METHOD FOR ESTABLISHING OPTIMAL PATH, MME AND GATEWAY, AND COMPUTER STORAGE MEDIUM

摘要

The present invention discloses a method for establishing an optimal path, an MME and gateway, and a computer storage medium, the method comprising: in the case of a terminal mobility event occurring, a mobility management entity (MME) determining whether the path to which a packet data network (PDN) is connected is the optimal path; if said path is a non-optimal path, said MME querying the local gateway whether there is data transmission; in the absence of said data transmission, said MME initiating a PDN connection reestablishment process.