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Can't forget the SIP (Simple Internet Protocol) proposal https://datatracker.ietf.org/doc/html/rfc8507 https://datatracker.ietf.org/doc/html/rfc8507

• mhandley 5y ago
  Of course that SIP (not my one) and Paul Francis's PIP were what got merged to become IPv6. The rationale was that 128 bit addresses allowed all the flexibility of address hierarchies from PIP within a fixed length address. With hindsight, we've never really tried to use that flexibility in the real world, but the capability is there if we need it.
  • pantalaimon 5y ago
    > With hindsight, we've never really tried to use that flexibility in the real world, but the capability is there if we need it. Maybe not in public networks, but if you run your own network you can easily make use of auto-subnetting. e.g. see [0], [1] [0] https://github.com/RIOT-OS/RIOT/tree/master/examples/gnrc_networking_subnets https://github.com/RIOT-OS/RIOT/tree/master/examples/gnrc_ne... [1] https://summit.riot-os.org/2021/wp-content/uploads/sites/16/2021/09/s03-03.pdf https://summit.riot-os.org/2021/wp-content/uploads/sites/16/...