ATM Concepts

An ATM network is made up of endpoint systems that have ATM NICs and switches that move traffic between the endpoints. An endpoint could be a workstation, a server, or a router. It also might be an Ethernet, Token Ring, or FDDI switch that has an ATM interface.


An SNMP agent or a network server located within an ATM switch also can play the role of an endpoint system.

Figure 20.1 illustrates a big ATM network. As the figure shows, ATM networking is switch-based. Systems are connected to switches, and the switches are connected to each another.

Figure 20.1. An ATM network.

ATM protocols operate at Layers 1 and 2. Unlike ...

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