1. A system to manage a data center through a client, the system comprising: a profile-retrieval engine to retrieve a deployment profile of a service; an abstract-resource-type-determination engine to determine, from the deployment profile, an abstract type of a resource for the service; and a modeled-topology-editing engine to present a representation of the abstract type to be selected by a user, a selection of the representation of the abstract type to add a first modeled instance of the resource to a modeled topology of the service, the first modeled instance having the abstract type.