Access control enhancements for delivery of video and other services
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 29, 2005
Grant Date -
Dec 2, 2004
app pub date -
Nov 29, 2000
filing date -
Nov 29, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A method of providing secure multicast over a local access network by means of a network access unit having a channel request vetting function and a permitted channel list. Channel requests from a subscriber are vetted with respect to the permitted channel list and forwarded only if permitted. The permitted list may be dynamically updated under headend control to allow users to subscribe to, and unsubscribe from, services upon request.
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Cited Art Landscape
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