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Request routing utilizing client location information

  • US 10,523,783 B2
  • Filed: 05/30/2018
  • Issued: 12/31/2019
  • Est. Priority Date: 11/17/2008
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • as implemented by one or more computing devices configured with specific executable instructions;

    obtaining a domain name system (DNS) query from a client computing device at a first DNS server, wherein the DNS query corresponds to a requested resource associated with an original resource identifier and wherein the first DNS server corresponds to a content delivery network (CDN) service;

    obtaining a query Internet Protocol (IP) address associated with the DNS query at the first DNS server;

    obtaining a location-based identifier associated with the query IP address and a confidence factor corresponding to a degree of confidence associated with the accuracy of the location-based identifier to query IP address association;

    determining whether the confidence factor exceeds a threshold value; and

    assigning a default location-based identifier if the confidence factor does not exceed the threshold value.

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