Re: IPv4 Address Exhaustion Effects on the Earth

[Michael Proto <mike () jellydonut org>]

On Tue, Apr 5, 2011 at 5:38 PM, Jared Mauch <jared () puck nether net> wrote:
> On Apr 4, 2011, at 4:30 PM, Jim Gettys wrote:
>
> > Note that the paper "Characterizing Residential Broadband Networks" by Dischinger, et. al. indicates that a large 
> > fraction (in their 2 year old sample, 30% or so) of broadband head ends are running without RED, and should be doing 
> > so if at all possible; alternatives are years out by the time they are tested and deployed, and operators running 
> > without it in congested systems are inflicting pain on their customers.
>
> Something I've observed is if you are sending data 'upstream' on the cable modem setup i have (16 down/ 2 up) and you 
> saturate the upstream, the buffering destroys any downstream capability at the same time.  I'm not even sure where to 
> start diagnosing to explaining this to the carrier involved, as this isn't the desired behavior of a "business class" 
> service.
>
> - Jared

Isn't this just a case or prioritizing outbound ACKs?

http://www.benzedrine.cx/ackpri.html


-Proto