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Preemptive priority-based transmission of signals using virtual channels

  • US 5,574,934 A
  • Filed: 11/15/1994
  • Issued: 11/12/1996
  • Est. Priority Date: 11/24/1993
  • Status: Expired due to Term
First Claim
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1. A computer-implemented process for transmitting two or more types of signals from a local computer system, comprising the steps of:

  • (a) providing signals of a first type having a first priority;

    (b) beginning to transmit the signals of the first type on a first virtual channel of a physical communications link to a remote computer system;

    (c) providing signals of a second type having a second priority before the transmission of the signals of the first type is complete, wherein the second priority of the second type of signals is greater than the first priority of the first type of signals;

    (d) interrupting the transmission of the signals of the first type;

    (e) transmitting the signals of the second type on a second virtual channel of the communications link to the remote computer system, wherein the second virtual channel has a priority different from the first virtual channel; and

    (f) resuming the transmission of the signals of the first type on the first virtual channel of the communications link to the remote computer system after the transmission of the signals of the second type is complete.

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