CHAPTER 1: WHAT IS ENTERPRISE ARCHITECTURE?

Some definitions

What is enterprise architecture, and why does it matter to business and to the governance1 of business and IT?

The Practical Guide for the US Federal Enterprise Architecture Framework defines enterprise as:

‘…an organisation or cross-functional entity supporting a defined business scope or mission. [It] includes interdependent resources – people, organisations and technology – who must coordinate their functions and share information in support of a common mission or set of related missions.’2

Note that, as the same document also emphasises:

‘…in many cases, the enterprise may transcend established organisational boundaries – e.g. trade, grant management, financial management, logistics.’ ...

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