<font size=2 face="sans-serif">It might be most efficient to first follow
Nat's suggestion of gathering requirements via the wiki. In a recent
WG meeting he noted that back-channel support had come up a couple of times,
and that we was going to pursue following up on it once OIDC was announced.<br>
</font>
<br>
<table width=223 style="border-collapse:collapse;">
<tr height=8>
<td width=223 bgcolor=white style="border-style:solid;border-color:#000000;border-width:0px 0px 0px 0px;padding:0px 0px;"><font size=1 face="Verdana"><b><br>
<br>
<br>
Todd Lainhart<br>
Rational software<br>
IBM Corporation<br>
550 King Street, Littleton, MA 01460-1250</b></font><font size=1 face="Arial"><b><br>
1-978-899-4705<br>
2-276-4705 (T/L)<br>
lainhart@us.ibm.com</b></font></table>
<br>
<br>
<br>
<br>
<br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Pedro Felix <pmhsfelix@gmail.com></font>
<br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">Todd W Lainhart/Lexington/IBM@IBMUS,
</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Cc:
</font><font size=1 face="sans-serif">John Bradley <ve7jtb@ve7jtb.com>,
openid-specs-ab@lists.openid.net, openid-specs-ab-bounces@lists.openid.net</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">03/12/2014 08:03 PM</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [Openid-specs-ab]
Session cleanup via back-channel</font>
<br>
<hr noshade>
<br>
<br>
<br><font size=3>Do you have anything that can be used for a first protocol
sketch?</font>
<br>
<br><font size=3>Thanks</font>
<br><font size=3>Pedro</font>
<br><font size=3><br>
</font>
<br><font size=3>On Wed, Mar 12, 2014 at 8:51 PM, Todd W Lainhart <</font><a href=mailto:lainhart@us.ibm.com target=_blank><font size=3 color=blue><u>lainhart@us.ibm.com</u></font></a><font size=3>>
wrote:</font>
<br><font size=3 face="sans-serif">John/Pedro - we've also done something
in this space.</font><font size=3><br>
</font>
<table width=223 style="border-collapse:collapse;">
<tr height=8>
<td width=221 bgcolor=white style="border-style:solid;border-color:#000000;border-width:0px 0px 0px 0px;padding:1px 1px;"><font size=1 face="Verdana"><b><br>
<br>
<br>
Todd Lainhart<br>
Rational software<br>
IBM Corporation<br>
550 King Street, Littleton, MA 01460-1250</b></font><font size=1 color=blue face="Arial"><b><u><br>
</u></b></font><a href="tel:1-978-899-4705" target=_blank><font size=1 color=blue face="Arial"><b><u>1-978-899-4705</u></b></font></a><font size=1 face="Arial"><b><br>
2-276-4705 (T/L)</b></font><font size=1 color=blue face="Arial"><b><u><br>
</u></b></font><a href=mailto:lainhart@us.ibm.com target=_blank><font size=1 color=blue face="Arial"><b><u>lainhart@us.ibm.com</u></b></font></a></table>
<br><font size=3><br>
<br>
<br>
<br>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
From: </font><font size=1 face="sans-serif">John
Bradley <</font><a href=mailto:ve7jtb@ve7jtb.com target=_blank><font size=1 color=blue face="sans-serif"><u>ve7jtb@ve7jtb.com</u></font></a><font size=1 face="sans-serif">></font><font size=3>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
To: </font><font size=1 face="sans-serif">Pedro
Felix <</font><a href=mailto:pmhsfelix@gmail.com target=_blank><font size=1 color=blue face="sans-serif"><u>pmhsfelix@gmail.com</u></font></a><font size=1 face="sans-serif">>,
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
Cc: </font><a href="mailto:openid-specs-ab@lists.openid.net" target=_blank><font size=1 color=blue face="sans-serif"><u>openid-specs-ab@lists.openid.net</u></font></a><font size=3>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
Date: </font><font size=1 face="sans-serif">03/12/2014
02:58 PM</font><font size=3> </font><font size=1 color=#5f5f5f face="sans-serif"><br>
Subject: </font><font size=1 face="sans-serif">Re:
[Openid-specs-ab] Session cleanup via back-channel</font><font size=3>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
Sent by: </font><a href="mailto:openid-specs-ab-bounces@lists.openid.net" target=_blank><font size=1 color=blue face="sans-serif"><u>openid-specs-ab-bounces@lists.openid.net</u></font></a><font size=3>
<br>
</font>
<hr noshade>
<br><font size=3><br>
<br>
</font><tt><font size=3><br>
We have discussed creating a backchannel push method for the IdP to notify
the RP. <br>
<br>
So far noting is written up. I have a bad feeling that it might be
me that needs to create the first draft.<br>
<br>
John B.<br>
<br>
On Mar 12, 2014, at 3:54 PM, Pedro Felix <</font></tt><a href=mailto:pmhsfelix@gmail.com target=_blank><tt><font size=3 color=blue><u>pmhsfelix@gmail.com</u></font></tt></a><tt><font size=3>>
wrote:<br>
<br>
> Hi,<br>
> <br>
> I've a scenario where a OIDC OP is acting as a bridge between upstream
IdPs using non-OIDC protocols (e.g Shibboleth) and downstream RPs using
OIDC.<br>
> In this scenario I have the following requirements<br>
> 1) The upstream IdP notifies the OP of a session termination
via back-channel<br>
> 2) The OP propagate this cleanup notification to the downstream
RPs, also via back-channel (a back-channel to front-channel is not possible)<br>
> <br>
> Unfortunately, the OIDC session management spec does not provide any
way to perform this back-channel cleanup, however I remember reading some
meeting notes about this possibility.<br>
> <br>
> Is there anything that can be shared? I would like to align our solution
with what is being developed by this working group.<br>
> <br>
> Thanks<br>
> Pedro<br>
> _______________________________________________<br>
> Openid-specs-ab mailing list<br>
> </font></tt><a href="mailto:Openid-specs-ab@lists.openid.net" target=_blank><tt><font size=3 color=blue><u>Openid-specs-ab@lists.openid.net</u></font></tt></a><tt><font size=3><br>
> </font></tt><a href="http://lists.openid.net/mailman/listinfo/openid-specs-ab" target=_blank><tt><font size=3 color=blue><u>http://lists.openid.net/mailman/listinfo/openid-specs-ab</u></font></tt></a>
<br><tt><font size=3><br>
<br>
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