Re: Confirming source-routed multicast is dead on the public Internet

[Adam Davenport <adam () davenpro com>]

I can confirm that GTT does indeed filter IP sourced from 224.0.0.0/4 at its edge.

On 7/31/2018 6:44 PM, Patrick W. Gilmore wrote:
> It is hard to prove a negative.
>
> So let’s prove a positive. One of the largest (2nd largest?) transit networks on the planet just affirmatively stated 
> they filter at their border. It is now possible to state that multicast is not ubiquitous on the Internet.
>
> If any other large transit network (L3, GTT, HE, Cogent, etc.) would like to confirm they filter at their borders as 
> well, that would put the final nail in the coffin.