<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Obviously this thread is going somewhat off-topic and my reply isn’t going to help matters - the idea that peer to peer is useless is a factor, but it’s more than that - it’s the fact that the vast majority of customers, service providers, and operators have come to view NAT and the use of private space as a form of security perimeter, and that allowing internal hosts/networks to be numbered from globally-routable space represents a security risk.<div class=""><br class=""></div><div class="">You, I, and most of the people reading PPML know that mindset is completely fallacious, but it’s quite pervasive and takes quite a bit of education to disabuse otherwise quite savvy operators of this notion.</div><div class=""><br class=""></div><div class="">It’s interesting that a lot of IPv6 evangelism that I’ve seen over the years doesn’t address this concern - IMO we should be spending quite a bit of energy fighting that mindset.</div><div class=""><br class=""></div><div class="">-C<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jan 15, 2021, at 11:39 PM, Owen DeLong <<a href="mailto:owen@delong.com" class="">owen@delong.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">The biggest problem surrounding IPv4 is this idea that peer to peer is useless and we should all accept the idea of provider/supplicant and second class citizens.</div><br class="Apple-interchange-newline"></div></blockquote></div><br class=""></div></body></html>