US Patent 11916751 Process data change notification from a unified data repository

Examples for analyzing the usage of virtualized network instances within a communication network, are described. In an example, a usage monitoring service may receive a data change notification from a unified data repository. The data change notification is generated by the unified data repository in response to a data modification in subscriber data of a virtualized network instance. In an example, the data modification retrieved from the generated data change notification is utilized to obtain usage indication information for the virtualized network instance.