| 摘要 |
A system, method and computer readable medium are disclosed that allow a set top box to receive control messages transmitted using multicasting. The set top box is programmed with either an address or a URL that it uses to obtain the control messages directly, or obtain other messages that carry the multicast address. In other implementations, a specialized offer message is transmitted to the set top box in response to a discover message. Embedded within the specialized offer message is the multicast address being used to multicast the control messages.
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