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The term Web Services describes a standardized way of integrating Web-based applications using XML (Extensible Markup Language)
and SOAP (Simple Object Access Protocol)
and other open standards over an Internet protocol backbone.
XML is used to tag the data and SOAP is used to transfer the data.
Used primarily as a means for businesses to communicate with each other and with clients,
Web Services allow organizations to communicate data without intimate knowledge of each other's IT systems
behind the firewall.
Unlike traditional client/server models, such as a Web server/Web page system,
Web Services do not provide the user with a GUI. Web services instead share business logic,
data and processes through a programmatic interface across a network.
Web Services allow different applications from different sources to communicate
with each other without time-consuming custom coding, and because all communication is in XML,
Web Services are not tied to any one operating system or programming language.
For example, .NET can talk with Java, Windows applications can talk with UNIX applications.
Major software companies such as Microsoft, Sun, IBM and Oracle have invested heavily into
Web Services technology and are collaborating to push the technology forward and to ensure interoperability.
Web Services offering valuable content have been deployed by Ebay, Google
Microsoft and others.
Web Services have changed the integration model for internet applications.
There is an ever-increasing focus on incorporating Web Services into new applications and existing infrastructure
in order to achieve standards-based information exchange.
This expanding universe of Web services allow applications to interact and exchange information freely,
and permit development to proceed unencumbered by proprietary communications constraints.
Web-based e-commerce applications developed by Espinneret are highly integrated with Web Services.
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