mdns can still be "fun" in a wide variety of situations. https://www.reddit.com/r/k12sysadmin/comments/9yghdx/chromebooks_and_peer_to_peer_updates_can_be/
I do not know to what extent the upgrade to unicast feature long gestating in the IETF has been adopted. On Mon, Feb 19, 2024 at 11:10 AM Hunter Fuller via NANOG <nanog@nanog.org> wrote: > > On Mon, Feb 19, 2024 at 9:17 AM William Herrin <b...@herrin.us> wrote: > > There's also the double-ISP loss scenario that causes Joe to lose all > > global-scope IP addresses. He can overcome that by deploying ULA > > addresses (a third set of IPv6 addresses) on the internal hosts, but > > convincing the internal network protocols to stay on the ULA addresses > > is wonky too. > > In the real world today, most applications seem to use mDNS and > link-local addresses to keep this connectivity working. (I am guessing > Joe's Taco Shop uses something like Square, and just needs his > register to talk to his printer. This already works with mDNS and > link-locals today.) > > -- > Hunter Fuller (they) > Router Jockey > VBH M-1C > +1 256 824 5331 > > Office of Information Technology > The University of Alabama in Huntsville > Network Engineering -- 40 years of net history, a couple songs: https://www.youtube.com/watch?v=D9RGX6QFm5E Dave Täht CSO, LibreQos