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    <p>This work is already quite old and I don't know if it's still
      compatible to the current NFD. However, we added some fields to
      Interests in prior work. You can have a look at the implementation
      of those fields:</p>
    <p><a class="moz-txt-link-freetext" href="https://github.com/phylib/pips-scenario/blob/master/extern/interest.hpp#L403-L407">https://github.com/phylib/pips-scenario/blob/master/extern/interest.hpp#L403-L407</a><br>
<a class="moz-txt-link-freetext" href="https://github.com/phylib/pips-scenario/blob/master/extern/interest.cpp#L576-L579">https://github.com/phylib/pips-scenario/blob/master/extern/interest.cpp#L576-L579</a></p>
    <p>Please also have a look at all other occurrences of those fields
      in the CPP and HPP file. Otherwise you might miss important
      details.<br>
    </p>
    <p>Just as an disclaimer, it might not be the cleanest
      implementation, but I think you can get a feeling for what you
      need to do.</p>
    <p>Best,<br>
      Philipp</p>
    <div class="moz-cite-prefix">On 10/25/19 1:12 AM, Spyridon
      Mastorakis via ndnSIM wrote:<br>
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      cite="mid:1F242A04-41EB-4122-96E8-1420996345D5@unomaha.edu">
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      Please take a look at the other fields of Interests and data in
      ndn-cxx:
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      <div class=""><a
href="https://github.com/named-data/ndn-cxx/blob/master/ndn-cxx/interest.cpp"
          class="" moz-do-not-send="true">https://github.com/named-data/ndn-cxx/blob/master/ndn-cxx/interest.cpp</a></div>
      <div class=""><a
href="https://github.com/named-data/ndn-cxx/blob/master/ndn-cxx/data.cpp"
          class="" moz-do-not-send="true">https://github.com/named-data/ndn-cxx/blob/master/ndn-cxx/data.cpp</a></div>
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      <div class="">Also: <a
href="https://lo.calho.st/networks/adding-custom-packet-fields-to-packets-in-ndnsim-2-3-without-forking-the-entire-repository/"
          class="" moz-do-not-send="true">
https://lo.calho.st/networks/adding-custom-packet-fields-to-packets-in-ndnsim-2-3-without-forking-the-entire-repository/</a></div>
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                <div>Spyridon (Spyros) Mastorakis<br class="">
                  Assistant Professor<br class="">
                  Computer Science Department<br class="">
                  University of Nebraska, Omaha<br class="">
                  Peter Kiewit Institute Room 175A<br class="">
                  <a
                    href="https://sites.google.com/site/spyridonmastorakis"
                    class="" moz-do-not-send="true">https://sites.google.com/site/spyridonmastorakis</a><br
                    class="">
                  <br class="">
                  <br class="">
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          <blockquote type="cite" class="">
            <div class="">On Oct 19, 2019, at 2:06 PM, Anantha krishnan
              saji via ndnSIM <<a
                href="mailto:ndnsim@lists.cs.ucla.edu" class=""
                moz-do-not-send="true">ndnsim@lists.cs.ucla.edu</a>>
              wrote:</div>
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                <div class="">Hello all,</div>
                <div class="">I am trying to add three new fields in
                  interest packet. I would like to know how TLV type
                  numbers are assigned to each fields. I have seen the
                  TLV type number assignment specification. I am not
                  sure how I can assign a number to my newly added
                  fields. Any help would be appreciated.</div>
                <div class=""><br class="">
                </div>
                <div class="">Thanks and regards,</div>
                <div class="">Ananthakrishnan S</div>
              </div>
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