Re: [re-ECN] preliminary draft of problem statement- authors wanted

[<[e-mail]>]

Hi Ingemar.

I posted a version 00d in an email last Friday...

Assuming I get the time tomorrow I will do another revision and post it
(but will then be on holiday for a few days).

Toby

> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On
> Behalf Of Ingemar Johansson S
> Sent: 29 September 2009 06:24
> To: [e-mail]
> Subject: Re: [re-ECN] preliminary draft of problem statement- authors
> wanted
> 
> Hi
> 
> I am a bit lost. Is there any "latest version" of the problem
statement
> draft available (besides the one posted on the list september 18) ?.
> 
> /Ingemar
> 
> > -----Original Message-----
> > From: [e-mail]
> > [mailto:[e-mail]] On Behalf Of
[e-mail]
> > Sent: den 28 september 2009 17:21
> > To: [e-mail]
> > Subject: re-ECN Digest, Vol 7, Issue 151
> >
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> > Today's Topics:
> >
> >    1. Re:  preliminary draft of problem statement- authors wanted
> >       (Mirja Kuehlewind)
> >
> >
> >
---------------------------------------------------------------------
> -
> >
> > Message: 1
> > Date: Mon, 28 Sep 2009 17:22:30 +0200
> > From: Mirja Kuehlewind <[e-mail]>
> > Subject: Re: [re-ECN] preliminary draft of problem statement-
authors
> > 	wanted
> > To: [e-mail]
> > Message-ID: <[e-mail]-
> stuttgart.de>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Hi Toby,
> >
> > two comments for my side so far:
> >
> > Regarding the requirements, I'm not sure if their are
> > understandable for somebody who don't know the re-ECN ideas.
> > Although another ordering might help. And at this point of
> > the document upstream and downstream congestion needs to be
> > explained first.
> >
> > In 5.2 I don't see why you are referring to re-ECN in the
> > first paragraph while remaining very general in the rest of
> > the section. I would prefer to move the reference to re-ECN
> > to the end of the section. Where else a direct mention of ECN
> > as a mechanism giving feedback would make the idea of
> > re-feedback more clear to me.
> > Btw. why has ECN been kicked out completely?
> >
> > Mirja
> >
> >
> > On Friday 25 September 2009 14:13:03 [e-mail] wrote:
> > > Here is what I have done so far. I haven't yet incorporated one of
> > > Michael's abstracts and I still haven't added in the proper list
of
> > > authors. I have heavily edited several sections but have to admit
I
> > > haven't tried to read through to see if it makes any sense.
> > >
> > > I am going to leave this now for a couple of days, probably
> > until Tuesday.
> > > Anyone wanting to edit it in the meantime please feel free!
> > >
> > > Toby
> > >
> > >
> ____________________________________________________________________
> > > Toby Moncaster, Senior Researcher, Network Infrastructure Practise
> > > B54/70 Adastral Park, Ipswich, IP53RE, UK.? [phone]
> > >
> > > > -----Original Message-----
> > > > From: Michael Menth [mailto:[e-mail]]
> > > > Sent: 25 September 2009 00:01
> > > > To: Moncaster,T,Toby,DER3 R
> > > > Cc: [e-mail]
> > > > Subject: Re: [re-ECN] preliminary draft of problem statement-
> > > > authors wanted
> > > >
> > > > Hi Toby,
> > > >
> > > > here is some text for the abstract.
> > > >
> > > > >    We need to add an abstract summarising the problem
> > and pointing
> > > > >
> > > > >    towards congestion exposure as an answer...
> > > >
> > > > I like it short:
> > > >
> > > > The idea of congestion exposure means that a flow reveals an
> > > > estimate of the congestion it causes on its remaining downstream
> > > > path. It makes policing or other actions depending on downstream
> > > > congestion in the Internet more effective and leads thereby to a
> > > > more efficient and fairer Internet. This document
> > motivates the need
> > > > for congestion exposure and illustrates its usefulness in
> > different
> > > > use cases. Therefore, actions should be taken to
> > implement a simple
> > > > form of congestion exposure in the Internet.
> > > >
> > > > However, an enumeration for what congestion exposure may
> > be useful
> > > > can help to catch the reader's interest:
> > > >
> > > > The idea of congestion exposure means that a flow reveals an
> > > > estimate of the congestion it causes on its remaining downstream
> > > > path. Congestion exposure may be useful for various
> > purposes, e.g.,
> > > > meaningful policing at network ingresses, congestion-based
> > > > accounting between ISPs, fairer bandwidth sharing among users,
> > > > increased trust in the congestion-responsiveness of
> > end-systems, and
> > > > possibly congestion-dependent load balancing and routing.
> > Therefore,
> > > > congestion exposure leads to a more efficient and fairer
> > Internet.
> > > > This document motivates the need for congestion exposure and
