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System and method for fail-over data transport

  • US 6,260,158 B1
  • Filed: 05/11/1998
  • Issued: 07/10/2001
  • Est. Priority Date: 05/11/1998
  • Status: Expired due to Term
First Claim
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1. A method for fail-over connection between a first and second processing unit within a computer system, said method comprising the steps of:

  • detecting a failure condition across a first communications link connecting said first and second processing units;

    selecting, upon said failure condition detection, a secondary communications link between said first and second processing units within said computer system; and

    establishing communications between said first and second processing units across said secondary communications link, wherein said first and second processing units each respectively comprise therein;

    a device driver module;

    a peer transport agent connected to said device driver module; and

    a plurality of transports each connected to a respective peer transport agent, said first communications link being between a first transport within said first processing unit and another first transport within said second processing unit, and said secondary communications link being between a second transport within said first processing unit and another second transport within said second processing unit.

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