New generation networks (NGN) are based on revolutionary aspects in IT and telecom fields. Huge throughput as well as a simplified infrastructure are based on the data center result of virtualization and cloud computing. Nevertheless, a very important question about the management part is always relevant, regardless of QoS management, of business, or of security. The chapter aims to propose a management architecture, which invokes the notion of broker and also of controller to centralize the management of networks and services.