Access control enhancements for delivery of video and other...

Details Access control enhancements for delivery of video and other... Access control enhancements for delivery of video and other...

2005-11-29

2005-11-29

Marcelo, Melvin (Department: 2662)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C725S027000

Reexamination Certificate

active

06970461

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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Internet Engineering Task Force, ‘RTP Profile for Audio and Video Conferences with Minimal Control’—Schulzrinne/Casner Columbia U. / Cisco Systems, Oct. 21, 1999.
Deering S: “Host Extensions for IP Multicasting” Internet Specification RFC, XX, XX, No. 1112, Aug. 1, 1989, pp. 1-17, XP002007299.

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