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    <div class="moz-cite-prefix"><font size="4">Hi, Pascal:</font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">0)    As the good old
        saying stated: "A picture is worth one thousand words." Let's
        take advantage of such a teaching.</font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">1)    Focusing at just
        the text before and after Figure 1 of your below draft, I found:
           <br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">    <a
          class="moz-txt-link-freetext"
href="https://datatracker.ietf.org/doc/html/draft-thubert-v6ops-yada-yatt-01">https://datatracker.ietf.org/doc/html/draft-thubert-v6ops-yada-yatt-01</a></font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">    A.    " In the
        analogy of a building, <b><i>the ground floor would be the
            Interne</i></b>t, and each additional floor would be <b><i>another
            IPv4 realm</i></b>.  ...  analog to <b><i>the full IPv4</i></b><b><i> 
            addressing </i></b>that is available in each realm.  ":   
        Unless there is certain hidden refinement that I could not
        decipher, the combination of the three phrases highlighted above
        by me seems to refer to the entire IPv4 netblock, addresses and
        practices, etc., all inclusive. (By the way, the phrase "ground
        floor" appears to contradict the "(current IPv4 Internet)" label
        in the figure that is on the top floor (realm 1) of a building.
        Unless, you are presenting an underground building? But, we can
        regard this as a minor typo.)</font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">    B.    " ... A single
        /24 IPv4 prefix assigned allows for<b><i> > 250 times the
            capacity of the Internet as we know it </i></b>...   ":   
        Are you visualizing that your YADA / YATT draft proposes
        creating >250 layers of cyberspace, each with the same
        capacity of the current Internet? If so, it will be fantastic.
        Then, how can you physically deploying that many layers, each
        fully covering the entire globe, yet without stepping on one
        another's toes (the identical IP addresses packed >250 deep)?
        That is, I failed to imagine what kind of mechanism that you
        have for isolating the layers, such as populating people
        accordingly.<br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">Please clarify.<br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">Regards,</font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">Abe (2022-04-02 12:22
        EDT)<br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4"><br>
      </font></div>
    <div class="moz-cite-prefix"><font size="4">    </font><br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">On 2022-04-02 04:56, Pascal Thubert
      (pthubert) wrote:<br>
    </div>
    <blockquote type="cite"
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        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt">That does not need to be long,
              Abe. <o:p></o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt">There’s no minimal interval
              between version. I already published 01… And I do not have
              a special address format beyond what’s in the draft
              already. It’s only IPv4 and IPv6. No new address format.
              Just assigned ranges, and well known IIDs.<o:p></o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt">To your point: the addresses in
              each realm are the full IPv4 that we know and they cannot
              talk directly between realms. They are indeed isolated.
              Nodes in different floors can only communicate through the
              shaft. Think of a human and a stairwell. The physical
              space reserved for the stair well at each level is the
              same.  What people do with the rest of the space is their
              own. All addresses and AS numbers are reusable.<o:p></o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt">I do not see you image of a
              sphere. My image of  a sphere is IPv6, that contains all
              the IPv4 “planes”, the shaft, and all the air in between.<o:p></o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt">You design uses the internet as
              shaft if you like. In that we differ. YADA leaves the
              internet as is, and allows to build other internets that
              cannot leak in one another. But participating nodes can
              communicate through the shaft.<o:p></o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt">If end nodes do not participate,
              then a stateful Nat is still needed. For most homes that
              means an upgrade of the stateful NAT in the gateway so the
              public side has a YATT format, and DNS snooping to provide
              a A record inside. Same for PLATs. For most servers, that
              means an update in the load balancer, and a NAT if there
              was none, to allow to speak to other realms. Whatever
              happened in the current IPv4 can still do. Some levels can
              be created IPv6 only from the start, providing YATT
              addresses to those who need to communicate with the other
              levels.<o:p></o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt">Keep safe;<o:p></o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt">Pascal<o:p></o:p></span></font></p>
        <p class="MsoNormal"><font size="2" face="Calibri"><span
              style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        <div style="border:none;border-left:solid blue 1.5pt;padding:0cm
          0cm 0cm 4.0pt">
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              <p class="MsoNormal"><b><font size="2" face="Calibri"><span
                      style="font-size:11.0pt;font-weight:bold">From:</span></font></b>
                Abraham Y. Chen <a class="moz-txt-link-rfc2396E"
                  href="mailto:aychen@avinta.com"><aychen@avinta.com></a>
                <br>
                <b><span style="font-weight:bold">Sent:</span></b>
