Patent ID: 11870601
Assignee: T-MOBILE USA, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 11:
12. A method, comprising:
receiving, from a session management function (SMF), a request for a policy corresponding to a session, the request comprising a first policy identifier corresponding to a first policy control function (PCF);
determining that the first PCF is unavailable;
generating a modified request by replacing the first policy identifier with a second policy identifier in the request, the second policy identifier corresponding to a second PCF, and the generating includes:
identifying, in a datastore, an entry comprising the first policy identifier, the second policy identifier, and an identifier of the session; and
identifying the second policy identifier based on the entry; and

transmitting, to the second PCF, the modified request.