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Method of multicasting

  • US 5,905,871 A
  • Filed: 10/10/1996
  • Issued: 05/18/1999
  • Est. Priority Date: 10/10/1996
  • Status: Expired due to Term
First Claim
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1. A multicasting method comprising the steps of:

  • from a sender, multicast transmitting segments of data, including one or more data packets, over an established global multicast tree to a dynamically changing set of receivers, including at least one unknown receiver;

    receiving at the sender, a status signal from said at least one unknown receiver indicating a packet reception status of said at least one unknown receiver, andin response to said status signal, retransmitting from the sender to said at least one unknown receiver, those packets of data not received by said at least one unknown receiver.

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