Mark Cuban writes: "... This isn’t to say that an internet with multicast tunnels routed throughout the net to any end user cant happen. I’ts just to say that it isn’t anywhere I can find it right now. Without it, there is no such thing as bandwidth efficient LIVE internet TV. Without it, there is no equivalent to broadcast TV on the internet. Without it, there is no possible way broadcast TV, defined as what we see on major networks that own broadcast spectrum, ala ABC, CBS, NBC, WB, UPN, etc. is going away anytime soon. ¶ The internet can’t support the equivalent of broadcast TV because the internet can’t broadcast. It can deliever individual (unicast streams) streams, but that’s it. This is why AOL streaming 350k simultaneous Live8 users was a big deal. Instead of a single 300k video stream that every one tuned into, every viewer had to have their own 300k stream. That’s a boatload of bandwidth and is expensive. ..." Link: blog maverick.
Also see Chris Anderson: Mark Cuban's Blind Spot. Link: The Long Tail weblog. --Dennis
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