Mark Andrews wrote:
>> Yes, it is. Generating an ICMP PTB is as burdensome as
>> fragmenting a packet.
>
> Well it could be done at wire speed.
Both of them could be.
> There is no theoretical reason
> why it has to be more burdensome than forwarding a packet.
That's not my point.
> The communiction fails.
It depends on layer 4 and above.
> Additionally routers normally rate limit
> PTB generation thereby reducing cpu loads to a acceptable level
> which is the whole point of moving the fragmentation to the originating
> node.
Routers can rate limit fragment generation, too.
Masataka Ohta
