Keith;
> ] > one business model that might be understandable is: you should support
> ] > multicast if/when it saves you enough bandwidth (over the same content
> ] > being sent over separate unicast streams) to make it worth your cost.
> ]
> ] It means it saves nothing for receivers that they don't want to
> ] receive multicast stream.
> ]
> ] Then, senders are not motvated to send multicast stream.
>
> maybe the ISPs supporting multicast could prioritize that traffic, thus
> providing better service on multicast than unicast, thus providing an
> incentive for receivers to use multicast over unicast.
Prioritization is orthogonal to uni/mulitcast issue.
Users will favour those ISPs which prioritize unicast and pay more money.
Other users may use the prioritized multicast for 1:1 communication.
Masataka Ohta
