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Differentiating connectivity issues from server failures

  • US 7,987,392 B2
  • Filed: 06/08/2009
  • Issued: 07/26/2011
  • Est. Priority Date: 06/08/2009
  • Status: Active Grant
First Claim
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1. A method to be executed at least in part in a computing device for differentiating connectivity issues from server failures, the method comprising:

  • determining an interruption in a connectivity status of a server of a server group;

    determining connectivity status of at least one other server within the same server group;

    inferring one of a server failure and a network failure based on the connectivity statuses of the servers in the server group; and

    routing messages to the server based on the inference bysuppressing resubmission of redundant messages until a decision is made whether the inference is one of a server failure and a network failure;

    re-routing messages intended for the server to the at least one other server if the inference is server failure; and

    queuing the messages for later delivery if the inference is network failure.

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