Following up on the recommended reading lists I’ve posted recently, this post contains a list of the books and specifications that I direct people to about SOA.
Service Oriented Architecture: Concepts, Technology, and Design
Enterprise Service Bus: Theory In Practice
Web Service Contract Design and Versioning for SOA
RESTful Web Services Cookbook: Solutions for Improving Simplicity and Scalability
Java Web Services: Up and Running
IBM WebSphere DataPower SOA Appliance Handbook