Re: Upstream bandwidth usage

[Mel Beckman <mel () beckman org>]

Right. But MOST is, which is what matters for the trend.  Existing asymmetric PONs is unlikely to be replaced for the 
next 20 years.   

-mel via cell

> On Jun 11, 2022, at 11:11 AM, Chris Hills <chaz () chaz6 com> wrote:
>
> On 10/06/2022 00:31, Mel Beckman wrote:
> > Your point on asymmetrical technologies is excellent. But you may not be aware that residential optical fiber is 
> > also asymmetrical. For example, GPON, the latest ITU specified PON standard, and the most widely deployed, calls for 
> > a 2.4 Gbps downstream and a 1.25 Gbps upstream optical line rate.
>
> Not all residential fiber is asymmetric. Nokia XGS-PON supports 9.953 Tx/Rx (e.g. LTF7226 transceiver).