Messages in this thread | | | From | (Linus Torvalds) | Subject | Re: zero-copy TCP fileserving | Date | 4 Jun 1999 07:35:19 GMT |
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In article <19990603210156.U1415@mencheca.ch.genedata.com>, Matthew Wilcox <Matthew.Wilcox@genedata.com> wrote: >On Thu, Jun 03, 1999 at 01:34:09PM -0400, Richard B. Johnson wrote: >> I heard that at one time Sun didn't bother to checksum packets that >> arrived via Ethernet. I don't know if it's true. Of course without > >SunOS 4.x had UDP packet checksums disabled at boot to improve NFS >performance. Hey, who cares about DNS?
There were also known problems with certain Sun network cards that didn't check the ethernet checksum all that closely or something like that, because there were known NFS corruption issues due to that optimization. As some people found out the hard way..
But as you say, who cares about file integrity anyway?
Linus
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