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--></style></head><body lang=ES link=blue vlink=purple style='word-wrap:break-word;-webkit-nbsp-mode: space;line-break:after-white-space'><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;mso-fareast-language:EN-US'>Renumbering is possible, but you are missing in your list implications such as renumbering the DNS and making sure that the servers work with the old and the new addresses for some hours, interruptions in live session, etc., etc.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;color:black'>Regards,<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US style='font-size:12.0pt;color:black;mso-fareast-language:EN-US'>Jordi<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US style='font-size:12.0pt;color:black;mso-fareast-language:EN-US'>@jordipalet<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US style='font-size:12.0pt;color:black;mso-fareast-language:EN-US'><o:p> </o:p></span></p></div><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div><p class=MsoNormal style='margin-left:35.4pt'>El 13/9/21 19:44, "ARIN-PPML en nombre de Owen DeLong via ARIN-PPML" <<a href="mailto:arin-ppml-bounces@arin.net">arin-ppml-bounces@arin.net</a> en nombre de <a href="mailto:arin-ppml@arin.net">arin-ppml@arin.net</a>> escribió:<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><p class=MsoNormal style='margin-left:35.4pt'>I disagree…<o:p></o:p></p><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>Renumbering a wisely deployed network in IPv6 is _MUCH_ less overhead and much much easier (and faster) in IPv6 than it was in IPv4, even on large-ish scales.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>There’s on PA-ISP lockin in IPv6 unless you build your network stupidly.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>If you use DHCPv6 or SLAAC to assign addresses to the majority of your systems and static address your servers only, renumbering is relatively quick and<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>not particularly painful.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><span class=apple-tab-span> </span>1.<span class=apple-tab-span> </span>Connect the new ISP and add the new ranges to the routers.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><span class=apple-tab-span> </span>2.<span class=apple-tab-span> </span>Add the new address range(s) to the servers.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><span class=apple-tab-span> </span>3.<span class=apple-tab-span> </span>Change your SLAAC RAs and DHCP servers over to announcing the new addresses<o:p></o:p></p></div><div><div><p class=MsoNormal style='margin-left:35.4pt'><span class=apple-tab-span> </span>4.<span class=apple-tab-span> </span>Wait until the old addresses are deprecated off the interfaces of all the clients.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><span class=apple-tab-span> </span>5.<span class=apple-tab-span> </span>Remove the old address range(s) from the servers.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><span class=apple-tab-span> </span>6.<span class=apple-tab-span> </span>Remove the old address ranges from the routers.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><span class=apple-tab-span> </span>7.<span class=apple-tab-span> </span>Disconnect the old ISP<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>Personally, if I were running an SMB IT department, I’d much rather face the above 7 steps for each ISP changeover than the joys of ULA+NPTv6.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>OTOH, I’d probably just multi home in most cases, in which case, RIR /48 here I come, easy peasy, current policy.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>Owen<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-left:35.4pt'>On Sep 13, 2021, at 09:38 , Larry R. Dockery <<a href="mailto:lrdocker@co.douglas.or.us">lrdocker@co.douglas.or.us</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:35.4pt'>Aside from it making ULA+NTPv6 a smart move, perhaps even best practice for the majority of businesses to adopt rather than allow PA-ISP lock-in, no.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>With the mentioned routing issue not being sustainable however, my proposal is likely DOA.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>Thank you.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div><p class=MsoNormal style='margin-left:35.4pt'><b>From:</b><span class=apple-converted-space> </span>Owen DeLong <<a href="mailto:owen@delong.com">owen@delong.com</a>><span class=apple-converted-space> </span><br><b>Sent:</b><span class=apple-converted-space> </span>Monday, September 13, 2021 9:00 AM<br><b>To:</b><span class=apple-converted-space> </span>Larry R. Dockery <<a href="mailto:lrdocker@co.douglas.or.us">lrdocker@co.douglas.or.us</a>><br><b>Cc:</b><span class=apple-converted-space> </span><a href="mailto:arin-ppml@arin.net">arin-ppml@arin.net</a><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [arin-ppml] Proposal - Remove Initial Small Assignment Requirements for IPv6<o:p></o:p></p></div></div></div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>Is there a reason that you think the majority of small businesses that are not going to multi home should<o:p></o:p></p></div><div><div><p class=MsoNormal style='margin-left:35.4pt'>receive PI addresses rather than use PA?<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'>I’m neither in favor nor opposed at this time, but the answer to the above question is pivotal to whether<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'>this proposal serves an actual need or merely panders to the idea of PI for everybody, which until we<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'>change our routing technology to separate locators from identifiers isn’t sustainable.<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'>Owen<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div><div><div><p class=MsoNormal style='margin-left:35.4pt'><br><br><br><o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='margin-left:35.4pt'>On Sep 13, 2021, at 07:51 , Larry R. Dockery <<a href="mailto:lrdocker@co.douglas.or.us">lrdocker@co.douglas.or.us</a>> wrote:<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div><div><div><div><p class=MsoNormal style='margin-left:35.4pt'><a href="https://www.arin.net/participate/policy/proposals/2021/ARIN_prop_301_orig/">https://www.arin.net/participate/policy/proposals/2021/ARIN_prop_301_orig/</a><o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'> <o:p></o:p></p></div></div><div><div><p class=MsoNormal style='margin-left:35.4pt'>I would like to hear community feedback on this proposal. Thank you.<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-left:35.4pt'><span style='font-size:9.0pt;font-family:Helvetica'>_______________________________________________<br>ARIN-PPML<br>You are receiving this message because you are subscribed to<br>the ARIN Public Policy Mailing List (</span><a href="mailto:ARIN-PPML@arin.net"><span style='font-size:9.0pt;font-family:Helvetica'>ARIN-PPML@arin.net</span></a><span style='font-size:9.0pt;font-family:Helvetica'>).<br>Unsubscribe or manage your mailing list subscription at:<br></span><a href="https://lists.arin.net/mailman/listinfo/arin-ppml"><span style='font-size:9.0pt;font-family:Helvetica'>https://lists.arin.net/mailman/listinfo/arin-ppml</span></a><span style='font-size:9.0pt;font-family:Helvetica'><br>Please contact<span class=apple-converted-space> </span></span><a href="mailto:info@arin.net"><span style='font-size:9.0pt;font-family:Helvetica'>info@arin.net</span></a><span class=apple-converted-space><span style='font-size:9.0pt;font-family:Helvetica'> </span></span><span style='font-size:9.0pt;font-family:Helvetica'>if you experience any issues.</span><o:p></o:p></p></div></div></blockquote></div></div></div></blockquote></div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><p class=MsoNormal style='margin-left:35.4pt'>_______________________________________________ ARIN-PPML You are receiving this message because you are subscribed to the ARIN Public Policy Mailing List (ARIN-PPML@arin.net). 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