What\'s the difference between a REST system and a system that is RESTful?
From a few things I\'ve read most so called REST services are actually RESTful services. S
REST is an style of software architecture for distributed software
Conforming to the REST constraints is referred to as being ‘RESTful’.
Very used today to build web services as an alternative to SOAP.
Here you have some links to check
http://en.wikipedia.org/wiki/Representational_State_Transfer
http://www.computerworld.com/s/article/297424/Representational_State_Transfer_REST_
http://www.ibm.com/developerworks/webservices/library/ws-restful/