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<p class="MsoNormal"><span style="color:#1F497D">The fourth spec version is attached.  Changes were:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo3"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">        
</span></span></span><![endif]>Added <span style="font-family:"Courier New"">iss</span> (Issuer) query parameter to disambiguate potential
<span style="font-family:"Courier New"">sid</span> (Session ID) value conflicts between OPs.
<span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo3"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">        
</span></span></span><![endif]>Renamed metadata parameters that used to contain the string “<span style="font-family:"Courier New"">sid</span>”.<span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">                                                                -- Mike<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Openid-specs-ab [mailto:openid-specs-ab-bounces@lists.openid.net]
<b>On Behalf Of </b>Mike Jones<br>
<b>Sent:</b> Friday, February 20, 2015 5:11 PM<br>
<b>To:</b> openid-specs-ab@lists.openid.net<br>
<b>Subject:</b> Re: [Openid-specs-ab] OpenID Connect Logout using HTTP GET<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It never seems to fail – you send something out then you immediately realize what’s wrong with it. ;-)  In this case, I realized that the “sid” (Session ID)
 isn’t sufficient, in general, for the RP to identify the session that the logout request pertains to, since the “sid” is issuer-specific (just like “sub” is).  The RP also needs to know the issuer.  The most straightforward way to provide this is probably
 also having an “iss=<i>issuer</i>” query parameter for the logout request to the RP, in addition to the “sid=<i>sessionID</i>” query parameter.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Comments?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">                                                                -- Mike<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Openid-specs-ab [<a href="mailto:openid-specs-ab-bounces@lists.openid.net">mailto:openid-specs-ab-bounces@lists.openid.net</a>]
<b>On Behalf Of </b>Mike Jones<br>
<b>Sent:</b> Friday, February 20, 2015 4:37 PM<br>
<b>To:</b> <a href="mailto:openid-specs-ab@lists.openid.net">openid-specs-ab@lists.openid.net</a><br>
<b>Subject:</b> Re: [Openid-specs-ab] OpenID Connect Logout using HTTP GET<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A third iteration of the proposed OpenID Connect spec on logout using HTTP GET is attached.  (It’s now a two-pager.) This incorporates the results of the useful discussion on Thursday’s call.  Keep those cards and letters coming!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Changes were:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">        
</span></span></span><![endif]>Replaced the optional <span style="font-family:"Courier New"">
id_token</span> parameter with an optional <span style="font-family:"Courier New"">
sid</span> (Session ID) parameter.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">        
</span></span></span><![endif]>Enabled the use of iframes with nested images or iframes to achieve downstream logouts.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">                                                            -- Mike<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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