RESTful WEB SERVICES

SEMINAR MATERIALS ON RESTFUL WEB SERVICES

A Web service is a Web page that is meant to be consumed by an autonomous program. Web service requires an architectural style to make sense of them as there need not be a human being on the receiver end to make sense of them. REST (REpresentational State Transfer) represents the model of how the modern Web should work.

It is an architectural pattern that distills the way
the Web already works. REST provides a set of architectural constraints that, when applied as a whole, emphasizes scalability of component interactions, generality of interfaces, independent deployment of components, and intermediary components to reduce interaction latency, enforce security, and encapsulate legacy systems.

By its nature, user actions within a distributed hypermedia system require the transfer of large amounts of data from where the data is stored to where it is used. Thus, the Web architecture must be designed for large-grain data transfer. The architecture needs to minimize the latency as much as possible. It must be scalable, secure and capable of encapsulate legacy and new elements well, as Web is subjected to constant change. REST provides a set of architectural constraints that, when applied as a whole, address all above said issues.

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