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<p class="MsoNormal"><i><span style="font-size:11.0pt;background:silver;mso-highlight:silver">“Since we require SWIP for IPv4 /24s”</span></i><i><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></i></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">ARIN also currently requires a SWIP for an IPv4 /29 , which makes “/60" a more applicable reference point; unless the intent is to minimize or eliminate SWIPs
for IPv6 (ISPs won’t mind).<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">Orin<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"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" 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"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> ARIN-PPML [mailto:arin-ppml-bounces@arin.net]
<b>On Behalf Of </b>William Herrin<br>
<b>Sent:</b> June-06-17 3:04 PM<br>
<b>To:</b> Leif Sawyer<br>
<b>Cc:</b> arin-ppml@arin.net<br>
<b>Subject:</b> Re: [arin-ppml] Draft Policy ARIN-2017-5: Equalization of Assignment Registration requirements between IPv4 and IPv6<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Jun 6, 2017 at 2:30 PM, Leif Sawyer <<a href="mailto:lsawyer@gci.com" target="_blank">lsawyer@gci.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">The boundaries at /60, /56, and /48 have all been discussed. If one is more favorable than<br>
the other, and you would like to see the proposal edited to use that one, we will certainly<br>
take that under advisory.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Leif,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">IMHO, IPv6 /48 = IPv4 /24. Since we require SWIP for IPv4 /24s, we should require it for IPv6 /48s.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'd be comfortable with "more than a /56" and "more than a /60." I prefer "more than a /56." <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I would oppose "/60 or more" or "/56 or more" because I believe that would encourage ISPs to engage in unhealthy assignment practices to avoid SWIP reporting, such as assigning /64s, /61s and /57s.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Regards,<o:p></o:p></p>
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<p class="MsoNormal">Bill Herrin<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">William Herrin ................ <a href="mailto:herrin@dirtside.com" target="_blank">
herrin@dirtside.com</a> <a href="mailto:bill@herrin.us" target="_blank">bill@herrin.us</a><br>
Dirtside Systems ......... Web: <<a href="http://www.dirtside.com/" target="_blank">http://www.dirtside.com/</a>><o:p></o:p></p>
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