[ovs-discuss] best (tunnel?) connection many virtual hosts with vm to each other

[Jesse Gross]

On Wed, May 14, 2014 at 9:18 PM, Vasiliy Tolstov <v.tolstov at selfip.ru> wrote:
> 2014-05-15 3:25 GMT+04:00 Jesse Gross <jesse at nicira.com>:
>> VXLAN generally has better interaction with ECMP but otherwise they
>> are the same. I would recommend reading about VXLAN and GRE as there
>> are quite a few articles floating around.
>
>
> Thanks! What about NVGRE - i found some thing that NVGRE support
> already in openvswitch, some articles that says that GRE in
> openvswitch equal of NVGRE, and some articles that NVGRE can be
> supported, but not supported now.

NVGRE adds some control semantics on top of the basic GRE dataplane.
OVS supports the latter and the former should be possible to add
through a controller but isn't implemented natively in OVS.