1. A method of configuring a service in a packet switching network, comprising the steps of: executing automatically instructions stored on a computer readable media, the instructions when executed causing a sequence of steps to be performed, the sequence comprising the steps of: determining a service access point to be affected by configuration of the service; obtaining policing information associated with the service access point from a router of the switching network; assigning the service access point to a policy group depending upon the policy information; updating, on the router in accordance with the assignment, provisioning information associated with the service access point to configure the service.