It's an odd notion, but Net pioneer Vint Cerf knows his stuff. Cerf says that the Net as currently configured doesn't lend itself well to video on demand services. If everyone in your neighborhood was streaming or downloading high-def video at the same time, the load on the networks would be insupportable, he says.
Better is a system used by MovieBeam, which uses spare TV bandwidth to broadcast (or "multicast") data to subscribers' receivers all at once, and store a bunch of movies locally. The Net could adopt this model by letting ISPs use satellite transmissions … Read more