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Bandwidth prediction using a past available bandwidth value and a slope calculated from past available bandwidth values

  • US 9,350,616 B1
  • Filed: 05/11/2010
  • Issued: 05/24/2016
  • Est. Priority Date: 05/11/2010
  • Status: Active Grant
First Claim
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1. A method of predicting available bandwidth between a client computer and a remote computer server, said method comprising:

  • receiving, at said client computer, a bandwidth request associated with a cloud service of said remote computer server to which said client computer subscribes, and a request to predict available bandwidth on a network between said client computer and said remote computer server at a future time;

    calculating a plurality of available bandwidth values between said client computer and said computer server over said network using a latency value that is determined by sending a query from said client computer to said computer server and noting when an acknowledgement to said query arrives at said client computer, said plurality of available bandwidth values beginning at an initial time and extending to a past time;

    calculating a slope of said plurality of available bandwidth values, said slope being positive and indicating that said predicted available bandwidth is increasing;

    determining a predicted available bandwidth at said future time using one of said plurality of available bandwidth values and said calculated slope;

    returning said predicted available bandwidth to a software application of said client computer;

    comparing said predicted available bandwidth to a predefined bandwidth threshold to determine whether said client computer may engage in said cloud service to which said client computer subscribes;

    allowing said client computer to proceed with said cloud service of said remote computer server when it is determined that said predicted available bandwidth is greater than said predefined bandwidth threshold; and

    blocking said client computer from proceeding with said cloud service when it is determined that said predicted available bandwidth is less than said predefined bandwidth threshold.

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