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Transparent Header Modification for Reducing Serving Load Based on Current and Projected Usage

  • US 20120030341A1
  • Filed: 07/28/2010
  • Published: 02/02/2012
  • Est. Priority Date: 07/28/2010
  • Status: Active Grant
First Claim
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1. A computer implemented method of delivering web content responsive to a request from a client, comprising:

  • collecting, in a memory of a computer, utilization metrics from each device in a plurality of devices involved in delivering web content to end users;

    determining, by the computer, a device load level for each device based on the utilization metrics;

    determining, by the computer, a system load level for a subset of the plurality of devices of a same device type based on the device load level for each device in the subset of devices;

    determining, by the computer, a service level to provide to the client based on the system load level for the subset of devices;

    modifying, by the computer, a header in the request to specify the determined service level to provide to the client, wherein the determined service level indicates a variant of the web content to deliver to the client; and

    sending, by the computer, the request with the modified header to a selected device in the subset of devices, wherein the selected device is directed to serve the web content according to the determined service level to the client.

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