Hi Ben, 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?
+++++++++++++++++ Best, Hao On Tue, Sep 29, 2015 at 11:16 AM, Ben Pfaff <b...@nicira.com> wrote: > On Tue, Sep 29, 2015 at 11:12:17AM +0800, Hao Wu wrote: > > In OVS NSDI'15 paper, it mentions there is a new megaflow cache in the > > kernel space. I think it is an active subset of the flow table in user > > space. Does a megaflow entry contain any wildcard bits? > > Yes. >
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