Patent ID: 9560175
Date: 2017-01-31
CPC Classifications: H04L,H04W

Claim:
1. A method for obtaining an Internet protocol header replacement mapping, comprising: obtaining, by a network node, fixed Internet protocol (IP) header information which is information from a fixed part of content of an IP header bound to a user equipment (UE) in response to a connection attach request or a dedicated bearer setup process of the UE to perform data communication with the network node, the network node is any one of a mobility management entity (MME) or an evolved base station (eNB) or a packet data network gateway (PGW) or a serving gateway (SGW); establishing an IP header replacement mapping according to the fixed IP header information, wherein the IP header replacement mapping is correspondence between the fixed IP header information and an index or a bearer; and performing the data communication with the UE according to the IP header replacement mapping.