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Predictive roaming between subnets

  • US 9,590,822 B2
  • Filed: 04/14/2015
  • Issued: 03/07/2017
  • Est. Priority Date: 05/14/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • selecting a first home agent in a first subnet including a first wireless access point associated with a wireless client;

    detecting, by the first wireless access point, a second wireless access point;

    determining if the second wireless access point is in a second subnet different from the first subnet;

    if it is determined that the second wireless access point is in the second subnet;

    sending home agent information to the second wireless access point in the second subnet different from the first subnet associated with the wireless client, the home agent information including an address of the first home agent;

    using predictive roaming information, the predictive roaming information including a first address suitable to uniquely identify the wireless client within a network comprising the first subnet and the second subnet and a second address suitable to uniquely identify the wireless client within the first subnet and to associate the wireless client with the first subnet, and the home agent information to establish a tunnel network connection between the first subnet and the second subnet when the wireless client roams from the first wireless access point in the first subnet to the second wireless access point in the second subnet.

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