[ovs-dev] [PATCH] dpif: Always generate RFC4122 UUIDs for UFID.

Ben Pfaff blp at nicira.com
Tue Jun 9 22:12:05 UTC 2015


On Tue, Jun 09, 2015 at 01:57:59PM -0700, Joe Stringer wrote:
> This patch sacrifices a few bits of hash quality from the 128-bit unique
> flow identifiers to make the UFIDs RFC4122-conformant as per the version 4
> (random) UUID spec. Given that the 128-bit space is already quite large,
> this should not affect the spread of UFIDs in any meaningful way for
> hashing.
> 
> Signed-off-by: Joe Stringer <joestringer at nicira.com>
> ---
> This is independent of the recent series "odp-util: Reuse UUID
> marshalling for UFID.", but may make more sense in the context of the
> discussion on that patch.

Acked-by: Ben Pfaff <blp at nicira.com>



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