RESTful Services

Recently, one of the most advocated means of creating services has been through the use of RESTful services. Before we continue, we would like to explain exactly what REST means and what criteria must be met before a service is indeed RESTful. REST was a word coined by Roy Fielding in his Ph.D. thesis meaning Representational State Transfer. It is an architectural design that relies heavily on the use of hypermedia to transmit information from one system to another. Its whole engine is based on the concept of Hypermedia As The Engine of Application State (HATEOAS). So, what constraints make a service a fully RESTful service? Some of the key constraints we would be looking at include:

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