CHAPTER 4: ARCHITECTURE MATURITY

Ad hoc development of architecture

In many organisations, enterprise architecture will develop in an unstructured fashion, although in four distinct phases. Each phase will demand its own discrete forms of governance to match the requisite level of architecture maturity.

A concern with architecture will typically start within larger IT projects. The usual driver here is often an urgent attempt to rein in the cost and complexity of links between new and existing IT systems. There is usually no formal architecture team as such at this stage, and governance will be provided by standard project management.

There is an increasing awareness of the need for horizontal consistency across IT systems, not just in technology ...

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