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Lossless Connection Failover for Single Devices

  • US 20130315253A1
  • Filed: 11/15/2012
  • Published: 11/28/2013
  • Est. Priority Date: 12/06/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving first TCP data at a wide area network (WAN) device from a source;

    increasing the TCP window size to the source by the WAN device in conjunction with forwarding the first TCP data to the WAN by the WAN device;

    receiving an ACK to the first TCP data from the WAN at the WAN device; and

    forwarding the ACK to the first TCP data from the WAN to the source by the WAN device in conjunction with decreasing the TCP window size to the source.

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