According to a twentieth aspect, a network device is provided. The network device includes: a memory, a transceiver, and at least one processor. The memory, the transceiver, and the at least one processor are connected to each other via a line. The transceiver is configured to perform information sending/receiving operations that are performed on the network device in the method according to any one of the sixth aspect or the possible implementations of the sixth aspect. The at least one processor invokes the instruction stored in the memory, to perform processing operations that are performed on the network device in the method according to any one of the sixth aspect or the possible implementations of the sixth aspect.
According to a twenty-first aspect, a network device is provided. The network device includes: a memory, a transceiver, and at least one processor. The memory, the transceiver, and the at least one processor are connected to each other via a line. The transceiver is configured to perform information sending/receiving operations that are performed on the network device in the method according to any one of the seventh aspect or the possible implementations of the seventh aspect. The at least one processor invokes the instruction stored in the memory, to perform processing operations that are performed on the network device in the method according to any one of the seventh aspect or the possible implementations of the seventh aspect.