SOA and EAI projects have 80% failure rates. Most IT divisions make it about technology and a testbed for experiments. While SOA & EAI is about delivering strategic business value with agility, to changing business needs.The book covers the basics of SOA & EAI followed by an analysis of the SOA manifesto. We push an arguement against Governance and COE's. The book then builds a feasible model of execution and outlines practices which when in the past practised by Aditya Yadav and Associates virtually have had a 100% success rate.The book outlines the Rincci SOA/EAI (Contrarian) method. Which delivers exactly what the business needs and avoids ivory tower architectures. It is designed with constant change in mind and enables the soa ecosystem to evolve in distributed co-ordinated fashion. It enables individual systems to deliver tactical goals along with the strategic business goals for the multi-system ecosystem.