                vendredi 1 avril 2022 23:45<br>
                <b><span style="font-weight:bold">To:</span></b> Pascal
                Thubert (pthubert) <a class="moz-txt-link-rfc2396E"
                  href="mailto:pthubert@cisco.com"><pthubert@cisco.com></a>;
                Vasilenko Eduard <a class="moz-txt-link-rfc2396E"
                  href="mailto:vasilenko.eduard@huawei.com"><vasilenko.eduard@huawei.com></a>;
                Justin Streiner <a class="moz-txt-link-rfc2396E"
                  href="mailto:streinerj@gmail.com"><streinerj@gmail.com></a><br>
                <b><span style="font-weight:bold">Cc:</span></b> NANOG <a
                  class="moz-txt-link-rfc2396E"
                  href="mailto:nanog@nanog.org"><nanog@nanog.org></a><br>
                <b><span style="font-weight:bold">Subject:</span></b>
                Re: Let's Focus on Moving Forward Re: V6 still not
                supported re: 202203261833.AYC<o:p></o:p></p>
            </div>
          </div>
          <p class="MsoNormal"><font size="2" face="Calibri"><span
                style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          <div>
            <p class="MsoNormal"><font size="4" face="Calibri"><span
                  style="font-size:13.5pt">Hi, Pascal:</span></font><o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="4" face="Calibri"><span
                  style="font-size:13.5pt">1)    " ... </span></font>
              for the next version. ... <font size="4"><span
                  style="font-size:13.5pt">   ":    I am not sure that I
                  can wait for so long, because I am asking for the
                  basics. The reason that I asked for an IP packet
                  header example of your proposal is to visualize what
                  do you mean by the model of "realms and shafts in a
                  multi-level building". The presentation in the draft 
                  sounds okay, because the floors are physically
                  isolated from one another. And, even the building is
                  isolated from other buildings. This is pretty much how
                  PBX numbering plan worked. </span></font><o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="4" face="Calibri"><span
                  style="font-size:13.5pt">2)    When you extend each
                  floor to use the whole IPv4 address pool, however, you
                  are essential talking about covering the entire
                  surface of the earth. Then, there is no isolated
                  buildings with isolated floors to deploy your model
                  anymore. There is only one spherical layer of physical
                  earth surface for you to use as a realm, which is the
                  current IPv4 deployment. How could you still have
                  multiple full IPv4 address sets deployed, yet not
                  seeing their identical twins, triplets, etc.? Are you
                  proposing multiple spherical layers of "realms", one
                  on top of the other?</span></font><o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="4" face="Calibri"><span
                  style="font-size:13.5pt">2)    When I cited the
                  DotConnectAfrica graphic logo as a visual model for
                  the EzIP deployment over current IPv4, I was pretty
                  specific that each RAN was tethered from the current
                  Internet core via one IPv4 address. We were very
                  careful about isolating the netblocks in terms of
                  which one does what. In other words, even though the
                  collection of RANs form a parallel cyberspace to the
                  Internet, you may look at each RAN as an isolated
                  balloon for others. So that each RAN can use up the
                  entire 240/4 netblock. </span></font><o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="4" face="Calibri"><span
                  style="font-size:13.5pt">Please clarify your
                  configuration.</span></font><o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="4" face="Calibri"><span
                  style="font-size:13.5pt">Thanks,</span></font><o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="4" face="Calibri"><span
                  style="font-size:13.5pt">Abe (2022-04-01 17:44)  </span></font><o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </div>
          <div>
            <p class="MsoNormal"><font size="2" face="Calibri"><span
                  style="font-size:11.0pt">On 2022-04-01 10:55, Abraham
                  Y. Chen wrote:<o:p></o:p></span></font></p>
          </div>
          <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
            <div>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt">On 2022-04-01 10:00, Pascal
                    Thubert (pthubert) wrote:<o:p></o:p></span></font></p>
            </div>
            <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt">Makes sense, Abe, for the
                    next version.<o:p></o:p></span></font></p>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt"> <o:p></o:p></span></font></p>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt">Note that the intention is
                    NOT any to ANY. A native IPv6 IoT device can only
                    talk to another IPv6 device, where that other device
                    may use a YATT address or any other IPv6 address.<o:p></o:p></span></font></p>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt">But it cannot talk to a
                    YADA node. That’s what I mean by baby steps for
                    those who want to.<o:p></o:p></span></font></p>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt"> <o:p></o:p></span></font></p>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt">Keep safe;<o:p></o:p></span></font></p>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt"> <o:p></o:p></span></font></p>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt">Pascal<o:p></o:p></span></font></p>
              <p class="MsoNormal"><font size="2" face="Calibri"><span
                    style="font-size:11.0pt"> <o:p></o:p></span></font></p>
              <div style="border:none;border-left:solid blue
