Method and system for controlling mobility in a communication network, related network and computer program product therefor

摘要

A communication network includes at least one mobile terminal and a plurality of home agents to supply communication services to the mobile terminal. In the network, an authentication, authorization and accounting (AAA) platform is configured for reallocating the supply of the communication services to the mobile terminal from a first home agent to a second home agent of the plurality.

主权项

1. A method for reallocating, in a communication network comprising a plurality of Home Agents, a supply of communication services to at least one mobile terminal from a first Home Agent identified within said plurality to another Home Agent, wherein said at least one mobile terminal uses at least one address to be served by the first Home Agent, the method comprising the steps of:
providing, in said communication network, an Authentication, Authorization and Accounting (AAA) platform; selecting through said AAA platform, while said at least one mobile terminal is served by said first Home Agent, a second Home Agent for serving said at least one mobile terminal; and reallocating the supply of said communication services to said at least one mobile terminal from said first Home Agent to said second Home Agent, comprising sending from said AAA platform to said at least one mobile terminal through said first Home Agent configuration information for configuring said at least one mobile terminal for accessing said communication services through said second Home Agent, wherein said configuration information sent to said at least one mobile terminal through said first Home Agent comprises at least one of the following parameters:
an address of said second Home Agent,a new address assigned to said at least one mobile terminal for communications with said second Home Agent, anda lifetime, said lifetime being of any duration including an infinite duration, of the address used by said at least one mobile terminal for communications with said first Home Agent.