How will SOAP impact .Net application development?

How will SOAP impact .Net application development?
Kennard Scribner and Mark C. Stiver

This tip comes from InformIT and examines the prospects of .Net development with other systems with the use of SOAP. This information can help prepare you for using your existing infrastructure to gain an e-business presence.

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The architectural model that Microsoft proposes will enhance the traditional client/server relationship you're used to seeing with distributed applications by introducing Microsoft .Net. Normally, a client (such as a browser, but it could be a thick client of any variety) connects to an HTTP server and accesses information internal to the server. The server may implement all manner of n-tier code, access a variety of back office data stores, and apply a vast number of business rules to the client's request. Typically, though, the server presents data internal to that site.

Traditional distributed client/server architecture.

The .Net platform allows you to create any number of web services that provide capabilities, via the Internet, designed to enhance such traditional servers. That is, the client can now connect to a given server, which is then free to easily access information remote from that server, process it in some fashion, and then present the sum of that information to the client.

Distributed client/server architecture using Web Services.

A Web Service is a programmable URI that makes accessing a Web site--or exposing information to be returned from a Web site--as easy as creating and using an object. In a sense, you program your distributed application using resources accessible to you without concern (or with little concern) as to whether those resources are local to your system. Your application's view of the Internet is that the Internet provides a smorgasbord of objects you can interact with to get your job done.

Naturally, the way Web Services deal with each other and with remote clients is by using SOAP, or by employing other, simpler protocols, depending upon their individual natures. This allows you to seamlessly share information with business partners (much like BizTalk) while providing a powerful and easy programming model.

Web Services are created using ASP+ and SDL. They're accessed through the Microsoft .NET Framework, which introduces the C# language (pronounced "C-Sharp", as in the musical notation).

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Read more about SOAP on InformIT. Registration is required, but it's free.


This was first published in December 2000

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