SDN Internet Router (sir)

Masataka Ohta mohta at
Sat Jan 7 09:52:19 UTC 2023

Matthew Walster wrote:

> No... It's action based. You can send it a different route, you can
> replicate it, you can drop it, you can mutate it...

Replication is a poor alternative for multicast.

For other actions, why, do you think, they are performed?

Just for fun? Or to differentiate treatment of some packets,
that is, prioritization?

> You can send it to a
> different destination for stateful filtering when it doesn't match an
> expected pattern!

Unless pattern is as simple as having certain port number,
stateful filtering almost always needs all packets including
those matching expected pattern, I'm afraid.

> SDN is not just QoS routing, please stop saying that.

See above.

> Nope, not true. Had 1000 routes, only 100 available in FIB. So you filter
> to the top 50 doing traffic and default route the rest of the traffic. Less
> entries.

If default route is acceptable, just rely on it along with
50 non default routes with plain IP routers.

						Masataka Ohta

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