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Re: node types etc.
> TCP checksums avoid that [the problems, not the error checking],
> reuse code, and are heavily optimized on most architectures. I'd vote
> for them.
CRCs may well be cheaper on 32-bit machines than IP checksums, even if the
IP checksum routines are optimised.
I think the IP checksum routines are optimised for the copy_and_checksum
case, which I'm not sure is what we'll be doing in JFFS.
Benchmarks welcome :)
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