Hi Ole,
I agree - but completely reinventing the wheel is not a the best course
either. These are tried and tested implementations and are worth
reusing, I do agree that integrating through the Linux Kernel is not ideal.
We developed the router plugin to show that integration was possible we
never claimed that it was the 'best' way to integrate either.
Plugging a Quagga/FRR/Bird etc into VPP/HC is definitely the better
path. Historically it has been hard with Quagga due to GPL licensing, I
understand that FRR is the easiest path.
Ray K
On 11/04/2018 09:33, Ole Troan wrote:
Hi Jan,
Is someone actively maintaining the router plugin?
I'm not a big fan of the router plugin.
The starting point of the router plugin is "how can you take an unmodified routing
protocol implementation and make it work with VPP".
That leads to all kinds of complexities as the two methods they tried shows.
If we change the premise does the solution space look better?
I think we could change the routing protocol implementation to talk directly
with VPP's API for interfaces / interface events, it programs the VPP FIB
directly.
Then it could send and receive packets somewhat similar to what we have for the
punt Unix domain socket.
We might need a better punt path mechanism, where a Linux application can
register for a particular IP protocol (like 89 for OSPF) on a particular
interface. But that should be easy to do.
I did have a brief chat with David Lamparter of Quagga fame and he had thought
about doing it in a similar way.
What is your particular use case? Is it just a routing protocol you need?
Best regards,
Ole
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