Method and device for managing resource consumption in a computer network providing communication between plural devices, in which resources are provided to the plural devices. The method includes enforcing at least one of globally, per-device, per-device group, per-user group, and per-user policy management for managing consumption of the resources by the devices, distributing a task of managing of the resource consumption between the devices, and proxying in at least one proxy server communications between peers and the devices even when a device becomes temporarily disconnected from the network environment.