Spring is always the time of year when my thoughts turn to Web services. Why spring? Because each year, the Redmond Media Group (publisher of RDN) hosts the Enterprise Architect Summit. We bring enterprise architects, dev managers, senior technical experts and CIOs together in an intimate setting to discuss trends in enterprise architecture, and to exchange lessons and success stories with one another. I'm the program chair for the Enterprise Architect Summit, which will be held this year in Phoenix from Oct. 5-7. I'm looking for speakers and session ideas; send proposals directly to me or sign up on RedmondEvents.com. In enterprise architecture, Web services continue to dominate the discourse in design and implementation. I've hosted or participated in the Enterprise Architect Summit for five years, and the growth of Web services and the evolution of services-oriented architectures have been the strongest trends during that time. The process of building new services -- and of taking existing apps and turning them into a collection of services -- is likely to take a decade or more.