[ovs-dev] [PATCH] ovn: support requested-chassis option for logical switch ports

[Ben Pfaff]

On Fri, Aug 18, 2017 at 12:13:39PM -0400, Lance Richardson wrote:
> This patch adds support for a "requested-chassis" option for logical
> switch ports. If set, the only chassis that will claim this port is the
> chassis identfied by this option; if already bound by another chassis,
> it will be released.
> 
> The primary benefit of this enhancement is allowing a CMS to prevent
> "thrashing" in the southbound database during live migration by keeping
> the original chassis from attempting to re-bind a port that is in the
> process of migrating.
> 
> This would also allow (with some additional work) RBAC to be applied
> to the Port_Binding table for additional security.
> 
> Signed-off-by: Lance Richardson <lrichard at redhat.com>

This seems reasonable to me.

Do you think you could add a little more information to the
documentation, about the intended use of this feature?  It's nice to
have that kind of information at hand to help readers to understand the
goal of a feature.