                1.5pt;padding:0cm 0cm 0cm 4.0pt">
                <div>
                  <div style="border:none;border-top:solid #E1E1E1
                    1.0pt;padding:3.0pt 0cm 0cm 0cm">
                    <p class="MsoNormal"><b><font size="2"
                          face="Calibri"><span
                            style="font-size:11.0pt;font-weight:bold">From:</span></font></b>
                      Abraham Y. Chen <a
                        href="mailto:aychen@avinta.com"
                        moz-do-not-send="true"><aychen@avinta.com></a>
                      <br>
                      <b><span style="font-weight:bold">Sent:</span></b>
                      vendredi 1 avril 2022 15:49<br>
                      <b><span style="font-weight:bold">To:</span></b>
                      Vasilenko Eduard <a
                        href="mailto:vasilenko.eduard@huawei.com"
                        moz-do-not-send="true">
                        <vasilenko.eduard@huawei.com></a>; Pascal
                      Thubert (pthubert) <a
                        href="mailto:pthubert@cisco.com"
                        moz-do-not-send="true">
                        <pthubert@cisco.com></a>; Justin Streiner
                      <a href="mailto:streinerj@gmail.com"
                        moz-do-not-send="true"><streinerj@gmail.com></a><br>
                      <b><span style="font-weight:bold">Cc:</span></b>
                      NANOG <a href="mailto:nanog@nanog.org"
                        moz-do-not-send="true"> <nanog@nanog.org></a><br>
                      <b><span style="font-weight:bold">Subject:</span></b>
                      Re: Let's Focus on Moving Forward Re: V6 still not
                      supported re: 202203261833.AYC<o:p></o:p></p>
                  </div>
                </div>
                <p class="MsoNormal"><font size="2" face="Calibri"><span
                      style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                <div>
                  <p class="MsoNormal"><font size="4" face="Calibri"><span
                        style="font-size:13.5pt">Hi, Pascal:</span></font><o:p></o:p></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="4" face="Calibri"><span
                        style="font-size:13.5pt">What I would appreciate
                        is an IP packet header design/definition layout,
                        word-by-word, ideally in bit-map style, of an
                        explicit presentation of all IP addresses
                        involved from one IoT in one realm to that in
                        the second realm. This will provide a clearer
                        picture of how the real world implementation may
                        look like.</span></font><o:p></o:p></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="4" face="Calibri"><span
                        style="font-size:13.5pt">Thanks,</span></font><o:p></o:p></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="4" face="Calibri"><span
                        style="font-size:13.5pt">Abe (2022-04-01 09:48)</span></font><o:p></o:p></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                </div>
                <div>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">On 2022-04-01 08:49,
                        Vasilenko Eduard wrote:<o:p></o:p></span></font></p>
                </div>
                <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
                  <p class="MsoNormal"><font size="2" face="Calibri"
                      color="#1f497d"><span
                        style="font-size:11.0pt;color:#1F497D">As I
                        understand: “IPv4 Realms” between “Shaft” should
                        be capable to have a plain IPv4 header (or else
                        why all of these).</span></font><o:p></o:p></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"
                      color="#1f497d"><span
                        style="font-size:11.0pt;color:#1F497D">Then
                        Gateway in the Shaft should change headers (from
                        IPv4 to IPv6).</span></font><o:p></o:p></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"
                      color="#1f497d"><span
                        style="font-size:11.0pt;color:#1F497D">Who
                        should implement this gateway and why? He should
                        be formally appointed to such an exercise,
                        right?</span></font><o:p></o:p></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"
                      color="#1f497d"><span
                        style="font-size:11.0pt;color:#1F497D">Map this
                        2 level hierarchy to the real world – you may
                        fail with this.</span></font><o:p></o:p></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"
                      color="#1f497d"><span
                        style="font-size:11.0pt;color:#1F497D">Ed/</span></font><o:p></o:p></p>
                  <div>
                    <div style="border:none;border-top:solid #E1E1E1
                      1.0pt;padding:3.0pt 0cm 0cm 0cm">
                      <p class="MsoNormal"><b><font size="2"
                            face="Calibri"><span
                              style="font-size:11.0pt;font-weight:bold">From:</span></font></b>
                        Pascal Thubert (pthubert) [<a
                          href="mailto:pthubert@cisco.com"
                          moz-do-not-send="true">mailto:pthubert@cisco.com</a>]
                        <br>
                        <b><span style="font-weight:bold">Sent:</span></b>
                        Friday, April 1, 2022 3:41 PM<br>
                        <b><span style="font-weight:bold">To:</span></b>
                        Vasilenko Eduard <a
                          href="mailto:vasilenko.eduard@huawei.com"
                          moz-do-not-send="true">
                          <vasilenko.eduard@huawei.com></a>;
                        Justin Streiner <a
                          href="mailto:streinerj@gmail.com"
                          moz-do-not-send="true">
                          <streinerj@gmail.com></a>; Abraham Y.
