[ovs-dev] OpenvSwitch for Ubuntu 14.04 LTS

[Vina Ermagan (vermagan)]

Hi Jesse,

We have started working on implementing LISP support in Linux kernel,
following the VXLAN and GRE model. However that process will take a little
while. On the other hand, Lori submitted a patch for generic L3 tunneling
in OVS (about a month ago), which is still pending review. That patch
should help in closing this gap, until the linux implementation is ready.

In the meanwhile, we rely on the OVS 2.0 out of tree Module for the LISP
feature.

Best,
Vina

On 11/8/13 11:54 PM, "Jesse Gross" <jesse at nicira.com> wrote:

>On Tue, Nov 5, 2013 at 5:00 PM, James Page <james.page at ubuntu.com> wrote:
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>>
>> Hi OpenvSwitch Devs
>>
>> Ubuntu 14.04 development has now opened; I've uploaded the 2.0.0
>> release - but I wanted to get some guidance on whether we still need
>> to ship the DKMS packages.
>>
>> Ubuntu 14.04 will ship Linux 3.13 which will have support for VXLAN
>> and GRE overlay networks directly in the native openvswitch kernel
>>module.
>>
>> Are there any features in the DKMS module that would mean that users
>> would wish to use DKMS over the native kernel support?
>
>I looked through things and the only feature that is in OVS 2.0 but
>not in Linux 3.13 is LISP. 3.13 is newer than 2.0 so it actually even
>has a couple of optimizations not present in the OVS 2.0 out of tree
>module.
>
>I haven't personally heard of anyone using the OVS implementation of
>LISP so this doesn't seem like a big issue to me. However, it is
>included in the OVS userspace documentation so if someone were to turn
>it on then it would appear to be broken, which isn't ideal.
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