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REST (Representational State Transfer) is a software architectural style that was created to describe the design and guide the development of the architecture for the World Wide Web. REST defines a set of constraints for how the architecture of a distributed, Internet-scale hypermedia system, such as the Web
Computer engineers frequently hold up REST as an approach to developing web services, [8] as an alternative to other distributed-computing specifications such as SOAP. Fielding has also been heavily involved in the development of HTML and Uniform Resource Identifiers .
The Resource Oriented Architecture, as documented by Leonard Richardson and Sam Ruby in their 2007 book RESTful Web Services, [3] gives concrete advice on specific technical details. Naming these collections of guidelines "Resource Oriented Architecture" may allow developers to discuss the benefits of an architecture in the context of ROA.
There are two previous major description languages: WSDL 2.0 (Web Services Description Language) and WADL (Web Application Description Language). Neither is widely adopted in the industry for describing RESTful APIs, citing poor human readability of both and WADL being actually unable to fully describe a RESTful API.
Service provider It creates a web service and provides its information to the service registry. Each provider debates upon a lot of hows and whys like which service to expose, which to give more importance: security or easy availability, what price to offer the service for and many more.
Hypermedia as the engine of application state (HATEOAS) is a constraint of the REST software architectural style that distinguishes it from other network architectural styles. [ 1 ] With HATEOAS, a client interacts with a network application whose application servers provide information dynamically through hypermedia .
The RESTful Service Description Language (RSDL) is a machine- and human-readable XML description of HTTP-based web applications (typically REST web services). [1]The language (defined by Michael Pasternak during his work on oVirt RESTful API) allows documenting the model of the resource(s) provided by a service, the relationships between them, and operations and the parameters that must be ...
The aim of the research of the model as stated by the author was to find out the relationship between the constraints of REST and other forms of web services. [1] It divides the principal parts of RESTful design into three steps: resource identification , HTTP verbs, and hypermedia controls (e.g. hyperlinks). [2]