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<p class="MsoNormal">Do we have permission to circulate this wider?<o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">Jeff Neuman</span></b><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">Senior Vice President <o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">Com Laude | Valideus</span></b><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">D: +1.703.635.7514<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">E:
</span><u><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0563C1"><a href="mailto:jeff.neuman@comlaude.com">jeff.neuman@comlaude.com</a><o:p></o:p></span></u></p>
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<p class="MsoNormal"><b>From:</b> NCAP-Discuss <ncap-discuss-bounces@icann.org> <b>
On Behalf Of </b>Matt Larson<br>
<b>Sent:</b> Tuesday, September 3, 2019 12:48 PM<br>
<b>To:</b> ncap-discuss@icann.org<br>
<b>Subject:</b> [NCAP-Discuss] Fwd: [Ext] JAS no-bid on NCAP Study 1<o:p></o:p></p>
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<p class="MsoNormal">Dear colleagues, <o:p></o:p></p>
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<p class="MsoNormal">David Conrad and I thought the email below from Jeff Schmidt (who is known to most of you based on his firm's previous work on name collisions) was worth forwarding to this group, which we are doing with Jeff's permission.<o:p></o:p></p>
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<p class="MsoNormal">Matt<o:p></o:p></p>
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<p class="MsoNormal">Begin forwarded message:<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-family:"Helvetica Neue"">From: </span></b><span style="font-family:"Helvetica Neue"">Jeff Schmidt <<a href="mailto:jschmidt@jasadvisors.com">jschmidt@jasadvisors.com</a>></span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-family:"Helvetica Neue"">Subject: [Ext] JAS no-bid on NCAP Study 1</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-family:"Helvetica Neue"">Date: </span></b><span style="font-family:"Helvetica Neue"">August 27, 2019 at 11:25:49 AM EDT</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-family:"Helvetica Neue"">To: </span></b><span style="font-family:"Helvetica Neue"">Roy Arends <<a href="mailto:roy.arends@icann.org">roy.arends@icann.org</a>>, Matt Larson <<a href="mailto:matt.larson@icann.org">matt.larson@icann.org</a>>,
David Conrad <<a href="mailto:david.conrad@icann.org">david.conrad@icann.org</a>></span><o:p></o:p></p>
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<p class="MsoNormal">Hello Team ICANN!<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">JAS elected not to bid on the NCAP Study 1; thank you for the invitation and please keep us in mind for Study 2 if such a study occurs.<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">Our primary rationale for not bidding on Study 1 is simply that we don’t believe we have anything useful to add to the discussion given the limited scope of Study 1. We believe that at this point DNS namespace collisions are well understood
(albeit by a relatively small technical community) and that any further work product from JAS would largely be a restatement of our October 2015 Final Report. In the three years since our Final Report, our conclusions have been shown to be largely correct
and the mitigation strategy we proposed (“Controlled Interruption”) has had the desired effects. Many TLDs have been delegated and used in a variety of fashions at this point and – as we suggested – the few problems that surfaced were isolated and not serious.
Our definition of DNS namespace collisions and the causes/etiology as described in Sections 4 and 5 of our report still hold. At the end of the day, we can’t take your money if we don’t believe we have anything useful to add. ;-)<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">The one glaring failure and our great disappointment is that the IETF has refused to take-up our Recommendation #1 to clearly create an RFC 1918-like protected namespace for local use. Until this happens, DNS namespace collisions will
continue to occur; however, increased awareness should reduce the risk of widespread serious future problems (with the “corp-like” exception noted below). Given the lack of clarity of RFC 6762 (including errata), this issue will persist until folks are told
unambiguously the *<b>right</b>* way to do this.<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">We believe the datasets available to research collisions are also fairly well known – the DNS-OARC DITL data, data that may be made available from large recursive operators, and authoritative data acquired by acquiring/hosting known colliding
domains (the 30+ such domains JAS owns, Mike O’Connor’s<span class="apple-converted-space"> </span><a href="http://corp.com/"><span style="color:#954F72">corp.com</span></a>, etc). While these datasets have been available for years, extremely limited research
interest (essentially zero) has been shown in collision-related topics. <span class="apple-converted-space"> </span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">JAS remains concerned about the security implications of a small number of “special” domains – like .corp – including the ones that have not yet been discovered. The special nature of the string “corp” was not predictable a-priori and
highly esoteric; all future TLD application rounds should contain steps to identify potential corp-like “special” strings requiring exceptional treatment. JAS also remains concerned about the practice of “drop catching” which is essentially the intentional
discovery and monetization of DNS namespace collisions and referenced this practice in our Final report and in Recommendation #14. We would very much appreciate the opportunity to assist with these issues at some future point.<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">Happy to chat further feel free to reach out of course; just wanted to make sure I closed the loop since you invited a bid from us. Please do let whomever you select to perform Study 1 know that we’re happy to chat with them and provide
whatever historical information/assistance we can.<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">Thank you!<br>
Jeff<span style="font-size:12.0pt"><o:p></o:p></span></p>
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