Providing resources to a customer can include providing a node-relationship model based on a realized service offering. The node relationship model can include an instantiated first resource provided by a resource provider; an instantiated second resource provided by the instantiated first resource; and a plurality of defined relationships among the resource provider, the instantiated first resource, and the instantiated second resource. Providing resources to a customer can include creating a deployment plan for a new service offering based on the node-relationship model.