A system and method for enforcing policy in a computing environment with a plurality of hosts that includes establishing a policy update specified through a namespaced addressing syntax; publishing the policy update to a set of components associated with a referenced component namespace; at a host of the set of components, authenticating the policy update; at the host, locally verifying policy compliance of an operation request by the host directed towards at least a second component; applying results of verifying the policy compliance of the operation request within a communication channel flow, which comprises routing the operational request through the communication channel to the second component if the operational request is permitted and preventing the operational request if the operational request is not permitted.