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    On the flip side - all it would take would be either Google or
    Facebook or <other massive service> to announce they are going
    IPv6 only in x months and uptake would be pretty quick, but no one
    with commercial interests would ever do that, and anything with
    non-commercial interests is too small to make that dent.<br>
    <br>
    <div class="moz-cite-prefix">On 31/03/15 15:59, Greg Anderson wrote:<br>
    </div>
    <blockquote
cite="mid:CAAGFhy_sD2+2Nio+6PK3BYEFMmrsPWJ777xbkKHofLiogmytgA@mail.gmail.com"
      type="cite">
      <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 moz-do-not-send="true"
              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
                        moz-do-not-send="true"
                        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
                                moz-do-not-send="true"
                                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
                                              moz-do-not-send="true"
                                              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>
                      <br>
                    </div>
                  </div>
                  <span class="">_______________________________________________<br>
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                      target="_blank">http://lists.ausnog.net/mailman/listinfo/ausnog</a><br>
                    <br>
                  </span></blockquote>
              </div>
              <br>
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            <br>
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            <br>
          </blockquote>
        </div>
        <br>
        <br clear="all">
        <div><br>
        </div>
        -- <br>
        <div class="gmail_signature">
          <div dir="ltr">
            <div>
              <p style="margin:0px 0px
5px;line-height:14px;font-family:Arial,Helvetica,sans-serif;color:rgb(89,89,89)"><b
                  style="white-space:nowrap;font-size:small">Greg
                  Anderson</b><br>
              </p>
              <p style="font-size:small;margin:0px 0px
5px;line-height:14px;font-family:Arial,Helvetica,sans-serif;color:rgb(89,89,89)"><b
                  style="font-size:11px"><span
                    style="white-space:nowrap">Senior Network
                    Administrator </span>· <span
                    style="white-space:nowrap">Ray White Group</span></b></p>
              <p style="font-size:11px;margin:0px 0px
                5px;line-height:14px;font-family:Arial,Helvetica,sans-serif"><strong
                  style="color:rgb(89,89,89);white-space:nowrap">T</strong><span
                  style="color:rgb(89,89,89);white-space:nowrap">  </span><span
                  style="color:rgb(89,89,89);white-space:nowrap"><a
                    moz-do-not-send="true" href="tel:07%203231%202121"
                    value="+61732312111" style="color:rgb(17,85,204)"
                    target="_blank">07 3231 2121</a></span><br>
              </p>
              <p style="font-size:11px;margin:0px 0px
                5px;line-height:14px;font-family:Arial,Helvetica,sans-serif"><span
                  style="white-space:nowrap"><font color="#595959">L </font></span><span
                  style="color:rgb(89,89,89);font-family:'comic sans
                  ms',sans-serif;font-size:13px;line-height:normal">26,​
                   </span><span
                  style="font-size:13px;line-height:normal;color:rgb(0,0,0);font-family:'comic
                  sans ms',sans-serif">111​</span><span
                  style="font-size:13px;color:rgb(89,89,89)"> </span><span
                  style="font-size:13px;color:rgb(89,89,89)">Eagle
                  Street Brisbane Queensland 4000</span></p>
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      <pre wrap="">_______________________________________________
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