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Listening for externally initiated requests

  • US 9,448,862 B1
  • Filed: 07/02/2013
  • Issued: 09/20/2016
  • Est. Priority Date: 05/16/2013
  • Status: Active Grant
First Claim
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1. A method for processing a request from a sending computer that is a co-member of a message group of a sysplex coupled together using a signaling service, the method comprising:

  • determining, by a receiving computer that is a co-member of the message group of the sysplex, that a signaling service message has been received from the sending computer that is a co-member of the message group of the sysplex, wherein the signaling service message relates to a data transfer between the sending computer and the receiving computer that are each a respective co-member of the message group of the sysplex;

    the message group of the sysplex comprises members defined to a cross-system coupling facility, wherein the cross-system coupling facility provides the signaling service;

    the signaling service message is received over a first communications channel defined by the signaling service; and

    the data transfer relates to an exchange of one or more files between the sending and receiving computers that are each a respective co-member of the message group of the sysplex using a second communications channel other than the first communications channel defined by the signaling service;

    decoding, by the receiving computer that is a co-member of the message group of the sysplex, the signaling service message to determine contents of the signaling service message related to the data transfer; and

    performing, by the receiving computer that is a co-member of the message group of the sysplex, an action related to the data transfer based on the contents of the signaling service message;

    wherein;

    the sending computer that is a co-member of the message group of the sysplex comprises a first data transfer module; and

    the receiving computer that is a co-member of the message group of the sysplex comprises a second data transfer module, wherein the data transfer modules communicate using the signaling service of the sysplex,wherein;

    the first data transfer module comprises a first control block data structure local to the sending computer that is a co-member of the message group of the sysplex; and

    the second data transfer module comprises a second control block data structure local to the receiving computer that is a co-member of the message group of the sysplex.

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