I am old enough to have been a JANET site administrator. The JANET when I used it ran over a private X.25 network with a few gateways to BT's public X.25 netwo

I am old enough to have been a JANET site administrator. The JANET when I used it ran over a private X.25 network with a few gateways to BT's public X.25 network. There was a gateway to the internet at University of London Computer Centre but it only provided an FTP client.