Re: [Int-dir] Intdir early review of draft-ietf-opsawg-tsvwg-udp-ipfix-03

[[e-mail]]

Hi Joe, 

Thanks for the review. 

Please see inline. 

Cheers,
Med

> -----Message d'origine-----
> De : Joseph Touch via Datatracker <[e-mail]>
> Envoyé : samedi 13 janvier 2024 05:03
> À : [e-mail]
> Cc : [e-mail];
> [e-mail]
> Objet : Intdir early review of draft-ietf-opsawg-tsvwg-udp-ipfix-
> 03
> 
> Reviewer: Joseph Touch
> Review result: Ready with Issues
> 
> This review is performed as part of the INTAREA cross-area
> review.
> 
> There do not appear to be any INTAREA issues in this document.
> 
> NOTE: as author of the UDP options on which this document is
> based, I have some other concerns noted below, which are the
> "issues" indicated in the review result (ready with issues).
> 
> There are some misconceptions about UDP options that should be
> corrected in this document:
> 
> Regarding SAFE options:
> -       “Such options can be silently ignored by receivers
> without affecting
> the meaning of the UDP user data” -       Should be “Such options
> can be
> silently ignored by legacy receivers because they do not alter
> the UDP user data”
> 
> Regarding UNSAFE options:
> -       “Such options are not safe to ignore”
> -       Should be “Such options are not safe tor legacy receivers
> to ignore
> because they alter the UDP user data”
> 

[Med] Fixed.

> The document should be more clear that UDP options occur per-
> packet within a flow and can be introduced at any time in the
> flow (unlike TCP).

[Med] Added a new statement to echo this. The export process covers any option that is observed in a flow.

> 
> Sec 4.1 needs to indicate use of a field with 256 possible
> values; it currently is defined for only 32 or 64 values.
> 
> 

[Med] 32/64 are provided as examples to illustrate the use of reduced encoding. The full 256 range is covered in the spec. Thanks. 

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