Datacasting
A new market driver that combines aspects of digital TV and World Wide Web is gaining the attention of both the broadcasting and the Internet industries. The service, called datacasting, is the broadcast delivery of data over broadcast TV media, such as over-the-air terrestrial broadcast or cable TV.
Datacasting provides a means to reduce signaling problems evidenced by the Web. For many applications, going to push-mode form of delivery provides an opportunity for scaling to RBB proportions and providing important new revenue sources for the Web.
Datacasting is a bandwidth reduction and signaling reduction technique, which permits greater scaling of the servers and networks, which provide content. The tradeoff in both cases (push-mode ...
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