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<h1>Web Services Platform Elements</h1>
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<p class="intro">Web Services have three basic platform elements.</p>
<p class="intro">These are called SOAP, WSDL and UDDI.</p>
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<h2>What is SOAP?</h2>
<p><b>The basic Web services platform is XML plus HTTP.</b></p>
<ul>
<li>SOAP stands for Simple Object Access Protocol</li>
<li>SOAP is a communication protocol</li>
<li>SOAP is for communication between applications</li>
<li>SOAP is a format for sending messages</li>
<li>SOAP is designed to communicate via Internet </li>
<li>SOAP is platform independent</li>
<li>SOAP is language independent</li>
<li>SOAP is based on XML</li>
<li>SOAP is simple and extensible</li>
<li>SOAP allows you to get around firewalls</li>
<li>SOAP will be developed as a W3C standard</li>
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<p>Read more about SOAP on our <a href="../default.asp">Home page</a>.</p>
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<h2>What is WSDL?</h2>
<p><b>WSDL is an XML-based language for describing Web services and how to access them.</b></p>
<ul>
<li>WSDL stands for Web Services Description Language</li>
<li>WSDL is written in XML</li>
<li>WSDL is an XML document</li>
<li>WSDL is used to describe Web services</li>
<li>WSDL is also used to locate Web services</li>
<li>WSDL is not yet a W3C standard</li>
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<p>Read more about WSDL on our <a href="../default.asp">Home page</a>.</p>
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<h2>What is UDDI?</h2>
<p><b>UDDI is a directory service where businesses can register and search for Web services.</b></p>
<ul>
<li>UDDI stands for Universal Description, Discovery and Integration</li>
<li>UDDI is a directory for storing information about web services</li>
<li>UDDI is a directory of web service interfaces described by WSDL</li>
<li>UDDI communicates via SOAP</li>
<li>UDDI is built into the Microsoft .NET platform</li>
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<p>Read more about UDDI on our <a href="../default.asp">Home page</a>.</p>
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