Instead of "never fragment in-transit", I think IPv6 should've put a single "truncated" bit in the header. When a packet hits a link that's too small, the rout

Instead of "never fragment in-transit", I think IPv6 should've put a single "truncated" bit in the header. When a packet hits a link that's too small, the router chops off the end and sets the bit. Let the endpoints figure out what to do with that information.