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Method and system for providing transparent mobility support

  • US 20030097484A1
  • Filed: 11/16/2001
  • Published: 05/22/2003
  • Est. Priority Date: 11/16/2001
  • Status: Active Grant
First Claim
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1. A computer-readable medium having computer-executable instructions for performing steps for a correspondent host to provide mobility support for communications with a mobile host, the steps comprising:

  • receiving, by a mobility service of the correspondent host, a request from a first application on the correspondent host to set up a communication connection with a second application on the mobile host, the mobility service being implemented in an application programming interface (API) layer of an operating system of the correspondent host;

    calling, by the mobility service, a session establishment service of the correspondent host implementing a session establishment protocol to establish a session with the mobile host;

    establishing, by the session establishment service, a session with the mobile host;

    setting up, by the mobility service, a communication connection under a transport protocol for communications between the first and second applications;

    obtaining, by the session establishment service, a notice through operation of the session establishment protocol that the mobile host has moved to a new address;

    reestablishing, by the session establishment service, a session with the mobile host for the new address of the mobile host; and

    resetting, by the mobility service, a communication connection for the new address of the mobile host.

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