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What is REST and RestFul?

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REST or Representational State Transfer is an architectural style for designing applications. Instead of using complex MECHANISMS like CORBA, RPC or SOAP for communication, it dictates that HTTP should be used. 

There are a few principles associated with REST architectural style: 

  • Everything is a resource i.e. File, Video, Images, WebPage etc. 
  • Every Resource is identified by a Unique Identifier. 
  • Be Stateless- Every request should be an independent request. 
  • Use simple and Uniform Interfaces. 
  • Everything is done VIA REPRESENTATION (sending requests from client to SERVER and receiving responses from server to client). 

RESTFUL: It is TERM written by applying REST architectural concepts and is called RESTful services. It focuses on system resources and how the state of the resource should be transported over HTTP protocol. 


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