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Throttling of predictive ACKs in an accelerated network communication system

  • US 8,463,843 B2
  • Filed: 05/29/2007
  • Issued: 06/11/2013
  • Est. Priority Date: 05/26/2006
  • Status: Active Grant
First Claim
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1. A method of limiting potential data loss when pre-acknowledging requests, the method comprising:

  • receiving a message as part of a transaction at a recipient-side transaction accelerator, the message being a message for which a sender expects an acknowledgement and for which a sender-side transaction accelerator sent a recipient acknowledgement of the transaction in advance of the recipient acknowledging the transaction;

    computing a logical length for a request queue at the recipient-side transaction accelerator, the request queue for holding contents of messages not yet sent to the recipient;

    smoothing the logical length to counteract variations in an actual queue length caused by message bursts received at the recipient-side transaction accelerator; and

    adjusting the flow of pre-acknowledged requests or pre-acknowledgements at the sender-side transaction accelerator based at least on the computed logical length after being smoothed.

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