You have purchased applications. You have existing in-house applications. You have applications you are in the process of writing from scratch. Now your CIO wants to know how all these applications are going to start leveraging this 'SOA' that's been in all the papers. Ah yes, S-O-A, the elusive Service Oriented Architecture. You've read the analyst reports. You've watched some online webinars. You even have a fancy poster in your office. It all sounds good, but you're not quite sure how it applies to your environment.