> Le 19 août 2015 à 13:53, Juliusz Chroboczek <[email protected]> 
> a écrit :
> 
>> The assumption is that the user will want to receive traffic from the
>> ISP.  To do so, it needs to subscribe first (e.g. using MLD) on one of
>> the WANs.  One problem is that you don’t know which WAN.  The solution
>> used here is to subscribe on all WANs.
> 
> Sorry if I'm being dense -- but does that mean that if multiple ISPs route
> multicast, you get duplication of traffic?
> 

If they provide the same traffic (source and group), yes.

Adding some signaling in the Proxy Controller protocol would be a fairly simple 
way to fix that problem.
I do not plan to do that for now.

- Pierre
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