It looks like after 10 years and much effort, that new server techniques and the massive dropping in server hardware costs may finally be making Microsoft TV an affordable solution for an operator.
Server virtualization slims Microsoft Mediaroom model – FierceIPTV
It used be said that the Microsoft solution needed football pitches of servers, but now it seems that they have finally got it down to the final target for hardware although the server power today is far more than the Pentium Pro based servers of 1999/2000. I will say though that one trick that Microsoft may have kept is that the total number of Windows licenses in the virtualized solution is probably the same as that football pitch worth 