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Unicast/multicast architecture

  • US 20040042479A1
  • Filed: 05/08/2003
  • Published: 03/04/2004
  • Est. Priority Date: 06/20/2000
  • Status: Active Grant
First Claim
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1. A system for providing content to users comprising:

  • a multicast sub-system providing content to multiple users; and

    a unicast sub-system providing content to individual users, said multicast sub-system being operative to push to each of a plurality of user communities, content relating to said community, and said unicast sub-system being operative to provide on demand to a user, content which has not been previously pushed to said user.

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