Most Enterprises today are faced with an array of IT challenges. They need to maintain an existing technology base while absorbing a wide-array of new technologies. The costs of integration are high. The complexity and number of systems is growing. Technology continues to change at an increasing pace. Duplicate efforts result in pockets of overlapping functionality. Many of these issues are related to integration; making applications work with IT infrastructures and making system components work with each other. This is a hard problem that we%u2019ve struggled with for years, and so we%u2019re hoping that Service Oriented Architecture (SOA) will solve it all.

This document explores the benefits of SOA and introduces the value of O.K.I. Open Service
Interface Definitions...