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Method and device for managing mobility in IP based network

  • US 10,419,925 B2
  • Filed: 05/02/2014
  • Issued: 09/17/2019
  • Est. Priority Date: 05/02/2013
  • Status: Active Grant
First Claim
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1. A method of managing mobility in an Internet Protocol (IP) based network by a mobile station, the method comprising:

  • detecting, by the mobile station, a request for allocation of an IP address from an application included in the mobile station;

    determining, by the mobile station, a type of the IP address to be allocated to the application based on the request; and

    allocating, by the mobile station, the IP address of the determined type to the application,wherein the type of the IP address is determined based on a network to which the IP address to be allocated to the application is anchored,wherein the IP address of the determined type includes one of a first-type IP address anchored to a core network, a second-type IP address anchored to an access network, and a third-type IP address which is not anchored to any network, andwherein the second-type IP address is allocated to the application in response that an anchor distance is shorter than a threshold value, and the second-type IP address is maintained in another access network in response that the mobile station is handed over from the access network to the another access network.

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