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<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">Hi,<o:p></o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">Registration of endpoints is an application level issue, not part of the generalized http level mechanism.<o:p></o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">With OAuth/OIDC we should follow the convention of registering endpoints with client registration and provider metadata.<o:p></o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">The UQ draft defines a new client registration value “client_notification_endpoint” for the callback, but would it not be possible to use “redirect_uris” for this purpose?<o:p></o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">The client callback endpoint is an entry in the redirect_uris array of client registration metadata. With a parameter of the request that starts async authentication client indicates
at which of the registered endpoints it wishes to receive the async callback. This is comparable to authorization code request.<o:p></o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">Petteri<o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="color:black">From:</span></b><span lang="EN-US" style="color:black"> Torsten Lodderstedt <torsten@lodderstedt.net><br>
<b>Sent:</b> Saturday, December 3, 2016 10:50:10 AM<br>
<b>To:</b> Petteri Stenius<br>
<b>Cc:</b> openid-specs-mobile-profile@lists.openid.net<br>
<b>Subject:</b> Re: [Openid-specs-mobile-profile] Async authentication with polling and callback
<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black">Hi Petteri,<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black">thanks for your proposal.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black">One question popped up when I read the sequence for the callback case: how does the server know where to send the callback in step 3?<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black">best regards,<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black">Torsten.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US" style="color:black"><br>
Am 01.12.2016 um 16:58 schrieb Petteri Stenius <</span><span style="color:black"><a href="mailto:Petteri.Stenius@ubisecure.com"><span lang="EN-US">Petteri.Stenius@ubisecure.com</span></a></span><span lang="EN-US" style="color:black">>:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black">Hello everybody<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">At the Paris meeting in September there was some discussion about polling and callback mechanisms related to asynchronous functions.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">These mechanisms exist in both UQ and SIBA draft specifications. Polling is also defined in OAuth Device Flow draft.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">This proposal is an attempt to generalize async polling and callback mechanisms:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l3 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Define polling on the http level, not an application level function<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l3 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Callback is only a simple notification request, a client initiated request is required to fetch the actual content<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">The two proposals work together, and make for example switching between polling and callback mechanisms very easy.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Petteri<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="color:black">Polling defined on the http level</span></b><span lang="EN-US" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Define mechanism with HTTP 303 redirect and Retry-After response header.</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:black">
</span><span lang="EN-US" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">303 redirect is used to define polling as sequence of http redirects the client follows until async operation completes and response appears.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">The client MUST wait time indicated by Retry-After header before following a redirect. Failing to do so would result in 503 Service Unavailable error (with Retry-After header).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Semantics is comparable to "Wait a moment, the response will soon appear at this location"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">The server is allowed to implement "long polling" by holding a response up to 30 seconds (see
<a href="https://tools.ietf.org/html/rfc6202#section-5.5">https://tools.ietf.org/html/rfc6202#section-5.5</a>)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Example of polling sequence:</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l2 level1 lfo4">
<![if !supportLists]><span style="color:black"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Client begins async operation</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">POST /begin-async-operation HTTP/1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l2 level1 lfo4">
<![if !supportLists]><span style="color:black"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Server response with 303 status indicates client must begin polling for response. Server encodes state into querystring of redirect uri</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">HTTP/1.1 303 See Other</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Location: /async-response?opaque-server-state-1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Retry-After: 10</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l2 level1 lfo4">
<![if !supportLists]><span lang="EN-US" style="color:black"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Client waits at least 10 seconds before following the redirect<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">GET /async-response?opaque-server-state-1 HTTP/1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l2 level1 lfo4">
<![if !supportLists]><span lang="EN-US" style="color:black"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Server response with new uri where querystring has changed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">HTTP/1.1 303 See Other<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Location: /async-response?opaque-server-state-2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Retry-After: 10</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l2 level1 lfo4">
