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Updating routing information based on client location

  • US 7,991,910 B2
  • Filed: 11/17/2008
  • Issued: 08/02/2011
  • Est. Priority Date: 11/17/2008
  • Status: Expired due to Fees
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;

    responsive to obtaining the query IP address, obtaining, at the first DNS server, a location-based identifier at least based on a partial IP address corresponding to the query IP address from a routing data store, wherein the routing data store includes at least partial IP address to location-based identifier mappings, and wherein the location-based identifier corresponds to physical, logical, or relative location information associated with the client computing device;

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

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

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

    obtaining a second DNS query from the client computing device at a second DNS server, wherein the second DNS query corresponds to a second requested resource;

    resolving the second DNS query based on the updated location-based identifier associated with the query IP address associated with the client computing device.

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