1. A computer system, comprising: a resource; a process; a first policy module, the policy module being associated with the process and adapted at least to issue a resource allocation request to request an allocation of the resource to the process; a master policy, the master policy being configured to query the first policy module according to a policy module query schedule, to receive the resource allocation request and to issue a corresponding resource allocation order, and a dispatcher, the dispatcher being configured to bind the required resource to the process according to the resource allocation order.