> > > > illustrates its usefulness in different use cases. Therefore,
> > > > actions should be taken to implement a simple form of congestion
> > > > exposure in the Internet.
> > > >
> > > > The abstract may also contain a summary of the problem (I
> > don't find
> > > > it's necessary in the abstract) and be placed before the
> > text above:
> > > >
> > > > The Internet relies on TCP's congestion control algorithm
> > and saved
> > > > it from a major congestion collapse since its adoption.
> > However, TCP
> > > > is applied on a voluntary base and the bandwidth is fairly
shared
> > > > among flows instead of users. This is problematic so that
> > ISPs take
> > > > simple or advanced policing actions on some sorts of traffic.
> > > > However, since congestion on the downstream path of a flow is
not
> > > > visible, these approaches possibly hit users
> > unnecessarily and are
> > > > not effective enough.
> > > >
> > > >
> > > > Regards,
> > > >
> > > >     Michael
> > > >
> > > > [e-mail] schrieb:
> > > > > Hi Michael,
> > > > >
> > > > > Thanks for the useful feedback. Clearly this document
> > is still in
> > > > > its very early stages. I will try and produce a new
> > version by end
> > > > > of the week  which will hopefully address some of your
> comments.
> > > > >
> > > > > Meanwhile I am still keen to get volunteers willing to
> > contribute
> > > >
> > > > chunks
> > > >
> > > > > of text for any of the sections.
> > > > >
> > > > > Toby
> > > > >
> > > > >> -----Original Message-----
> > > > >> From: Michael Menth
[mailto:[e-mail]]
> > > > >> Sent: 23 September 2009 22:41
> > > > >> To: Moncaster,T,Toby,DER3 R
> > > > >> Cc: [e-mail]
> > > > >> Subject: Re: [re-ECN] preliminary draft of problem statement-
> > > >
> > > > authors
> > > >
> > > > >> wanted
> > > > >>
> > > > >> Hi Toby,
> > > > >>
> > > > >> I read the whole document and still it is unclear in
> > many parts.
> > > > >> I marked them in the attached doc-file. I hope this helps to
> > > > >> improve
> > > >
> > > > its
> > > >
> > > > >> clarity.
> > > > >>
> > > > >> Regards,
> > > > >>
> > > > >>     Michael
> > > > >>
> > > > >> [e-mail] schrieb:
> > > > >>> Hi All,
> > > > >>>
> > > > >>> As promised here is a new draft of the problem
> > statement with a
> > > > >>> bit
> > > > >>
> > > > >> more meat on the bones. There is still an awful lot of
> > work to be
> > > >
> > > > done
> > > >
> > > > >> on this and not too much time to do it. Our absolute
> > deadline to
> > > > >> get something in is October 19th - only just over 3
> > weeks away...
> > > > >>
> > > > >>> As before I would welcome any contributions of text or
> general
> > > > >>
> > > > >> comments. When I have a bit more time I will do proper
xml2rfc
> > > >
> > > > author
> > > >
> > > > >> entries for everyone that has contributed... For political
> > > > >> reasons I want it to be clear that this is a document that
has
> > > > >> been worked on from people across the whole range of
> > the IETF community.
> > > > >>
> > > > >>> Toby
> > > >
> > > >
> > ____________________________________________________________________
> > > >
> > > > >>> Toby Moncaster, Senior Researcher, Network Infrastructure
> > > > >>> Practise B54/70 Adastral Park, Ipswich, IP53RE, UK.  +44
7918
> > > > >>> 901170
> > > > >
> > > > >
> > ------------------------------------------------------------------
> > > > > ---
> > > > >
> > > > >> -
> > > > >>
> > > > >>> --
> > > > >>>
> > > > >>> _______________________________________________
> > > > >>> re-ECN mailing list
> > > > >>> [e-mail]
> > > > >>> https://www.ietf.org/mailman/listinfo/re-ecn
> > > > >>
> > > > >> --
> > > > >> Dr. Michael Menth, Assistant Professor University of
> > Wuerzburg,
> > > > >> Institute of Computer Science Am Hubland,
> > > >
> > > > D-
> > > >
> > > > >> 97074 Wuerzburg, Germany, room B206
> > > > >> phone: [phone] (new), fax: [phone]
> > > > >> mailto:[e-mail]
> > > > >> http://www3.informatik.uni-wuerzburg.de/research/ngn
> > > >
> > > > --
> > > > Dr. Michael Menth, Assistant Professor University of Wuerzburg,
> > > > Institute of Computer Science Am Hubland, D-97074 Wuerzburg,
> > > > Germany, room B206
> > > > phone: [phone] (new), fax: [phone]
> > > > mailto:[e-mail]
> > > > http://www3.informatik.uni-wuerzburg.de/research/ngn
> >
> >
> >
> > --
> > -------------------------------------------------------------------
> > Dipl.-Ing. Mirja K?hlewind
> > Institute of Communication Networks and Computer Engineering
> > (IKR) University of Stuttgart, Germany Pfaffenwaldring 47,
> > D-70569 Stuttgart
> >
> > web: www.ikr.uni-stuttgart.de
> > email: [e-mail]
> > tel: [phone]
> > -------------------------------------------------------------------
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