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Semiconductor memory based server for providing multimedia information on demand over wide area networks

  • US 5,758,085 A
  • Filed: 01/08/1997
  • Issued: 05/26/1998
  • Est. Priority Date: 08/23/1994
  • Status: Expired due to Fees
First Claim
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1. A data communications network, comprising:

  • a. a communications system having a plurality of switches;

    b. a host processor connected to the communications network;

    c. a plurality of clients connected to the communications network;

    d. each of the switches having1) special memory means for storing preprocessed video packets,2) means for retrieving and dispatching copies of requested ones of the preprocessed video packets to a requesting one of the clients, and3) means for supplying information missing from the network protocol stack headers and trailers in the preprocessed packets,said preprocessed video packets remaining stored in each of the switches even after copies of the requested video packets are transmitted to the requesting cliente. and means which enable each of the switches to independently transmit preprocessed video packets to clients.

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