Multicast Control
1 Assignment
0 Petitions
Accused Products
Abstract
A method and arrangement for optimizing bandwidth usage in a Multicast Services Control System (MSCS), which transports digital information in a multicast stream from a broadband network to a Set Top Box (STB) connected to a terminal TV. When the terminal TV is disabled, and can no longer utilize the multicast stream, the terminal TV sends a terminal status signal to the STB indicating deactivation of the terminal TV. In response, the STB sends an IGMP leave report signal to the broadband network, which then ceases its transmission of the multicast stream to the STB.
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Citations
38 Claims
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1-19. -19. (canceled)
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20. A method of optimizing bandwidth usage in a multicast services control system (MSCS) for digital information transport, wherein the MSCS includes a broadband Network transmitting a multicast stream to a Set Top Box (STB) connected to a terminal, said method comprising the steps of:
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receiving by the STB, a terminal deactivation signal from the terminal indicating that the terminal has been deactivated; and sending an IGMP leave report signal from the STB to the broadband network in response to the terminal deactivation signal. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. An arrangement for optimizing bandwidth usage in a multicast services control system (MSCS) for digital information transport, wherein the MSCS includes a broadband Network transmitting a multicast stream to a Set Top Box (STB) connected to a terminal, said arrangement comprising:
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means within the STB for receiving a terminal deactivation signal from the terminal indicating that the terminal has been deactivated; and means within the STB for sending an IGMP leave report signal from the STB to the broadband network in response to the terminal deactivation signal. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. An article for manufacture comprising a program storage memory having computer readable program code embodied therein, wherein the program code causes a processor of a Set Top Box (STP) to perform the following steps when the program code is run on the processor:
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receiving a terminal deactivation signal from the terminal indicating that the terminal has been deactivated; and sending an IGMP leave report signal from the STB to the broadband network in response to the terminal deactivation signal.
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Specification