My 'fix the Internet' gripe is to finally stop assuming that 1500 bytes is a large MTU. It's not 1990 anymore. We can send much larger packets if only PMTUD wor

My 'fix the Internet' gripe is to finally stop assuming that 1500 bytes is a large MTU. It's not 1990 anymore. We can send much larger packets if only PMTUD worked. But NAT, but 1280 bytes in IPv6 land, but ...