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Updating routing information based on client location

  • US 8,423,667 B2
  • Filed: 06/21/2012
  • Issued: 04/16/2013
  • Est. Priority Date: 11/17/2008
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • obtaining a first DNS query from a client computing device at a first DNS server, wherein the first DNS query corresponds to a first requested resource and wherein the first DNS server corresponds to a content delivery network service;

    obtaining a query IP address associated with the first DNS query at the first DNS server, wherein the query IP address is associated with the client computing device;

    obtaining, at the first DNS server from a routing data store, a location-based identifier at least based on a portion of the obtained query IP address, wherein the routing data store includes at least one partial IP address to location-based identifier mapping;

    resolving the first DNS query based on the location-based identifier;

    collecting performance data associated with transmission of the first requested resource; and

    modifying the routing data store based on the performance data with an updated location-based identifier associated with the query IP address.

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