Togaf 8.1.1. It provides more concrete realization reference for outputs of different phases of ADM.

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pgras On

The Architecture Content Framework (with the Content Metamodel) informs on what content to produce at what phase of the ADM cycle, and also gives a model to structure those Architecture Deliverables. The produced content fall into three categories: Deliverables, Artifacts and Building Blocks.

The content framework should therefore be used as a companion to the ADM. The ADM describes what needs to be done to create an architecture and the content framework describes what the architecture should look like once it is done.

Documentation (existing and produces one) is expected to be stored in a repository -- the Enterprise Repository – which is divided into three parts; the Requirement Repository, the Architecture Repository, the Solutions Repository.

The content produced during the ADM cycle is mainly to be stored in the Architecture Repository.

The Enterprise Continuum is the classification method for organizing architecture and solution artifacts, both internal and external to the Architecture Repository. It can be considered as a virtual repository containing the Architecture Repository amongst other things.

A good explanation with the relations to the ADM cycle can be found here: grahamberrisford.com