Confirming source-routed multicast is dead on the public Internet

Saku Ytti saku at
Wed Aug 1 17:51:13 UTC 2018

On Wed, 1 Aug 2018 at 20:47, Saku Ytti <saku at> wrote:

> I'm sure both of your use cases are used extensively in internal
> network. I've worked for company who distributed broadcast TV on their
> MPLS IP backbone, two-plane network, red and blue, one copy for each
> tv channel on both planes and far-end drops redundant copy. Very
> attractive solution commercially for client and provider. But no
> potential for global scale.

Just to clarify what I mean by 'broadcast TV', these streams were not
received by set-top boxes receiving IP packets. End-users were
cable/antennae users, 'client' was receiving the content at antennae
site to be transmitted over air.
Classically these are separate purpose built networks, which are very
expensive, so in this particular case everyone won, except the legacy
provider who was billing for the purpose built network.


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