[ovs-discuss] Re : Re : Re : OvS 1.0.0 Compile error on fedora 13

Jesse Gross jesse at nicira.com
Tue May 25 23:13:59 UTC 2010

On Fri, May 21, 2010 at 2:24 AM, DarkBls <darkbls at yahoo.com> wrote:
> 4) OvS with GRE
> OvS deployed on each server (blade) and connected to a distant
> configuration DB. Each OvS "switch" are cascading to antoher one through Gre
> Tunnel.
> PRO:
> Nothing to do on hardware in case of adding / removing virtual platform.
> Can migrate a full switch with VM on another server without doing
> reconfiguration if the IP used for GRE doesn't change
> Cascading and no stacking. Beware of loop (since there is no STP on OvS)
> and single point of failure in topology
> Scalability / performance ?
> Would have prefered GRE stack instead of cascading to be able to construct
> one (or several) virtual switches through hardware.

Can you explain this last sentence a bit more?  I think the abstraction of a
GRE virtual port is fairly common, so I'm not sure how it differs from what
you were expecting/would prefer.
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