1. A method of provisioning a service to be delivered to an end-user device via a network, the method comprising: prompting a service designer, on a user interface of a computing device, to specify an aspect of an access control policy and an aspect of an access accounting policy; generating, within the computing device, an access control policy instruction based at least in part on the aspect of the access control policy and an access accounting policy instruction based at least in part on the aspect of the access accounting policy; and outputting, from the computing device, the access control policy instruction and the access accounting policy instruction to one or more processing elements accessible via the network to enable the one or more processing elements to apply, in connection with the service, an access control action in accordance with the access control policy instruction and an access accounting action in accordance with the access accounting policy instruction.