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Externally initiated application session endpoint migration

  • US 10,291,723 B2
  • Filed: 12/21/2016
  • Issued: 05/14/2019
  • Est. Priority Date: 01/24/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • configuring, by a controller, a first network address translation rule to translate a first address of a first server to a second address of a second server for protocol data units being received at the first server from a client device;

    configuring, by the controller, a second network address translation rule to translate the second address of the second server to the first address of the first server for protocol data units being transmitted to the client device from the second server; and

    migrating, by the controller, an endpoint of an application communication session from the first server to the second server using the first and second network address translation rules, the migrating comprising;

    transmitting, by the controller, an acknowledgement message to the first server to appear as though the client device sent the acknowledgment message, the acknowledgement message comprising an acknowledgement identifier not expected by the first server; and

    transmitting, by the controller, a reset message to the first server to appear as though the client device sent the reset message, wherein the reset message is created with a sequence field set to a second acknowledgment identifier indicated in a second acknowledgement message received from the first server.

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