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is a standard language used to describe the services offered and the functionality pro-

vided by each service.

So how is a web service used? Two enti-

ties collaborate with each other in a web

service implementation: the web service

consumer and the web service provider.

A web service provider provides the inter-

face and implementation for the web

services it provides through SOAP, while a

service consumer is a software that aims

at achieving a business objective (i.e. per-

forming a task) that can be accomplished

with the use of a web service. Each web

service provider registers its service in a

web services directory, next, the web ser-

vice consumer searches the directory for

a web service that can be used and inte-

grated to achieve the business objective

(UDDI).

There is a number of web service pro-

viders. Such providers include Google,

Amazon, eBay, PayPal, and FedEx. A web

service can perform simple tasks such as

calculations, google calendar operations,

weather forecasts to more advanced

tasks such as data transfer between

applications and performing banking

transactions.

In short, web services provide means of

integration, agility, and reusability for

enterprises and can greatly enhance

business operations.

3. Web Services Description Language (WSDL)

How do Web Services work?

Using web services!

July 2018

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DoIT Newsletter

May 28, 2024