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Handling errors in an error-tolerant distributed computer system

  • US 20040030949A1
  • Filed: 08/13/2003
  • Published: 02/12/2004
  • Est. Priority Date: 10/10/2000
  • Status: Active Grant
First Claim
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1. Method of dealing with faults in a fault-tolerant distributed computer system with a plurality of node computers (K1 . . . K4) which are connected by means of communication channels (c11 . . . c42) and each node computer has an autonomous communication control unit (CON) wherein access to the communication channels takes place according to a cyclic time slicing method and the correctness of messages leaving the node computers is checked by guardians (GUA) and characterised in that the independently formed guardians (GUA) convert a message burdened with an SOS (“

  • slightly off specifications”

    ) fault either into a correct message or into a message which can be recognised by all receiving node computers (K1 . . . K4) as clearly incorrect.

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