Web-oriented architecture
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Web-oriented architecture (WOA) was coined in 2006 by Nick Gall of the Gartner's group. It is a
software architecture Software architecture is the fundamental structure of a software system and the discipline of creating such structures and systems. Each structure comprises software elements, relations among them, and properties of both elements and relations. ...
style that extends
service-oriented architecture In software engineering, service-oriented architecture (SOA) is an architectural style that focuses on discrete services instead of a monolithic design. By consequence, it is also applied in the field of software design where services are provide ...
(SOA) to web-based applications. WOA was originally created by many web applications and sites, such as social websites and personal websites.


Definitions

The official Gartner definition of Web-Oriented Architecture: Nick Gall also gives a mathematical formula for defining "WOA = SOA + WWW + REST". Dion Hinchcliffe claims WOA to be:


The WOA stack

*Distribution (HTTP, feeds) *Composition (Hypermedia, Mashups) *Security (OpenID, SSL) *Data Portability (XML, RDF) *Data Representation (ATOM, JSON) *Transfer Methods (REST, HTTP, BitTorrent)


Enterprise

Enterprise Web Oriented Architecture (EWOA) is a sub-style of Enterprise Service Oriented Architecture (ESOA). EWOA is defined as the sets of web-based architectural elements, environments, principals and processes. There is an expanding set of tools building mashups from WOA resources. These tools are beneficial to IT developers to create interoperability and integration. New applications and websites, such as Google AdSense, Wikipedia and other RESTful services are using WOA, which is gaining attention from the research community and the industry. Current WOA examples include Google's OpenSocial and MindTouch.


Mobile API

Mobile
API An application programming interface (API) is a way for two or more computer programs to communicate with each other. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how ...
s are based on becoming more focused in using WOA technology. Creating these services have become easier using simplified web protocols, e.g. REST and
JSON JSON (JavaScript Object Notation, pronounced ; also ) is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays (or other ser ...
(JavaScript Object Notation). These protocols are much easier for web developers, as they require less CPU and bandwidth. They are more recognised because of large social platforms, such as Facebook, Amazon and Twitter etc.


Differences between WOA and SOA

Web-Oriented Architecture (WOA) is a subset of Service-Oriented Architecture (SOA). SOA (service-oriented architecture) is a modular approach to software development based on the use of distributed, loosely coupled interchangeable components with standardised interfaces for communication over standardised protocols. Web-oriented architecture differs in that it uses a REST approach. REST (Representational State Transfer) is an approach to the architecture of networking protocols that provide access to information resources. Web architecture involves studying the target user, to optimise the website in terms of user flow and structure. The best known system built largely on REST architecture is the modern World Wide Web. Data must be transmitted in a small number of standard formats (e.g. HTML, XML, JSON). The network protocol supports caching, does not depend on a network layer, and does not store state information between request-response pairs. This approach ensures scalability of the system and allows it to easily evolve with new requirements.


See also

*
Service-oriented architecture In software engineering, service-oriented architecture (SOA) is an architectural style that focuses on discrete services instead of a monolithic design. By consequence, it is also applied in the field of software design where services are provide ...
(SOA) *
Resource-oriented architecture In software engineering, a resource-oriented architecture (ROA) is a style of software architecture and programming paradigm for supportive designing and developing software in the form of Internetworking of System resource, resources with "Represen ...
(ROA) *
Microservices A microservice architecture – a variant of the service-oriented architecture structural style – is an architectural pattern that arranges an application as a collection of loosely-coupled, fine-grained services, communicating through lightw ...


References

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External links


Web Oriented Architecture at Oracle

Web Oriented Architecture at Gluecon 2010

WOA: Putting the Web Back in Web Services

Lean Development Applied to SOA

WOA: A New Enterprise Partner for Linked Data
Service-oriented (business computing) Enterprise application integration Software architecture