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    <p>Leif<br>
      If I understand your question:</p>
    <p>Originally /48 to anyone was the BCP for future efficiency.<br>
      I can change my BCP to /56.<br>
      /48 is my preference, however, which is the BGP boundary.<br>
      Otherwise I have little issue with choice "b" if forced.</p>
    <p>I would prefer to give my residential users a /48 for the future
      but a /56<br>
      could work, just a pain. Again rDNS could be a problem.<br>
    </p>
    <p>Do AS's use ARIN reverse DNS for size smaller than /48?<br>
      If rDNS will not work worldwide except with /48 advertising, <br>
      I think that should be the SWIP boundary.<br>
      I know for a while some AS's required /32.<br>
      I think that has finally changed.<br>
      However ARIN's assignment web page indicates we should be <br>
      SWIP'ing /29's on IPv4 by policy or risk ARIN action.<br>
    </p>
    <p>Thank you<br>
      Paul McNary<br>
      <a class="moz-txt-link-abbreviated" href="mailto:pmcnary@cameron.net">pmcnary@cameron.net</a><br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 7/17/2017 5:09 PM, Leif Sawyer
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:EDF941B230F4C446826CF893A9C8CE59016D79F574@ex-mbx-prd02.gci.com">
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      <div class="WordSection1">
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Shepherd
            of the draft policy chiming in.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks
            for the lively discussion, everybody.   There's certainly a
            lot to think about here.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Just
            as a reminder to folk, the current policy under question is
            located here:<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a
              href="https://www.arin.net/policy/nrpm.html#six551"
              moz-do-not-send="true">https://www.arin.net/policy/nrpm.html#six551</a><o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">And,
            to help clarify some confusion, per  6.5.5.3.1  (<a
              href="https://www.arin.net/policy/nrpm.html#six5531"
              moz-do-not-send="true">https://www.arin.net/policy/nrpm.html#six5531</a>)
            <o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">residential
            customers "holding/64 and larger blocks"   may use censored
            data,  i.e.  "Private Customer/Residence"<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">in
            lieu of actual names and street addresses.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">--<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">With
            that said,  I have a couple of questions to ask, based on
            potential rewrites that are brewing.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">First:   
            Assuming a preference for /56  (based on PPML feedback)  for
            the moment,   which is the more<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">preferential
            rewrite of the opening sentence of 6.5.5.1?<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span
              style="mso-list:Ignore">a)<span style="font:7.0pt
                "Times New Roman"">     
              </span></span></span><!--[endif]--><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Each
            static IPv6 assignment containing a /55 or more addresses
            shall be registered in the WHOIS directory via SWIP or a
            distributed service which meets the standards set forth in
            section 3.2. <br>
            <br>
            <br>
            <o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><span
              style="mso-list:Ignore">b)<span style="font:7.0pt
                "Times New Roman"">     
              </span></span></span><!--[endif]--><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Each
            static IPv6 assignment containing a /55 or more addresses,</span>
          <span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">or
            subdelegation of any size that will be individually
            announced, shall be registered in the WHOIS directory via
            SWIP or a distributed service which meets the standards set
            forth in section 3.2. <o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Second:  
            Given your specific choice of A or B,  are you
            preferentially inclined to choose the provided bit-boundary,
            or "/48"<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Third: 
            If none of these options are palatable, do you have a
            proposed approach?<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> 
            Leif Sawyer<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Advisory
            Council<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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