[e2e] Congestion control as a hot topic in IETF

Scharf, Michael (Michael) michael.scharf at alcatel-lucent.com
Mon Mar 4 14:07:44 PST 2013

There has been some interesting research on whether a transport protocol could work without any congestion control. One reference is: B. Raghavan and A. Snoeren, "Decongestion Control", ACM SIGCOMM Workshop on Hot Topics in Networks, 2006.

Some time ago, I wondered myself whether an Internet without congestion control could work, or not. My (somehow short) insight can be found on page 67 of: http://www.ikr.uni-stuttgart.de/Content/Publications/Archive/Sf_Diss_40112.pdf

<commercial>Section 4.1 and Section 4.2 of that document have been written to give a decent introduction into congestion control, complementing Michael Welzl's excellent book on the same topic</commercial>


Von: end2end-interest-bounces at postel.org [end2end-interest-bounces at postel.org] im Auftrag von Scott Brim [scott.brim at gmail.com]
Gesendet: Montag, 4. März 2013 19:41
An: braden at ISI.EDU
Cc: Joel M. Halpern; end2end-interest at postel.org; john at jlc.net
Betreff: Re: [e2e] Congestion control as a hot topic in IETF

On Mon, Mar 4, 2013 at 12:45 PM, Bob Braden <braden at isi.edu> wrote:
> It seems like an interesting question for research to determine whether
> widespread adoption
> of some future transport protocol with an ill-advised or inadequate CC
> mechanism could still
> cause congestion collapse of  large areas of the Internet,or only local
> patches.  Or has
> that been researched and I missed it?
> Congestion control seems a bit like riding a unicycle -- even after you
> learn how to do it,
> you have to pay attention every moment or you are in danger of falling off.
> Bob Braden

Yup :-).  I was astounded at the "why is congestion control important"
question.  I'm holding back, not being an expert.  I hope he gets 30+
answers ... but so far it seems to have shut everyone up.

When I was for-profit I was told "nobody ever made money on the
control plane".  That could be the problem.


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