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SubjectRe: Poor Performance for ethernet bonding
Willy Tarreau wrote:
> Hi Ben,
> > Couldn't the bonding code be made to distribute pkts to one interface or
> > another based on a hash of the sending IP port or something? Seems like that
> > would fix the reordering problem for IP packets.... It wouldn't help for
> > a single stream, but I'm guessing the real world problem involves many streams,
> > which on average should hash such that the load is balanced...
> You may take a look at this for enhancements to the bonding driver :
> The XOR method has been implemented to hash the flows based on the SRC/DST
> MAC addresses.

If you are only hashing on MAC addresses, then you would become highly
un-optimized in the case where a machine is communicating with it's
default gateway primarily. Perhaps the XOR hash is really more sophisticated??


> Regards,
> Willy

Ben Greear <> <>
President of Candela Technologies Inc
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