[iptv-users] IPTV unicast

[Dan White]

On 08/03/11 11:54 +0100, cherqui nawfal wrote:
>Hello everyone,
>
>I would like to know the feasibility of implementing a solution of an IPTV
>in unicast here is the problem,
>
>I have 300 mbps from the server and i want to deliver 8 channels , and i
>dont have lot of clients arout 30.
>My problem is :In some POPs, their is just one client connected, and who had
>30 Mbps for example. And the rate correspending sent to the DSLAM is 300
>since i am using multicast so in this case i think it s better if i can send
>the IPTV by unicast.
>
>I was thinking about a solution where i can send the TV by unicast, and when
>i reach some level (i mean number of connected clients in IPTV network) i
>switch to the multicast.
>
>Can some one tell me if it s a good idea or no.
>btw i willing to implement an  open source solution.

The general solution for 'shipping' multicast as unicast would be to
implement multicast routing, or PIM, in sparse mode. Multicast would then
only be delivered to your (PIM aware) POP when a user requests it. The
delivery from the POP to your customer would still be multicast.

-- 
Dan White