Method and apparatus for controlling service traffic in a communication network

An online credit control system for controlling service traffic in a communication network, the online credit control system comprising:

• an interface module adapted for receiving a request for service traffic control, the request including at least data identifying a first communication network account;
• a determination module adapted for determining, based on the received data and a predefined set of rules, a first network traffic policy profile associated with the first account;
• the interface module further adapted for transmitting to a Policy and Charging Rules Function PCRF a first policy control command including an identifier identifying the first network traffic policy profile stored in an network traffic policy profile entity, to be applied in controlling the service.