I have found this common question among attendees from the recently concluded MindTree(http://www.mindtree.com) Osmosis tech fest and last year’s Opengroup’s EA conference where Kamran (MindTree CTO) presented case studies on SOA implementation: I know the “why? of SOA but not sure of the “how?. Is there a methodology? The often misleading answer to this question is to tie an SOA adoption to a complete Enterprise Architecture (EA) definition exercise. This leads to the following impressions/myths: * SOA is for large organizations or programmes * SOA adoption must be a big-bang approach The truth is : SOA can be adopted just as easily for mid-sized opportunities as it can for large engagements. The difference is in the methodology used. Read more on the blog : http://regumindtrail.wordpress.com/2007/01/31/methodology-for-soa-adoption/