<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="">Bittorrent doesn’t use multicast.<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Feb 25, 2019, at 1:42 PM, Miles Fidelman <<a href="mailto:mfidelman@meetinghouse.net" class="">mfidelman@meetinghouse.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
  
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  <div text="#000000" bgcolor="#FFFFFF" class=""><p class="">Well yes, but torrent is a distribution mechanism - it's not an
      infrastructure for maintaining or mirroring files.  It's
      essentially another, sometimes more efficient, option for
      click-to-download (e.g., ftp, http, bittorrent).  And it's only
      more efficient if multiple people are downloading at the same
      time.</p><p class="">Miles<br class="">
    </p>
    <div class="moz-cite-prefix">On 2/25/19 12:28 PM, Richard Bennett
      wrote:<br class="">
    </div>
    <blockquote type="cite" cite="mid:D7B46270-AD5E-4BD4-9ACD-41760F700AFE@bennett.com" class="">
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      No, Bittorrent uses DHTs and accesses as many copies of a given
      file as users choose to share. It has to be running to serve
      files, however.
      <div class=""><br class="">
      </div>
      <div class="">RB<br class="">
        <div class=""><br class="">
          <blockquote type="cite" class="">
            <div class="">On Feb 25, 2019, at 9:59 AM, Miles Fidelman
              <<a href="mailto:mfidelman@meetinghouse.net" class="" moz-do-not-send="true">mfidelman@meetinghouse.net</a>>
              wrote:</div>
            <br class="Apple-interchange-newline">
            <div class="">
              <div class="">On 2/24/19 9:53 PM, John Levine wrote:<br class="">
                <br class="">
                <blockquote type="cite" class="">
                  <blockquote type="cite" class="">That's what I find
                    intriguing about my Benevolent BotNet notion. 
                    Rather<br class="">
                    than depending on finding an institution interested
                    in, competent at,<br class="">
                    and willing to save history, and hoping that it has
                    longevity, you rely<br class="">
                    on a network of volunteers to provide that
                    survivable infrastructure by<br class="">
                    volunteering their excess computing resources.<br class="">
                  </blockquote>
                  Hi again.  Please look at Bittorrent and tell us how
                  it is different<br class="">
                  from what you're proposing.<br class="">
                  <br class="">
                  Bittorrent has the advantage of already existing and
                  being deployed<br class="">
                  all over the world.  It's notorious for pirated music
                  but it's also<br class="">
                  widely used for sharing linux distributions and the
                  like.<br class="">
                  <br class="">
                </blockquote>
                Bit torrent is transient.  It's more like an ad-hoc
                multi-cast <br class="">
                streaming.  When nobody is downloading, there may be
                only one copy of <br class="">
                the file.<br class="">
                <br class="">
                Now gnutella, and some of the other P2P file sharing
                systems - that <br class="">
                replicate copies, or distribute files across a
                distributed hash table - <br class="">
                that's another story entirely.<br class="">
                <br class="">
                -- <br class="">
                In theory, there is no difference between theory and
                practice.<br class="">
                In practice, there is.  .... Yogi Berra<br class="">
                <br class="">
                _______<br class="">
                internet-history mailing list<br class="">
                <a href="mailto:internet-history@postel.org" class="" moz-do-not-send="true">internet-history@postel.org</a><br class="">
<a class="moz-txt-link-freetext" href="http://mailman.postel.org/mailman/listinfo/internet-history">http://mailman.postel.org/mailman/listinfo/internet-history</a><br class="">
                Contact <a class="moz-txt-link-abbreviated" href="mailto:list-owner@postel.org">list-owner@postel.org</a> for assistance.<br class="">
              </div>
            </div>
          </blockquote>
        </div>
        <br class="">
        <div class="">
          <div style="letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">
            <div style="word-wrap: break-word; -webkit-nbsp-mode: space;
              -webkit-line-break: after-white-space;" class="">—<br class="">
              <div style="word-wrap: break-word; -webkit-nbsp-mode:
                space; -webkit-line-break: after-white-space;" class="">Richard
                Bennett<br class="">
                <a href="http://hightechforum.org/" class="" moz-do-not-send="true">High Tech Forum</a> Founder</div>
              <div style="word-wrap: break-word; -webkit-nbsp-mode:
                space; -webkit-line-break: after-white-space;" class="">Ethernet
                & Wi-Fi standards co-creator</div>
              <div style="word-wrap: break-word; -webkit-nbsp-mode:
                space; -webkit-line-break: after-white-space;" class=""><br class="">
              </div>
              <div style="word-wrap: break-word; -webkit-nbsp-mode:
                space; -webkit-line-break: after-white-space;" class="">Internet
                Policy Consultant</div>
            </div>
          </div>
        </div>
        <br class="">
      </div>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
In theory, there is no difference between theory and practice.
In practice, there is.  .... Yogi Berra</pre>
  </div>

</div></blockquote></div><br class=""><div class="">
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