A throttle device is coupled with a central processing unit in a node for reducing traffic overload in a Next Generation Network (NGN). The device is coupled with a basic throttle with different levels of traffic priority and both are situated between a source node and a target node for processing traffic. When a traffic offer is received by the throttle, the throttle device by provisionally updating the basic throttle priority levels, determines whether to send the traffic offer on to the source node. If the provisional, traffic priority level is greater than a new traffic priority level the traffic is admitted and rejected if the updated priority level is less than the new traffic priority level.