Patent ID: 9713042
Date: 2017-07-18
CPC Classifications: H04L,H04M,H04W

Claim:
1. A method for notifying an attribute of an Internet Protocol (IP) address, comprising: when a new Serving Gateway (SGW) is taken as a User Equipment's (UE's) SGW, notifying the new SGW of an attribute of the UE's IP address, wherein the notifying comprises at least one of the following: passing, by a mobility management unit, the attribute of the UE's IP address to the new SGW in a session establishment request message after the new SGW is taken as the UE's SGW; or passing, by a Packet Data Network Gateway (PGW), the attribute of the UE's IP address to the new SGW, after the UE moves and the new SGW is taken as the UE's SGW; wherein the attribute of the UE's IP address comprises a dynamic-IP-address attribute and a static-IP-address attribute.