How Ukraine’s Internet still works despite Russian bombs, cyberattacks
washingtonpost.com
washingtonpost.com
Conventional warfare isn’t going to do shit…
And here’s just one of the many good XKCDs about sysadmins https://xkcd.com/705/
Decommissioned Internet precursor ARPANET was allegedly designed " to meet the needs of military command and control against nuclear threats,"
Im not sure about todays Internet, some say it is largely centralized. Other military networks have been separated from it.
In some cases whole countries were taken off from Internet by someone cutting backbone cable with a shovel.