With the development of CNC, communication and CIM technology, the connotation and functions of DNC have been greatly enlarged. In order to describe the features and development of contemporary DNC, a new concept, integrated DNC, is presented in this paper. The connotation of integrated DNC and other relative concepts are discussed. Four control architectures of integrated DNC are proposed, including bi-hierarchies, tri-hierarchies, quadri-hierarchies and acrossshops architectures. A case study of integrated DNC is introduced.