[ovs-dev] [RFC PATCH v2 00/13] Add Network Service Header Support

Jesse Gross jesse at kernel.org
Wed Jul 13 14:35:59 UTC 2016


On Wed, Jul 13, 2016 at 4:04 AM, Brady Allen Johnson
<brady.allen.johnson at ericsson.com> wrote:
> I wanted to mention though, currently the type 2 metadata (MD2) isnt a top
> priority for us. It looks like its already been investigated how to use some
> existing OVS TLV code to implement this, so it should be easy to add MD2 in
> the future. Can we consider first merging the core NSH functionality without
> MD2, and then submit MD2 in a subsequent patch?

I think history tells us how this will end - similar to IPv4 options,
implementations that don't implement TLVs will become deployed and
then when there is a use for them it's no longer possible. Since I
don't want OVS to have a half implementation or contribute to this
issue, I'd like to see the whole protocol implemented before I apply
anything.



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