[tcpm] stray thoughts was Re: I-D Action: draft-ietf-tcpm-yang-tcp-03.txt

[t petch <[e-mail]>]

On 22/10/2021 17:45, Scharf, Michael wrote:
>>> Hello folks,
>>> The chairs are thinking that the draft is getting close to WGLC.
>>> We'll discuss it at the next meeting, but please share if you have any
>>> comments or concerns on proceeding this draft to WGLC.
>>>
>>> We appreciate your feedback

Further to my comments on http and 793bis,

all YANG import need a Normative Reference

I would like a more comprehensive comparison with RFC4022 - other I-D 
have provided a table showing the objects or groups thereof which carry 
across and those that do not.

You mention other models which model TCP - for me the most comprehensive 
would be in I2NSF

0..255 could be 0..max

MD5 needs calling out as no longer strong enough both in the YANG module 
and in Security Considerations, perhaps making AO the default, perhaps 
making MD5 deprecated.  The Security AD will do this if noone else does 
but why make work for him?  opsawg-l3sm-l3nm and dhcpv6-yang went this 
way recently

the statistics with their protocol detail need references even if every 
one is 793bis

YANG 'action' could probably do with a NACM default deny-all

5.1 This document registers two URIs...
Really?

Examples should use documentation IP addresses

An IPv6 example might create a good impression

The convention for line wrap would be better for a reference to RFC8792

Tom Petch


>> More parochially, is it time for this I-D to build on 793bis and not 793?
>
> Good catch, I have suggested the same recently in other context ( https://mailarchive.ietf.org/arch/msg/tcpm/WF6OApDuj_nSlY_S-J-G1bgxWp0/ ).
>
> IMHO we should start referencing 793bis in all documents last called in TCPM after 793bis. I should have done that myself... Mea culpa...
>
> Note, however, that so far there is no clear consensus in TCPM on when to use 793bis as new normative reference for TCP, mostly since 793bis is still in IESG evaluation.
>
>> The web reference is insecure and ood.
>
> Good catch. Thanks.
>
>> The title in the reference clause is not that of the I-D.
>
> Yep, albeit that text will have to be fixed by the RFC Editor anyway.
>
>> The IANA COnsiderations do not follow the template of RFC6020.
>
> Mahesh may be in a better position to comment on that.
>
> Thanks for the comments!
>
> Michael
>
>> Tom Petch
>>
>>> --
>>> Yoshi
>>>
>>> On Tue, Oct 19, 2021 at 9:01 AM <[e-mail]> wrote:
>>>
>>>>
>>>> A New Internet-Draft is available from the on-line Internet-Drafts
>>>> directories.
>>>> This draft is a work item of the TCP Maintenance and Minor Extensions
>> WG
>>>> of the IETF.
>>>>
>>>>           Title           : YANG Model for Transmission Control Protocol
>>>> (TCP) Configuration
>>>>           Authors         : Michael Scharf
>>>>                             Mahesh Jethanandani
>>>>                             Vishal Murgai
>>>>           Filename        : draft-ietf-tcpm-yang-tcp-03.txt
>>>>           Pages           : 22
>>>>           Date            : 2021-10-19
>>>>
>>>> Abstract:
>>>>      This document specifies a minimal YANG model for TCP on devices that
>>>>      are configured by network management protocols.  The YANG model
>>>>      defines a container for all TCP connections and groupings of
>>>>      authentication parameters that can be imported and used in TCP
>>>>      implementations or by other models that need to configure TCP
>>>>      parameters.  The model also includes basic TCP statistics.  The model
>>>>      is NMDA (RFC 8342) compliant.
>>>>
>>>>
>>>> The IETF datatracker status page for this draft is:
>>>> https://datatracker.ietf.org/doc/draft-ietf-tcpm-yang-tcp/
>>>>
>>>> There is also an htmlized version available at:
>>>> https://datatracker.ietf.org/doc/html/draft-ietf-tcpm-yang-tcp-03
>>>>
>>>> A diff from the previous version is available at:
>>>> https://www.ietf.org/rfcdiff?url2=draft-ietf-tcpm-yang-tcp-03
>>>>
>>>>
>>>> Internet-Drafts are also available by anonymous FTP at:
>>>> ftp://ftp.ietf.org/internet-drafts/
>>>>
>>>>
>>>> _______________________________________________
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>>>> Internet-Draft directories: http://www.ietf.org/shadow.html
>>>> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt
>>>>
>>>
>>>
>>>
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