Patent ID: 11949548
Assignee: ZTE CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 2:
3. The method of claim 2, further comprising:
before determining the service status level of the respective vertex according to the initial service status level of the respective vertex and the service status level of each of the at least one lower-level vertex,
determining whether the at least one lower-level vertex of the respective vertex exists;
determining the initial service status level of the respective vertex as the service status level of the respective vertex based on a determination that no lower-level vertex of the respective vertex exists; and
determining the service status level of the respective vertex according to the initial service status level of the respective vertex and the service status level of each of the at least one lower-level vertex based on a determination that the at least one lower-level vertex of the respective vertex exists.