[Idr] Robert Wilton's No Objection on draft-ietf-idr-flow-spec-v6-19: (with COMMENT)

Robert Wilton via Datatracker <noreply@ietf.org> Wed, 04 November 2020 10:52 UTC

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Date: Wed, 04 Nov 2020 02:52:12 -0800
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Subject: [Idr] Robert Wilton's No Objection on draft-ietf-idr-flow-spec-v6-19: (with COMMENT)
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Robert Wilton has entered the following ballot position for
draft-ietf-idr-flow-spec-v6-19: No Objection

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Thank you for this document.  Even without the specific domain knowledge I
found this document easy to read and understand.

A couple of minor comments that you may wish to consider:

    3.  IPv6 Flow Specification components

       Types 4, 5, 6, 9, 10 and 11, as defined in [I-D.ietf-idr-rfc5575bis],
       also apply to IPv6.

Also giving the descriptive names for these types might aid the reader here.

    3.3.  Type 3 - Upper-Layer Protocol

       This component uses the Numeric Operator (numeric_op) described in
       [I-D.ietf-idr-rfc5575bis] Section  Type 3 component values
       SHOULD be encoded as single octet (numeric_op len=00).

The "(numeric_op len=00)" threw me off at first, until I referenced back to
section  Possibly, this might be more clear as "(i.e., numeric_op len
field=00)".  Obviously, if you decide to change this, then there are other
places that need to be updated as well.

    3.4.  Type 7 - ICMPv6 Type

The text wasn't super clear to me whether the a Type 3 componet could/should be
specified to match protocol-value 58 as well as a Type 7 field. I would presume
that either is allowed, but I was unsure whether it might be helpful to clarify
this further.