A resource allocation method includes splitting requirements into split requirements for each subsection of a physical network. The subsections of the physical network each have one of a plurality of policies applied to them. The method includes calculating a resource allocation for each of the subsections based on the split requirements, integrates a result of the allocations to determine a plurality of solutions candidates for resource allocations based on the split requirements, evaluates, for each solution candidate, compliance with the one of the plurality of policies, and selects one of the solution candidates based on the evaluation.