[e2e] Congestion control as a hot topic in IETF

Emmanuel Lochin emmanuel.lochin at isae.fr
Wed Mar 6 09:40:47 PST 2013

Hi all,

We've attempted with success to implement a Decongestion Control 
Transport Protocol following A. Snoeren and T. Bonald Infocom'09 paper : 
"Is the law of Jungle sustainable for the Internet". We defined an 
"Anarchical Networks" scenario and tested our proposal named DCTP with 
Achoo (proposed by A. Snoeren) over a simulated ISP-like topology.
Preliminary results tend to confirm that both Snoeren and Bonald are 
right and that such architecture is sustainable.
You'll find our first experiments in the slides available here: 


On 05/03/2013 13:07, Scharf, Michael (Michael) wrote:
>> Am 04.03.2013 23:07, schrieb Scharf, Michael (Michael):
>>> 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.
>> I remember that you, some years ago, asked whether networking
>> can be done without flow control.
> My comment is about network designs that typically assume erasure codes and flow-based queueing/scheduling in all network nodes. Actually, it took me a while to fully understand why this is no alternative to the way Internet congestion control works today. But, for what it is worth, I found the overall idea intesting.
> Michael

Emmanuel Lochin
Professeur ISAE - OSSI
Institut Supérieur de l'Aéronautique et de l'Espace (ISAE)
Issu du rapprochement SUPAERO et ENSICA
10 avenue Edouard Belin - BP 54032 - 31055 Toulouse cedex 4
Tel : 05 61 33 91 85 - Fax : 05 61 33 91 88
Web : http://personnel.isae.fr/emmanuel-lochin/
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