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Program insertion in real time IP multicast

  • US 6,771,644 B1
  • Filed: 09/17/1999
  • Issued: 08/03/2004
  • Est. Priority Date: 09/17/1999
  • Status: Expired due to Term
First Claim
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1. A computer implemented first proxy for relaying a first program from a program provider to a multicast destination address, comprising:

  • an input interface means for receiving data packets containing said first program from said program provider;

    a transmitter for relaying said data packets to said multicast destination address;

    interface means for transmitting header information to a second proxy for incorporation into the header of data packets forwarding a second program to said multicast destination address; and

    interface means for receiving header information from said second proxy for incorporation into the header of said data packets forwarding said first program to said multicast address.

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