Re: [ovs-discuss] Question about megaflow

2017-08-31 Thread Ben Pfaff
On Thu, Aug 31, 2017 at 11:05:34PM -0400, Heyang Wang wrote:
> I have several questions about implementation of megaflow in OVS:
> 
> 1. I want to make sure that megaflow is not supporting priority, so it will
> not cache the overlapping rules in userspace, am I right?
> 
> 2. if overlapping rule will not be added to megaflow cache, what if a new
> rule is adding to the userspace, which will overlap with the rules already
> in the megaflow cache already, what will OVS do at this time?
> 
> 3. Will you have a good solution to solving overlapping rules problem in
> megaflow cache in next version of OVS?

There seems to be an assumption here that overlapping flows cause some
kind of problem for megaflows.  They don't.
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[ovs-discuss] Question about megaflow

2017-08-31 Thread Heyang Wang
Hi,

I have several questions about implementation of megaflow in OVS:

1. I want to make sure that megaflow is not supporting priority, so it will
not cache the overlapping rules in userspace, am I right?

2. if overlapping rule will not be added to megaflow cache, what if a new
rule is adding to the userspace, which will overlap with the rules already
in the megaflow cache already, what will OVS do at this time?

3. Will you have a good solution to solving overlapping rules problem in
megaflow cache in next version of OVS?

Thank you.

Regards,
heyang
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