<div dir="ltr">I disagree with your statement, and I think that is because I don't really consider this a change in state the same way you do.<div><br></div><div>If we were talking colour, you would be saying we start at black, progress through grey and end up at white.</div><div><br></div><div>I see it as to seperate environments completely (as they are intended to be deployed dual stack).</div><div><br></div><div>One is black, and there is a lot of it (IPv4)</div><div>One is white, and there is less of it (IPv6)</div><div><br></div><div>In either of these, their state will change independently, but only directly in relation to itself (within reason). They may influence each other, but at this stage, and for the foreseeable future, IPv4 is not going anywhere. Hack jobs like CGNAT are going to keep extending its life, despite their drawbacks.</div><div><br></div><div>So maybe I am just clueless, but really the state change will be with IPv6 until it is ubiquitous, and only once that happens is there likely to be a state change in IPv4 (removal). That will start to occur the day someone does a test by pulling down the IPv4 network and testing, whilst finding no detrimental changes.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On 31 March 2015 at 14:40, Paul Wilkins <span dir="ltr"><<a href="mailto:paulwilkins369@gmail.com" target="_blank">paulwilkins369@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Please don't regard this as trolling, but there is not going to be, and cannot be, a gradual transition to IPv6. Consider this a state problem, where the current state is ipv4, and we want to move to ipv6. We can only make the transition when the marginal utility of ipv6 is greater than for ipv4, ie. dU/d$(ipv6) > dU/d$(ipv4) for users, carriers, and content providers. This will only happen with a forcing change. For the foreseable future, the lack of entropy precludes any transition from ipv4.<span class="HOEnZb"><font color="#888888"><br><br></font></span></div><span class="HOEnZb"><font color="#888888">Paul Wilkins<br></font></span></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On 31 March 2015 at 13:45, David Beveridge <span dir="ltr"><<a href="mailto:dave@bevhost.com" target="_blank">dave@bevhost.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Mar 31, 2015 at 10:53 AM, Mark ZZZ Smith <span dir="ltr"><<a href="mailto:markzzzsmith@yahoo.com.au" target="_blank">markzzzsmith@yahoo.com.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:Helvetica Neue-Light,Helvetica Neue Light,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"><div dir="ltr"><span>When was that?</span></div></div></div></blockquote><div>about two years ago. </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:Helvetica Neue-Light,Helvetica Neue Light,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"><div dir="ltr"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small"> </span></div></div></div></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:Helvetica Neue-Light,Helvetica Neue Light,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"> <div style="font-family:Helvetica Neue-Light,Helvetica Neue Light,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"><span> <div dir="ltr"> <hr size="1"> <font face="Arial"> <b><span style="font-weight:bold">From:</span></b> David Beveridge <<a href="mailto:dave@bevhost.com" target="_blank">dave@bevhost.com</a>><br></font></div></span><span><div><div><div><div><div><div dir="ltr"><div>I hosted several sites on dual stack servers for some time, </div><div><br></div></div></div></div></div></div></div></span></div></div></div></div></blockquote></div></div></div>
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