Re: [Last-Call] [I2nsf] Tsvart last call review of draft-ietf-i2nsf-nsf-facing-interface-dm-16

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Hi  Yoshi,
I will address your comments on our draft.

Thanks.

Best Regards,
Paul

On Mon, Nov 22, 2021 at 4:38 PM Yoshifumi Nishida via Datatracker <noreply@xxxxxxxx> wrote:
Reviewer: Yoshifumi Nishida
Review result: Almost Ready

This document has been reviewed as part of the transport area review team's
ongoing effort to review key IETF documents. These comments were written
primarily for the transport area directors, but are copied to the document's
authors and WG to allow them to address any issues raised and also to the IETF
discussion list for information.

When done at the time of IETF Last Call, the authors should consider this
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Summary: I think this document is almost ready for publication, but it will be
better to check the following minor points.

1: Page 48

   We don't need to support header length for TCP while supporting total length
   for UDP? I am wondering if we want to support TCP option type here.

2: Page 50:

    list total-length {
               key "start end";
               leaf start {
                 type uint32;
                 description
                   "Start udp total length for a range match.";
               }
               leaf end {
                 type uint32;
                 must '. >= ../start' {
                   error-message
                     "The end hop limit MUST be equal or greater than
                      the start hop limit.";
                 }
                 description
                   "End udp total length for a range match.";
               }

    -> is this error message correct?

3: Page 51

             leaf-list verification-tag {
               type uint32;
               description
                 "The security policy rule according to
                  udp total length.";
               reference
                 "RFC 4960: Stream Control Transmission Protocol
                            - Verification Tag";
             }

     -> Is this description correct?
     -> In my understanding, verification tag would be random values.
         I am wondering how we utilize it.

4: Page 52

   We don't need packet type for DCCP while supporting chunk types for SCTP?

5: Page 70

     <tcp>
       <destination-port-number>
        <start>5060</start>
        <start>5061</end>
       </destination-port-number>
     </tcp>

   -> should be "<end>5061</end>" ?

6: Page 72

      <tcp>
       <destination-port-number>
        <start>80</start>
        <end>80</end>
       </destination-port>
       <destination-port-number>
        <start>443</start>
        <end>443</end>
       </destination-port>
      </tcp>

  -> should be "</destination-port-number>" instead of "</destination-port>" ?

--
Yoshi



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