METHOD AND APPARATUS FOR ALLOCATING RESOURCES

A method for allocating resources performed by an infrastructure management node is provided, the method comprising obtaining deployment requirements of virtual resources of a service application at an application layer, wherein the deployment requirements include requirements of isolation physical resources and requirements of affinity physical resources, wherein physical resources of levels are ranked by isolation from low to high and wherein the physical resources of the levels are ranked by affinity from low to high, wherein a level of the isolation physical resources is higher than a level of the affinity physical resources in the deployment requirements of the virtual resources, determining the physical resources which satisfy the requirements of isolation physical resources and requirements of affinity physical resources at a physical resources layer, and creating the virtual resources on the determined physical resources and providing the virtual resources to the service application.