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

Jesse Gross jesse at nicira.com
Wed May 14 23:25:23 UTC 2014


On Tue, May 13, 2014 at 10:38 PM, Vasiliy Tolstov <v.tolstov at selfip.ru> wrote:
> 2014-05-14 0:09 GMT+04:00 Jesse Gross <jesse at nicira.com>:
>> All of these tunnels are going to perform similarly. ARP suppression
>> would need to be implemented on any of them using some kind of
>> controller if that is really the issue.
>
>
> Okay. What about performance and scalability? As i understand in gre i
> can use multipatch tcp, but in case of vxlan i can't use it and need
> to use for example equal cost multipath routing (i don't use bonding).

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.



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