Patent ID: 8472317

Claim:
A method for resource and admission control, comprising: upon receiving a resource initialization request, which is used for requesting a Quality of Service (QoS) resource for a service, sent by a Service Control Functions (SCF), a Policy Decision Functional Entity (PD-FE) of a visited network performing an authorization check and a resource availability check for the resource initialization request, and sending the resource initialization request to a PD-FE of a home network; the PD-FE of the home network performing the authorization check and generating an initial policy decision for the resource initialization request, and sending a resource initialization response containing the generated initial policy decision to the PD-FE of the visited network; the PD-FE of the visited network making generating a final admission decision for the resource initialization request according to the initial decision policy and the result of the resource availability check; the PD-FE of the visited network sending the resource initialization request containing a final decision policy generated by the final admission decision to a Policy Enforcement Functional Entity (PE-FE) of the visited network; and upon receiving the resource initialization request sent by the PD-FE of the visited network, the PE-FE of the visited network installing the final decision policy.