http://blogs.msdn.com/b/justinjsmith/archive/2008/02/27/claims-and-the-calculator-sample-in-the-biztalk-services-sdk.aspxThe identity provider in BizTalk Services is a way for applications to delegate identity and access control to a hosted service. In other words, an application can use BizTalk Services to answer the all-important question &quot;Who are you and what areen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/justinjsmith/archive/2008/02/27/claims-and-the-calculator-sample-in-the-biztalk-services-sdk.aspx#8388144Sun, 13 Apr 2008 21:43:32 GMT91d46819-8472-40ad-a661-2c78acb4018c:8388144Airline Travel &raquo; Claims and the Calculator sample in the BizTalk Services SDK<p>PingBack from <a rel="nofollow" target="_new" href="http://www.travel-hilarity.com/airline_travel/?p=3662">http://www.travel-hilarity.com/airline_travel/?p=3662</a></p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=8388144" width="1" height="1">