Patent ID: 7171207

Claim:
A method for routing a message to a first network server in a server pool of a mobile communication system, the mobile communication system including a controller of an access network connectable to the first network server and at least one further network server in the server pool, comprising the steps of: defining a plurality of service point values, wherein one or more of the service point values are allocated uniquely to each of the network servers in the server pool, and wherein at least one of the network servers having allocated at least two of the service point values; receiving a service request associated with a particular mobile device within said mobile communication system; selecting a service point value from the one or more service point values allocated to the first network server for said mobile device, further comprising the steps of: assigning a temporary identity by the first network server to said mobile device, the temporary identity including the selected service point value; transmitting the temporary identity to the mobile device; and routing a message from the mobile device to the first network server by extracting the selected service point from the temporary identity received by the mobile device and applying a routing algorithm to the selected service point value, the routing algorithm revealing the first network server from an analysis of the selected service point value.