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Simpler routing because address blocks are not fragmented. IPv6 does not have a header checksum so that's one less task for routers. Packet fragmentation is no
by supertrope 3y ago
Simpler routing because address blocks are not fragmented. IPv6 does not have a header checksum so that's one less task for routers. Packet fragmentation is no longer done by routers. IPv6 capable gear tends to be newer and higher performance. There's no NAT step or even worse CGNAT.
- abrookewood 3y agoFor those that were wondering: Unlike in IPv4, IPv6 routers never fragment IPv6 packets. Packets exceeding the size of the maximum transmission unit (MTU) of the destination link are dropped and this condition is signaled by a Packet too big ICMPv6 message to the originating node, similarly to the IPv4 method when the Don't Fragment bit is set.
- toast0 3y ago> Packet fragmentation is no longer done by routers. The overwelming majority of IPv4 packets have the DF bit set. A large number of services drop inbound fragments anyway (if you get more than a couple a minute, it's almost certainly abuse).