| 摘要 |
A connection establishing method, fault processing method, communication system and device thereof are disclosed. The methods include the following steps: an evolved Node B (eNB) obtains an address of a second Mobility Management Entity (MME), wherein the second MME has backup user service data of a first MME; when the first MME fails, the eNB performs a connection switch according to the address of the second MME, so that the second MME processes the user service of the first MME. Additionally, a communication system and device thereof are provided. |
