In your previous mail you wrote:
It's time to accept the fact that something is very wrong. I don't know
if the fatal flaws are in the basic idea, the routing, the greedy
shortsightedness of ISP's, or some evil conspiracy. Regardless of why,
if it is be dead dead, it's not alive. It's time to fix it or bury it.
=> according to some discussions with ISP technical people,
IMHO the problem is the cost in managing the routing stuff:
this cost (a large number of skilled engineers) is higher than
the turnover! But there is a good news: SSM already seems to
have got market acceptance so multicast is not yet dead...
Regards
Francis(_dot_)Dupont(_at_)enst-bretagne(_dot_)fr