Patent ID: 8296403

Claim:
A system, comprising: a first node to access a storage unit to store a plurality of mapping lists, at least one of the plurality of mapping lists including one or more permanent network addresses assigned to a user identity; a generator module to generate, using at least one processor, an identifier associated with the user identity when access to a network by a second node associated with the user identity is detected; and a transmission module to send the identifier to the second node to enable the second node to obtain replacement of a temporary network address allocated to the second node with at least one permanent network address of the one or more permanent network addresses, the transmission module to receive a release request from the second node to release the temporary network address allocated to the second node, to receive an allocation request from the second node to allocate the at least one permanent network address, the allocation request including the identifier, to allocate the at least one permanent network address to the second node as the replacement for the temporary network address, and to assign the at least one permanent network address to a third node based on a determination that a user associated with the user identity moves from the second node and logs on to the third node.