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Peer-to-peer file transfer task coordination

  • US 9,591,057 B1
  • Filed: 07/02/2013
  • Issued: 03/07/2017
  • Est. Priority Date: 05/16/2013
  • Status: Active Grant
First Claim
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1. A method for coordinating a data transfer between a sending computer and a receiving computer that are both members of a message group of a sysplex, comprising:

  • transmitting, by the sending computer using a first communications channel, a scheduling message directly to the receiving computer,wherein the scheduling message comprises meta-data about a request to transfer first data from the sending computer to the receiving computer at a scheduled time and wherein;

    the sending computer comprises a first data transfer module comprising a first control block data structure local to the sending computer,the receiving computer comprises a second data transfer module comprising a second control block data structure local to the receiving computer, andthe data transfer modules communicate using a signaling service of the sysplex and the scheduling message comprises the first control block data structure;

    receiving, by the sending computer, a reply message from the receiving computer, the reply message comprising data which specifies agreement to participate in the transfer of the first data from the sending computer at the scheduled time;

    wherein the reply message is received via the first communications channel; and

    at the scheduled time, transmitting, by the sending computer using a second communications channel, the first data to the receiving computer,wherein the first and second communications channels are different from one another.

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