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Scheme for managing last-modified information

  • US 9,792,108 B2
  • Filed: 08/12/2015
  • Issued: 10/17/2017
  • Est. Priority Date: 08/12/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • generating, by a computing device and based on a first update, an updated version of a resource;

    determining, based on an actual update time of the updated version of the resource;

    a first approximate update time that is before the actual update time; and

    a second approximate update time that is after the actual update time;

    determining a time window based on the first approximate update time and the second approximate update time;

    receiving, from a client device, a request for the resource;

    determining, based on whether the request was received within the time window, one of the first approximate update time or the second approximate update time; and

    sending, to the client device and in response to the request for the resource;

    the determined one of the first approximate update time or the second approximate update time; and

    the updated version of the resource.

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