Patent ID: 11963120
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A computer program product comprising instructions that are stored on a non-transitory medium and that, when executed by a processor, cause a network device to:
receive a first synchronization status message (SSM) and a second SSM, wherein the first SSM carries a first SSM code for indicating a first quality level of a first clock source and a first enhanced SSM (eSSM) code for indicating the first quality level, and wherein the second SSM carries a second SSM code for indicating a second quality level of a second clock source and a second eSSM code for indicating the second quality level; and
determine, based on the first SSM code, the first eSSM code, the second SSM code, and the second eSSM code, a clock source of the network device.