Re: [6lo] Mirja Kühlewind's Discuss on draft-ietf-6lo-fragment-recovery-13: (with DISCUSS and COMMENT)

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Tue, 24 March 2020 06:19 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Suresh Krishnan <suresh.krishnan@gmail.com>
CC: "Pascal Thubert (pthubert)" <pthubert=40cisco.com@dmarc.ietf.org>, "Mirja Kuehlewind" <ietf@kuehlewind.net>, "6lo-chairs@ietf.org" <6lo-chairs@ietf.org>, The IESG <iesg@ietf.org>, "6lo@ietf.org" <6lo@ietf.org>, "draft-ietf-6lo-fragment-recovery@ietf.org" <draft-ietf-6lo-fragment-recovery@ietf.org>, Carles Gomez <carlesgo@entel.upc.edu>, Martin Duke <martin.h.duke@gmail.com>, "Benjamin Kaduk" <kaduk@mit.edu>
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Subject: Re: [6lo] =?utf-8?q?Mirja_K=C3=BChlewind=27s_Discuss_on_draft-ietf-6?= =?utf-8?q?lo-fragment-recovery-13=3A_=28with_DISCUSS_and_COMMENT=29?=
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Aïe, true!

Can we leave it to the RFC editor?

Be safe!

Pascal

> Le 23 mars 2020 à 23:03, Suresh Krishnan <suresh.krishnan@gmail.com> a écrit :
> 
> Hi Pascal,
>  I went through the latest rev and found an off-by-one error on the Fragment size.
> 
> * Section 5.1.
> 
>   Fragment_Size:  10-bit unsigned integer; the size of this fragment in
>      a unit that depends on the Link-Layer technology.  Unless
>      overridden by a more specific specification, that unit is the
>      byte, which allows fragments up to 1024 bytes.
> 
> Shouldn’t this be fragments upto *1023* bytes instead of 1024 bytes?
> 
> Thanks
> Suresh
> 
>> On Mar 23, 2020, at 9:54 AM, Pascal Thubert (pthubert) <pthubert=40cisco.com@dmarc.ietf.org> wrote:
>> 
>> Hello Again Mirja : )
>> 
>> 
>>> Thanks for this additional text. I just cleared my discuss.
>> Very cool; again and again, many thanks for your deep reviews.
>> 
>>> 
>>> A couple of nits you/Suresh maybe want to add as RFC editor note:
>> 
>> 
>> Happy to republish:           https://www.ietf.org/rfcdiff?url2=draft-ietf-6lo-fragment-recovery-21 
>> 
>>> 
>>> OLD
>>> Note that the action upon detecting a congestion only applies till the end of
>>> the datagram 
>>> NEW Note that the action upon detecting congestion only
>>> applies till the end of the datagram.
>>> MAYBE EVEN
>>> Note that any action that has been performed upon detection of congestion
>>> only applies for the transmission of one datagram
>> 
>> Picked the latter
>> 
>>> 
>>> OLD
>>> an inter-frame gap can be as a flow control or a congestion control measure
>>> NEW The inter-frame gap can be used as a flow control or a congestion
>>> control measure
>> 
>> done
>> 
>>> OLD
>>> a conservative Window_Size of, say, 3, will be the gating factor that starves
>>> the sender 
>>> MAYBE a conservative Window_Size of, say, 3, will be the gating
>>> factor that limits the transmission rate of the sender
>>> 
>> 
>> 
>> Again and again, many thanks;
>> all the best with the IAB,
>> 
>> Pascal
>> 
>