The evolution of network-based corporate networks
Robert J Nisbet, R. Sells, B. Ross · 2002
This paper reviews the evolution of the business services that provide corporate networking from the public network. Specific phases that are described are: Nodal Centrex, Networked Centrex, Private Virtual Networking, and Global Virtual Network Services. From within this context, the benefits of AIN-based Virtual Network Services are examined, highlighting some challenges for the future.>