Re: [aqm] Warren Kumari's Yes on draft-ietf-aqm-codel-07: (with COMMENT)

Jana Iyengar <jri@google.com> Sun, 09 April 2017 19:06 UTC

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From: Jana Iyengar <jri@google.com>
Date: Sun, 09 Apr 2017 12:06:50 -0700
Message-ID: <CAGD1bZaYLToswSafJ+sR5dQbNHAuzAGB-558uoGRU-o9wqe=Tw@mail.gmail.com>
To: "Mirja Kuehlewind (IETF)" <ietf@kuehlewind.net>
Cc: Warren Kumari <warren@kumari.net>, The IESG <iesg@ietf.org>, Wesley Eddy <wes@mti-systems.com>, aqm@ietf.org, draft-ietf-aqm-codel@ietf.org, "aqm-chairs@ietf.org" <aqm-chairs@ietf.org>
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Subject: Re: [aqm] Warren Kumari's Yes on draft-ietf-aqm-codel-07: (with COMMENT)
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+1 to Mirja's response. I'll do some restructuring. Thanks for your
comments!

On Fri, Apr 7, 2017 at 11:02 AM, Mirja Kuehlewind (IETF) <
ietf@kuehlewind.net> wrote:

> Hi Warren,
>
> thanks for your comments. There will probably be another version so it
> should be easy to incorporate your comments! Also the comment to have
> section 5 earlier was made several times; so probably that will happen as
> well. Thanks!
>
> Mirja
>
>
> > Am 07.04.2017 um 13:44 schrieb Warren Kumari <warren@kumari.net>:
> >
> > Warren Kumari has entered the following ballot position for
> > draft-ietf-aqm-codel-07: Yes
> >
> > When responding, please keep the subject line intact and reply to all
> > email addresses included in the To and CC lines. (Feel free to cut this
> > introductory paragraph, however.)
> >
> >
> > Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.
> html
> > for more information about IESG DISCUSS and COMMENT positions.
> >
> >
> > The document, along with other ballot positions, can be found here:
> > https://datatracker.ietf.org/doc/draft-ietf-aqm-codel/
> >
> >
> >
> > ----------------------------------------------------------------------
> > COMMENT:
> > ----------------------------------------------------------------------
> >
> > I think that this is a useful document - I also think that it would make
> > a good introductory document to describe queuing for e.g a collage class.
> >
> >
> > I do have some readability suggestions to make it even better; these do
> > not need any action, but if the authors happen to edit the document for
> > any other reason, they may want to address them.
> >
> > 1: I found the overall structure of the document a little odd -- I'm
> > assuming that this is an artifact of its history, or merging multiple
> > documents into one, or similar. It starts off with a nice description of
> > queuing and CoDel. It then gets all technical with the pseudo-code (which
> > was really helpful). Where it feels a little odd is that it then suddenly
> > goes back to being much more introductory feeling (Section 5 - ), and
> > feels like it repeats some of the earlier material. Reformatting it all
> > to address this seems like overkill, but perhaps a readers note to
> > suggest people who want more background should skip ahead then come
> > back.
> >
> > 2: Section 1.  Introduction
> > - "determined set point derived from maximizing the network power metric"
> > -- I'd suggest referencing Section 5.2 where power is explained (or, if
> > we assume readers understand this, section 5.2 can be dropped).
> >
> > 3: Section 3.  Overview of the Codel AQM
> > Sojourn time is a really important concept in this document, but it isn't
> > really defined - Section 5.1 is closest to defining it, but still not
> > great.
> >
> > 4: Section 3.1
> > "The MTU size can be set adaptively to the largest packet seen so far or
> > can be read from the driver."
> > It was unclear what driver -- perhaps "interface driver" or simply
> > "interface"?
> >
> > 5: Section 3.2 has an opening parens but no closing one ("known or
> > measure (though ...").
> > This is a tiny nit, but set off my OCD tendencies :-)
> >
> > 6: Section 5.1
> > "We use this insight in the  pseudo-code for CoDel later in the draft.)
> > - earlier in the draft...
> >
> > Section 5.2:
> > AIMD TCP could use a reference.
> >
> >
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