SOA, EOA, COA, SCA, EA, TA, ESB ... every year the alphabet soup thickens. But what do you really need to do? Where should you start? How can you effectively get ready for things like legacy systems replacement, outsourcing and the cloud? The starting point is knowing the "what", being able to clearly identify the business transactions that take place and that you require, and being able to prioritise them. We will discuss how this can be done without spending years in analysis, and how to use integration technologies to enable a nimble enterprise modernisation programme of work.