| 摘要 |
<p>Disclosed is a method for allocating an IP address to UE, including: a TNAN receiving an IP address request message from UE, the IP address request message containing or implicitly containing IP address request attributes; the TNAN making a decision according to the IP address request attributes contained or implicitly contained in the IP address request message and a preset routing policy, deciding that the TNAN shall allocate an IP address to the UE and/or that the TNAN shall request an EPC to allocate an IP address to the UE, and then executing the decision result. Also correspondingly disclosed are a system for allocating an IP address to UE, and a TNAN and UE. By way of the present invention, the TNAN can decide to allocate an IP address to UE locally or request the PDN GW to allocate an IP address to the UE, thus improving the system stability.</p> |
