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REST Services

REST services are designed according to a set of constraints that shape the service architecture to emulate the properties of the World Wide Web, resulting in service implementations that rely on the use of core Web technologies (described in the Web Technology section).

Unlike Web services, REST services do not have individual technical interfaces but instead share a common technical interface that is known as the uniform contract, which is typically established via the use of HTTP methods.

The six REST design constraints are:

  • Client-Server
  • Stateless
  • Cache
  • Interface / Uniform Contract
  • Layered System
  • Code-On-Demand Each design constraint is described in detail at www.whatisrest.com.

Note

To learn more about REST services read SOA with REST: Principles, Patterns & Constraints for Building Enterprise Solutions with REST from the Prentice Hall Service Technology Series from Thomas Erl. See www.servicetechbooks.com/rest for details.