Due to the demand being predominately in the downward direction, half-duplex (or effectively half-duplex) systems either allocate more TDMA slots or more channels to downstream, at the expense of upstream.



-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com

Midwest-IX
http://www.midwest-ix.com


From: "Michael Thomas" <mike@mtcc.com>
To: nanog@nanog.org
Sent: Thursday, June 9, 2022 3:46:24 PM
Subject: Re: Upstream bandwidth usage


On 6/9/22 1:26 PM, Mel Beckman wrote:
> With 430 GB versus 32 GV average down versus up usage today, according
> to your article, this is still not a case for symmetrical consumer
> bandwidth. Yes, the upstream usage increased slightly more than the
> downstream usage. But the ratio was still so big that it would take
> decades for them to join. I doubt they ever will. Consumers just don’t
> have that much days up to push yet, and probably never will.
>
> Also, a lot of that Usage can be explained by video conferencing
> during Covid, which has dropped off significantly already.
>
>
If it's so tiny, why shape it aggressively? Why shouldn't I be able to
burst to whatever is available at the moment? I would think most users
would be happy with that.

Mike