Access control enhancements for delivery of video and other services

  • US 6,970,461 B2
  • Filed: 11/29/2000
  • Issued: 11/29/2005
  • Est. Priority Date: 11/29/2000
  • Status: Expired due to Fees
First Claim
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1. A network access unit for restricting user access to multicast signals transmitted on a local access network and comprising:

  • a port for receiving a request from a user to join a multicast channel;

    a multicast channel request vetting unit for vetting the request with respect to a predetermined list of permitted multicast channels for that user;

    a transmitter for selectively forwarding the request responsive to the vetting when the list comprises the requested multicast channel;

    wherein the local access network is a shared medium access network.

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