                        Chen <a href="mailto:aychen@avinta.com"
                          moz-do-not-send="true"><aychen@avinta.com></a><br>
                        <b><span style="font-weight:bold">Subject:</span></b>
                        RE: Let's Focus on Moving Forward Re: V6 still
                        not supported re: 202203261833.AYC<o:p></o:p></p>
                    </div>
                  </div>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">Hello Eduard:<o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">Did you just
                        demonstrate that POPs cannot exist? Or that
                        there cannot be a Default Free Zone?<o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">I agree with your real
                        world issue that some things will have to be
                        planned between stake holders, and that it will
                        not be easy. <o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">But you know what the
                        French say about “impossible”.<o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">Or to paraphrase Sir
                        Arthur, now that we have eliminated all the
                        impossible transition scenarios, whatever
                        remains…<o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">There will be YADA
                        prefixes just like there are root DNS. To be
                        managed by different players as you point out.
                        And all routable within the same shaft.<o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">Keep safe;<o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt">Pascal<o:p></o:p></span></font></p>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                  <div style="border:none;border-left:solid blue
                    1.5pt;padding:0cm 0cm 0cm 4.0pt">
                    <div>
                      <div style="border:none;border-top:solid #E1E1E1
                        1.0pt;padding:3.0pt 0cm 0cm 0cm">
                        <p class="MsoNormal"><b><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt;font-weight:bold">From:</span></font></b>
                          Vasilenko Eduard <<a
                            href="mailto:vasilenko.eduard@huawei.com"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">vasilenko.eduard@huawei.com</a>>
                          <br>
                          <b><span style="font-weight:bold">Sent:</span></b>
                          vendredi 1 avril 2022 14:32<br>
                          <b><span style="font-weight:bold">To:</span></b>
                          Pascal Thubert (pthubert) <<a
                            href="mailto:pthubert@cisco.com"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">pthubert@cisco.com</a>>;
                          Justin Streiner <<a
                            href="mailto:streinerj@gmail.com"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">streinerj@gmail.com</a>>;
                          Abraham Y. Chen <<a
                            href="mailto:aychen@avinta.com"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">aychen@avinta.com</a>><br>
                          <b><span style="font-weight:bold">Subject:</span></b>
                          RE: Let's Focus on Moving Forward Re: V6 still
                          not supported re: 202203261833.AYC<o:p></o:p></p>
                      </div>
                    </div>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"
                        color="#1f497d"><span
                          style="font-size:11.0pt;color:#1F497D">Hi
                          Pascal,</span></font><o:p></o:p></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"
                        color="#1f497d"><span
                          style="font-size:11.0pt;color:#1F497D">In
                          general, your idea to create a hierarchy is
                          good.</span></font><o:p></o:p></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"
                        color="#1f497d"><span
                          style="font-size:11.0pt;color:#1F497D">In
                          practice, it would fail because you have
                          created a virtual hierarchy that does not map
                          to any administrative border. Who should
                          implement gateways for the “Shaft”? Why?</span></font><o:p></o:p></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"
                        color="#1f497d"><span
                          style="font-size:11.0pt;color:#1F497D">If you
                          would appoint Carrier as the Shaft responsible
                          then it is not enough bits for Shaft.</span></font><o:p></o:p></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"
                        color="#1f497d"><span
                          style="font-size:11.0pt;color:#1F497D">If you
                          would appoint Governments as the Shaft
                          responsible then would be a so big scandal
                          that you would regret the proposal.</span></font><o:p></o:p></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"
                        color="#1f497d"><span
                          style="font-size:11.0pt;color:#1F497D">Hence,
                          I do not see proper mapping for the hierarchy
                          to make YADA successful.</span></font><o:p></o:p></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"
                        color="#1f497d"><span
                          style="font-size:11.0pt;color:#1F497D">Eduard</span></font><o:p></o:p></p>
                    <div>
