Method and apparatus for dynamically allocating a mobile network prefix to a mobile terminal

A method for dynamically allocating a mobile network prefix to a mobile terminal, the mobile terminal being associated with a user equipment, the method comprising:

• sending a message, from the user equipment to a home agent, to establish a security association between the user equipment and the home agent, wherein the message includes
• (i) a request for a second mobile network prefix to be assigned to the mobile terminal, wherein the second mobile network prefix is to replace a first mobile network prefix previously assigned to the mobile terminal,
• (ii) the first mobile network prefix previously assigned to the mobile terminal, and
• (iii) an indication that a lifetime of the first mobile network prefix previously assigned to the mobile terminal has expired;
• in response to the request, the home agent allocating the second mobile network prefix to be assigned to the mobile terminal;
• and
• assigning the second mobile network prefix to the mobile terminal.