A layered architecture for ATM networks

The authors describe a layered architecture for ATM (asynchronous transfer mode) networks. They suggest that a simple, basic, low-layer transport mechanism, similar to a circuit-switched network but with greater flexibility, and additional functions at higher layers, is the best way to design a network capable of handling services with different requirements. They conclude that an ATM network based on service separation at the ATM layer would be a good candidate for a future network. It is capable of handling different traffic types with different requirements, and can evolve as technology and services change over time. It can offer connections with reliable performance, and the user has the option of choosing whatever connection type he needs