                      <div style="border:none;border-top:solid #E1E1E1
                        1.0pt;padding:3.0pt 0cm 0cm 0cm">
                        <p class="MsoNormal"><b><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt;font-weight:bold">From:</span></font></b>
                          NANOG [<a
                            href="mailto:nanog-bounces+vasilenko.eduard=huawei.com@nanog.org"
                            moz-do-not-send="true">mailto:nanog-bounces+vasilenko.eduard=huawei.com@nanog.org</a>]
                          <b><span style="font-weight:bold">On Behalf Of
                            </span></b>Pascal Thubert (pthubert) via
                          NANOG<br>
                          <b><span style="font-weight:bold">Sent:</span></b>
                          Friday, April 1, 2022 2:26 PM<br>
                          <b><span style="font-weight:bold">To:</span></b>
                          Justin Streiner <<a
                            href="mailto:streinerj@gmail.com"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">streinerj@gmail.com</a>>;
                          Abraham Y. Chen <<a
                            href="mailto:aychen@avinta.com"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">aychen@avinta.com</a>><br>
                          <b><span style="font-weight:bold">Cc:</span></b>
                          NANOG <<a href="mailto:nanog@nanog.org"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">nanog@nanog.org</a>><br>
                          <b><span style="font-weight:bold">Subject:</span></b>
                          RE: Let's Focus on Moving Forward Re: V6 still
                          not supported re: 202203261833.AYC<o:p></o:p></p>
                      </div>
                    </div>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt">For the sake of it,
                          Justin, I just published <a
                            href="https://datatracker.ietf.org/doc/draft-thubert-v6ops-yada-yatt/"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">https://datatracker.ietf.org/doc/draft-thubert-v6ops-yada-yatt/</a>.<o:p></o:p></span></font></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt">The first section of
                          the draft (YADA) extends IPv4 range in an
                          IPv4-only world. For some people that might be
                          enough and I’m totally fine with that.<o:p></o:p></span></font></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt">Keep safe;<o:p></o:p></span></font></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt">Pascal<o:p></o:p></span></font></p>
                    <p class="MsoNormal"><font size="2" face="Calibri"><span
                          style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                    <div style="border:none;border-left:solid blue
                      1.5pt;padding:0cm 0cm 0cm 4.0pt">
                      <div>
                        <div style="border:none;border-top:solid #E1E1E1
                          1.0pt;padding:3.0pt 0cm 0cm 0cm">
                          <p class="MsoNormal"><b><font size="2"
                                face="Calibri"><span
                                  style="font-size:11.0pt;font-weight:bold">From:</span></font></b>
                            NANOG <<a
                              href="mailto:nanog-bounces+pthubert=cisco.com@nanog.org"
                              moz-do-not-send="true"
                              class="moz-txt-link-freetext">nanog-bounces+pthubert=cisco.com@nanog.org</a>>
                            <b><span style="font-weight:bold">On Behalf
                                Of </span></b>Justin Streiner<br>
                            <b><span style="font-weight:bold">Sent:</span></b>
                            dimanche 27 mars 2022 18:12<br>
                            <b><span style="font-weight:bold">To:</span></b>
                            Abraham Y. Chen <<a
                              href="mailto:aychen@avinta.com"
                              moz-do-not-send="true"
                              class="moz-txt-link-freetext">aychen@avinta.com</a>><br>
                            <b><span style="font-weight:bold">Cc:</span></b>
                            NANOG <<a href="mailto:nanog@nanog.org"
                              moz-do-not-send="true"
                              class="moz-txt-link-freetext">nanog@nanog.org</a>><br>
                            <b><span style="font-weight:bold">Subject:</span></b>
                            Re: Let's Focus on Moving Forward Re: V6
                            still not supported re: 202203261833.AYC<o:p></o:p></p>
                        </div>
                      </div>
                      <p class="MsoNormal"><font size="2" face="Calibri"><span
                            style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                      <div>
                        <div>
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt">Abe:<o:p></o:p></span></font></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt">To your first
                                point about denying that anyone is being
                                stopped from working on IPv4, I'm
                                referring to users being able to
                                communicate via IPv4.  I have seen no
                                evidence of that.<o:p></o:p></span></font></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt">I'm not
                                familiar with the process of submitting
                                ideas to IETF, so I'll leave that for
                                others who are more knowledgeable on
