Web services

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Web services

[′web ‚serv·ə·səs]
(computer science)
A collection of SML-based standards that enable electronic communication and interaction independently of the computer platforms or specific technologies used by the communication parties.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Web Services

(standard, programming, software)
A family of standards promoted by the W3C for working with other business, developers and programs through open protocols, languages and APIs, including XML, Simple Object Access Protocol, WSDL and UDDI.

W3C Web Services.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

Web services

(1) A Web service may refer to any capability delivered from a website. Since there are countless applications and services that emanate from the Web, such usage of the term is commonplace in articles from non-IT publications. Although the term may also appear in technical journals to refer to any offering on the Web, the astute journalist avoids such usage because "Web services" has a very specific definition (see definition #3).

(2) Amazon's cloud-based offerings are provided by the Amazon Web Services subsidiary. See Amazon Web Services.

(3) Another example of generic names coined for specific technologies (see naming fiascos), Web services also refers to an interface for a service oriented architecture, in which Web-based applications dynamically interact with each other using open standards that include XML, HTTP, UDDI and SOAP. Such applications typically run behind the scenes, one program "talking to" another, server to server or client to server. See service-oriented architecture.

Services are registered on the Internet so that applications can search for, find and seamlessly exchange data. Both desktop and mobile devices can use them, and if the service is fee based, payment processing is included. For mobile Web services protocols, see DPWS.

Private Implementations
Web services are also used when large enterprises need to exchange data with their divisions, subsidiaries or clients. In such controlled situations, the data being passed are easily defined. In addition, since Web services use open standards, vendors can supply customers with client-side software no matter what the platform.

CORBA and DCOM
In the past, the Web services style of architecture was occasionally realized within private networks using the industry standard CORBA and Microsoft's DCOM distributed component platforms. See CORBA and DCOM.

It's Just a Protocol
Web services define the format, transport and interface standards, not the meaning of the data exchanged. Before any Web service can be put into operation, there must be industry agreement on the vocabulary and functions each service component must provide (see ebXML). See Web services protocols and XML.


Web Services Protocol Stack
UDDI is used to register and discover the service described in the Web Services Description Language (WSDL). UDDI transactions use SOAP to talk to the UDDI server, and the application uses SOAP to request the service. SOAP messages are delivered by HTTP over TCP/IP. See SOAP, UDDI, HTTP and TCP/IP.
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References in periodicals archive ?
Web services are power-driven by eXtensibile Markup Language (XML) and other major tehnologies: Web Service Description Language (WSDL), Simple Object Access Protocol (SOAP) and Universal Description, Discovery and Integration (UDDI).
So, hybrid semantic web service discovery method is developed to improve the semantic web service discovery performance by making use of both logic based and IR based matching.
At the server's end, the serialised stream is deserialised, that is, reconstructed before being processed in order to extract the name of the web service and the input parameters, if any.
The right benchmarks which are relevant in assessing the performance of each type of web service have to be chosen.
UDDI is a directory service that provides Web Service for any company and possibility to publish their own services and to define how other application will interact with them.
With the development of information technology (IT), Web service and service-oriented architecture (SOA) are more commonly used in model sharing and model integration [2, 32-34].
Some web service providers may want to provide redundant node to avoid out-of-service situations.
Web service composition is operated in a dynamic network environment changing over time, where normal operations may be affected by uncertain factors, such as network change, web service failure and attacked by other parties [2].
M2 EQUITYBITES-January 21, 2015-Amazon Web Services partners with Pattern Energy to construct a wind farm in Benton county, Indiana
Charlotte, NC, May 10, 2014 --(PR.com)-- SMN Web Services (entity of Sunshine Marie Network) will use Constant Contact tools to create and build relationships with customers and prospects.