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<p>of a number of companies, and was  as a standard in March 2007.</p>

<p>Using the extensions defined in WS-Trust, applications can engage in secure communication designed to work within the <a href="page.php?w=Web_services">Web services</a> framework.</p>

<p><big> Overview </big></p>
<p>WS-Trust defines a number of new elements, concepts and artifacts in support of that goal, including:<br/>
* the concept of a <a href="page.php?w=Security_Token_Service">Security Token Service</a> (STS) - a <a href="page.php?w=web_service">web service</a> that issues</p><p>
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