                                that to speak up if they're so inclined.<o:p></o:p></span></font></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt">Thank you<o:p></o:p></span></font></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt">jms<o:p></o:p></span></font></p>
                        </div>
                        <p class="MsoNormal"><font size="2"
                            face="Calibri"><span
                              style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                        <div>
                          <div>
                            <p class="MsoNormal"><font size="2"
                                face="Calibri"><span
                                  style="font-size:11.0pt">On Sat, Mar
                                  26, 2022 at 6:43 PM Abraham Y. Chen
                                  <<a href="mailto:aychen@avinta.com"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">aychen@avinta.com</a>>
                                  wrote:<o:p></o:p></span></font></p>
                          </div>
                          <blockquote
                            style="border:none;border-left:solid #CCCCCC
                            1.0pt;padding:0cm 0cm 0cm
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt">
                            <p class="MsoNormal"><font size="2"
                                face="Calibri"><span
                                  style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                            <div>
                              <div>
                                <p class="MsoNormal"><font size="4"
                                    face="Calibri"><span
                                      style="font-size:13.5pt">1)   
                                      "... no one is stopping anyone
                                      from working on IPv4 ...     ":  
                                      After all these discussions, are
                                      you still denying this basic
                                      issue? For example, there has not
                                      been any straightforward way to
                                      introduce IPv4 enhancement ideas
                                      to IETF since at least 2015. If
                                      you know the way, please make it
                                      public. I am sure that many are
                                      eager to learn about it. Thanks.</span></font><o:p></o:p></p>
                              </div>
                            </div>
                          </blockquote>
                        </div>
                      </div>
                    </div>
                  </div>
                </blockquote>
                <p><font size="2" face="Calibri"><span
                      style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                <div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2">
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
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                    style="border:none;border-top:solid #D3D4DE 1.0pt"
                    cellpadding="0" border="1">
                    <tbody>
                      <tr>
                        <td
                          style="width:41.25pt;border:none;padding:9.75pt
                          .75pt .75pt .75pt" width="55">
                          <p class="MsoNormal"><font size="2"
                              face="Calibri"><span
                                style="font-size:11.0pt"><a
href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=icon"
                                  target="_blank" moz-do-not-send="true"><span
                                    style="border:solid windowtext
                                    1.0pt;padding:0cm;text-decoration:none"><img
style="width:.4791in;height:.302in" id="Picture_x0020_1"
                                      src="cid:part1.VifhNMv9.tll1xo22@avinta.com"
                                      alt="Image removed by sender."
                                      class="" width="46" height="29"
                                      border="0"></span></a><o:p></o:p></span></font></p>
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                        <td
                          style="width:352.5pt;border:none;padding:9.0pt
                          .75pt .75pt .75pt" width="470">
                          <p class="MsoNormal"
                            style="line-height:13.5pt"><font size="2"
                              face="Arial" color="#41424e"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#41424E">Virus-free.
                                <a
href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient&utm_term=link"
                                  target="_blank" moz-do-not-send="true">
                                  <font color="#4453ea"><span
                                      style="color:#4453EA">www.avast.com</span></font></a>
                              </span></font><o:p></o:p></p>
                        </td>
                      </tr>
                    </tbody>
                  </table>
                  <p class="MsoNormal"><font size="2" face="Calibri"><span
                        style="font-size:11.0pt"> <o:p></o:p></span></font></p>
                </div>
              </div>
            </blockquote>
            <p><font size="2" face="Calibri"><span
                  style="font-size:11.0pt"><o:p> </o:p></span></font></p>
          </blockquote>
          <p><font size="2" face="Calibri"><span
                style="font-size:11.0pt"><o:p> </o:p></span></font></p>
        </div>
      </div>
    </blockquote>
    <p><br>
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