Various exemplary embodiments relate to a method and related network node and machine-readable storage medium including one or more of the following: determining network status; receiving an application request at the PCRN; generating a new PCC rule in response to the application request and network status; and providing the new PCC rule to a PCEN. Various exemplary embodiments further include receiving an event message, determining the network status from received event messages and isolating congestion using previously issued PCC rules and a network topology.