Architectural design and implementation of the Singapore high-speed ATM-testbed

This paper covers some technical planning and design issues of the Singapore national ATM network testbed. The network architecture and current implementation are discussed. We elaborate on a reference model that is aimed at effectively addressing the challenge of supporting multiple multimedia services over a broadband network with quality of service (QOS) guarantees and exhibits scalability and manageability properties. The model separates user information transport from control, and management. It applies QOS abstractions to simplify resource allocation for multimedia connections, and suggests a service abstraction for supporting service level control and management. Finally, the current implementation status of the testbed is presented.