A method includes obtaining a service availability level of a to-be-deployed service; determining, based on an availability policy library and according to the service availability level of the to-be-deployed service, availability-related parameter information of a resource corresponding to the service availability level of the to-be-deployed service; and allocating and configuring the corresponding resource for the to-be-deployed service based on a resource information library and according to the availability-related parameter information of the resource corresponding to the service availability level of the to-be-deployed service, where the resource includes at least one of the following: an infrastructure resource, a non-HA software resource, or an HA software resource.