Microsoft .NET marketing has created a huge hype about its Web Services. This is the first of two articles on Web Services. Here we will create a .NET Web Service using C#. We will look closely at the Discovery protocol, UDDI, and the future of the Web Services. In the next article, we will concentrate on consuming existing Web Services on multiple platforms (i.e., Web, WAP-enabled mobile phones, and windows applications).
What is a Web Service?
Web Services are a very general model for building applications and can be implemented for any operation system that supports communication over the Internet. Web Services use the best of component-based development and the Web. Component-base object models like Distributed Component Object Model (DCOM), Remote Method Invocation (RMI), and Internet Inter-Orb Protocol (IIOP) have been around for some time. Unfortunately all these models depend on an object-model-specific protocol. Web Services extend these models a bit further to communicate with the Simple Object Access Protocol (SOAP) and Extensible Markup Language (XML) to eradicate the object-model-specific protocol barrier.
Read more here at..
http://www.15seconds.com/issue/010430.htm and one more article at
http://www.15seconds.com/issue/010530.htm
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