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Peter,<div><br></div><div>I'm sorry, I'm afraid I don't follow. What do you mean, IdP-centric and SP-centric?</div><div><br></div><div>InCommon today has roughly 75 IdP's and 35 SP's. By contrast, the Swiss federation SWITCHaai has roughly 35 IdP's and 250 SP's. Some SP's, like DreamSpark, support many federations. Others, like ScienceDirect, support subsets of existing federations that are their customers. Any SP can choose the set of IdP's it wants to display, support, and trust, including all-comers.</div><div><br></div><div>Wondering what else we could add to improve functionality for your needs,</div><div>Nate.</div><div><br></div><div><div><div>On 4 Nov 2008, at 13:15, Peter Williams wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(31, 73, 125); font-family: Calibri; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; ">I dont see much future in idp-centric federations in web2.0, to be honest - which is where I feel Shib’s design is biased. Of the various models, openid tends more to sp-centric federations, where ax update promotes what SAML calls sp-affiliations.</span></blockquote></div><br></div></body></html>