[103547] in North American Network Operators' Group

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Re: "Does TCP Need an Overhaul?" (internetevolution, via slashdot)

daemon@ATHENA.MIT.EDU (Hank Nussbacher)
Sat Apr 5 13:58:36 2008

Date: Sat, 5 Apr 2008 20:49:28 +0300 (IDT)
From: Hank Nussbacher <hank@efes.iucc.ac.il>
To: nanog@merit.edu
In-Reply-To: <2E9F3D63-3047-42C8-AF1A-584D7E60A46F@dragondata.com>
Errors-To: owner-nanog@merit.edu


On Sat, 5 Apr 2008, Kevin Day wrote:

> On Apr 4, 2008, at 8:51 PM, Paul Vixie wrote:
>>
>> 	What is really necessary is to detect just the flows that need to 
>> slow
>> 	down, and selectively discard just one packet at the right time, but
>> 	not more, per TCP cycle. Discarding too many will cause a flow to
>> 	stall -- we see this when Web access takes forever.
>> 	...
>> 
>> i wouldn't want to get in an argument with somebody who was smart and savvy
>> enough to invent packet switching during the year i entered kindergarden,
>> but, somebody told me once that keeping information on every flow was *not*
>> "inexpensive."  should somebody tell dr. roberts?

I suggest reading the excellent page:
"High-Speed TCP Variants":
http://kb.pert.geant2.net/PERTKB/TcpHighSpeedVariants

Enough material there to keep NANOG readers busy all weekend long.

-Hank

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