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Method and apparatus for selectively retrieving information from a source computer using a terrestrial or satellite interface

  • US 6,115,750 A
  • Filed: 12/18/1998
  • Issued: 09/05/2000
  • Est. Priority Date: 06/08/1994
  • Status: Expired due to Term
First Claim
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1. A system for retrieving data from a source computer coupled to a network, said system comprising:

  • a low-speed path linking a requesting terminal with the network;

    a high-speed path linking the requesting terminal with the network; and

    selection means for selecting one of the low-speed path and the high-speed path for transmission of data from the source computer to the requesting terminal,wherein said selection means selects one of the low-speed path and the high-speed path in accordance with one or more of;

    (a) malfunction of the high-speed path, in which case said selection means automatically selects the low-speed path in accordance with malfunction of the high-speed path,(b) congestion of the high-speed path, in which case said selection means automatically selects the low-speed path in accordance with congestion of the high-speed path,(c) an address of the source computer,(d) an application program used at the requesting terminal for requesting the transmission of data from the source computer to the requesting terminal,(e) a TCP/UDP port number, and(f) traffic characteristics of the network.

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