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Capturing the Organization Organism: An Outside-In Approach to Enterprise Architecture by John Alexander

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CHAPTER 5

How to Develop the New EA

In the previous chapters we have discussed the concepts and components of our enterprise architecture. In this chapter, we will address how to use these concepts and assemble these components into an enterprise architecture which will be dynamic, able to be used to cater for a changing environment, and able to predict change to a certain extent.

We first identify internal and external entities. We then identify relationships between internal and external entities, which are expressed through these entities’ attributes. As discussed earlier, there are two types of relationships, one based on common values for the attributes – which are called common value relationships – and the other based on direct foreign ...

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