<![if !supportLists]><span lang="EN-US" style="color:black"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Client again waits before following the redirect<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">GET /async-response?opaque-server-state-2 HTTP/1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l2 level1 lfo4">
<![if !supportLists]><span lang="EN-US" style="color:black"><span style="mso-list:Ignore">6.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Server response with content when async operation has completed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">HTTP/1.1 200 OK<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">"completed"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="color:black">Callback is a simple notification request</span></b><span lang="EN-US" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">My proposal for callback mechanism is a simple notification request.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Server encodes any state it needs into querystring of the notification request.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">For the client the querysring is opaque and the client must pass it as-is when fetching the actual content from the server.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Using a simple notification request removes the requirement for client to authenticate the callback request from server.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Example of callback sequence:</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span style="color:black"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Client begins async operation</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">POST /begin-async-operation HTTP/1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span lang="EN-US" style="color:black"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Server response with 202 status indicates client needs to wait for callback<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">HTTP/1.1 202 Accepted</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span style="color:black"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">When async operation completes server sends a notification request to client. Server encodes state into querystring of notification uri</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">GET /callback?opaque-server-state-3 HTTP/1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span lang="EN-US" style="color:black"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Client response is not processed by server<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">HTTP/1.1 204 No Content</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span lang="EN-US" style="color:black"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Client creates request uri and fetches content from server<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">GET /async-response?opaque-server-state-3 HTTP/1.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span style="color:black"><span style="mso-list:Ignore">6.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="color:black">Server response with content</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">HTTP/1.1 200 OK</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">"completed"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="color:black">Related discussion</span></b><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">[Openid-specs-mobile-profile] Async authentication<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><a href="http://lists.openid.net/pipermail/openid-specs-mobile-profile/Week-of-Mon-20161010/000615.html"><span lang="EN-US">http://lists.openid.net/pipermail/openid-specs-mobile-profile/Week-of-Mon-20161010/000615.html</span></a></span><span lang="EN-US" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">[OAUTH-WG] polling in the device flow<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"><a href="https://www.ietf.org/mail-archive/web/oauth/current/msg02939.html">https://www.ietf.org/mail-archive/web/oauth/current/msg02939.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">[OAUTH-WG] Device Flow: Alternative to Polling<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:black"><a href="https://www.ietf.org/mail-archive/web/oauth/current/msg16723.html">https://www.ietf.org/mail-archive/web/oauth/current/msg16723.html</a></span><span lang="EN-US" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="color:black">References</span></b><span lang="EN-US" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">OAuth 2.0 Device Flow<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"><a href="https://tools.ietf.org/html/draft-ietf-oauth-device-flow-03">https://tools.ietf.org/html/draft-ietf-oauth-device-flow-03</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">HTTP/1.1 Semantics and Content<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"><a href="https://tools.ietf.org/html/rfc7231">https://tools.ietf.org/html/rfc7231</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Retry-After<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:black"><a href="https://tools.ietf.org/html/rfc7231#section-7.1.3">https://tools.ietf.org/html/rfc7231#section-7.1.3</a>
</span><span lang="EN-US" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Best Practices for the Use of Long Polling<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"><a href="https://tools.ietf.org/html/rfc6202">https://tools.ietf.org/html/rfc6202</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black"> <o:p></o:p></span></p>
</div>
</blockquote>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;color:black;mso-fareast-language:FI">_______________________________________________<br>
Openid-specs-mobile-profile mailing list<br>
</span><span style="font-size:12.0pt;color:black;mso-fareast-language:FI"><a href="mailto:Openid-specs-mobile-profile@lists.openid.net"><span lang="EN-US">Openid-specs-mobile-profile@lists.openid.net</span></a></span><span lang="EN-US" style="font-size:12.0pt;color:black;mso-fareast-language:FI"><br>
</span><span style="font-size:12.0pt;color:black;mso-fareast-language:FI"><a href="http://lists.openid.net/mailman/listinfo/openid-specs-mobile-profile"><span lang="EN-US">http://lists.openid.net/mailman/listinfo/openid-specs-mobile-profile</span></a></span><span lang="EN-US" style="font-size:12.0pt;color:black;mso-fareast-language:FI"><o:p></o:p></span></p>
</div>
</blockquote>
</div>
</div>
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