In this article on Zapthink, Jason Bloomberg takes a look at the simple, RESTful technology that drives many of the worlds largest websites. But he goes beyond the basics, taking a look at what it really means when we talk about the opacity of the RESTful approach to creating a Service Oriented Architecture.
"When people talk about opacity in the REST context, they are usually referring to Uniform Resource Indicators (URIs). You should be able to construct URIs however you like, the theory goes, and it’s up to the resource to figure out how to respond appropriately. But there’s more to the opacity story than opaque URIs."
Read the full article: The Power of Opacity in REST