On Tue, Sep 27, 2011 at 05:54:06PM +0800, huyannan1 wrote:
> I noticed from the following page http://openvswitch.org/features/
> that ovs 1.1.2 has a Multi-table forwarding pipeline with flow-caching
> engine feature.I want to know what's the relationship between this
> feature and the OF 1.1 Multiple tables. Are they the same? if not,
> what are the differences?
You mean OVS 1.2.2.
It's related to the OpenFlow 1.1 multiple table support, but:
- It uses extensions to OpenFlow 1.0, instead of implementing
OpenFlow 1.1.
- In the software switch, progress from one table to another
occurs only due to explicit "resubmit" actions, never
automatically.
- In the software switch, there's no restriction in the order in
which tables may be visited; even recursive visits are
allowed.
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