Dear all, I highly recommend you to read this article of Steve Crocker if you want to get more technical insights about the beginnings of the Internet ;-): https://spectrum.ieee.org/tech-history/cyberspace/todays-internet-still-reli... Have a nice day! Kindest regards, Matthias _________________________ Ing. Mag. Matthias M. Hudobnik matthias@hudobnik.at http://www.hudobnik.at