| 摘要 |
A system and methods are shown for selecting a packet data serving node (PDSN) for a mobile node in an Internet Protocol network. A network node receives a message associated with a mobile node. The message includes a service request parameter corresponding to a requested service. The network node uses the service request parameter to select the address of a packet data serving node (PDSN) offering the service. The network node then sends a response message directing a connection with the selected PDSN. The service request parameter may be an international mobile subscriber identifier (IMSI) that identifies a subscriber requesting a static IP address, in which case the network node directs a connection with a PDSN that offers an. Internet connection with the static IP address.
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