Integration of usage control capabilities regarding the policies that can be defined in the environment. These policies will describe the terms and conditions under which apps, data or infra can be used on the consumer side https://confluence.simplprogramme.eu/display/SIMPL/Infrastructure+Usage 2 types of usage policy are considered, which can be technically enforced and billed: Based on duration (e.g. access to a VM for 7 days); Based on resource utilisation (e.g. CPU, RAM, storage, bandwidth). In the first case, monitoring the status of the infrastructure resource is sufficient and in the second case, it requires access to infrastructure metrics of the resource.