[ovs-discuss] Does a megaflow cantain wildcard bits in OVS cache?

Ben Pfaff blp at nicira.com
Tue Sep 29 03:34:34 UTC 2015

On Tue, Sep 29, 2015 at 11:33:15AM +0800, Hao Wu wrote:
>   I think each megaflow table is built according to a certain tuple
> consisting of fields. If we don't care some bits in the packet, we won't
> select them in the matching tuple, so why we still need the wildcard bits?

Which bits a flow matches must be tracked somehow.

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