On Mar 6, 2015, at 4:21 AM, Jari Arkko <jari(_dot_)arkko(_at_)piuha(_dot_)net>
wrote:
If there are docs that specify what a host should do with such
"malchecksummed" packets, I'm happy to put a pointer in there. If not,
I'd rather avoid discussing it in this draft.
That may be the best approach. That is, not start specifying protocol in this
document, unless it is just a reference.
FWIW, I re-read 1035 and 2181 and 768 quickly, and did not see such a
statement. But I could have missed it. Or it may have been considered to be
obvious :-)
It is clear that the latter is the case. As Mark points out, if you get a UDP
packet with a malformed checksum, you don't even know if it was actually a UDP
packet.
Given that, I withdraw my request that this document actually specify what to
do when one cannot verify a UDP packet, unless there is a statement about that
in some (probably early) UDP document.
--Paul Hoffman
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