On Wed, Oct 14, 2020, 6:34 PM Peter Fairbrother <peter@tsto.co.uk> wrote:
On 14/10/2020 18:22, jim bell wrote:


To put some BOTE numbers on that, suppose you want to provide for 1
million concurrent users. You have about 150 TB per month user traffic
to play with (500 x 1TB, ~3 hops), 150 MB per month per user, or 450 Baud

Let's say each user has 500Mbps up and down.  I usually break out a shell interpreter like python and type things in to get them exact.

A single user transfers 150 TB a month with 500 Mbps.

>>> 500*1024**2 / 8 * 60 * 60 * 24 * 30 / 1024**4
154.4952392578125

So a million users would be a _million_ times that.  Each taking three hops is a pretty small factor, still beyond petabytes of transfer ... what error have I made?