Thus spake "Iljitsch van Beijnum" <[EMAIL PROTECTED]>
In IPv4 UDP checksums are optional, but not in IPv6.
That's because IPv4 has its own header checksum and IPv6 doesn't. The work
for IPv6 with a UDP checksum is no worse than for IPv4 without a UDP
checksum. IIRC, that was intentional.
There's reasons to debate UDP encapsulation, e.g. load balancing, but
checksum costs is not one of them.
S
Stephen Sprunk "God does not play dice." --Albert Einstein
CCIE #3723 "God is an inveterate gambler, and He throws the
K5SSS dice at every possible opportunity." --Stephen Hawking
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