ocr: ATM BACKBONE WITH SWITCHING AND LAN EMULATION Layer 2 hub PC users on switching shared Ethernet : A : or Token Ring R segments switching Layer 2 hub Workstation users on dedicated Ethernet A A segments ATM to other 2 loyer PC users on campus switching hub buildings shared Ethernet - S - - 1 or Token Ring * segments Loyer 2 switching hub Servers on - : - - - - - XX segments dedicated : TOWAN - L Kouter wilh ATM port ATM switch R FIGURE 1: By assigning each virtual LAN its own virtvoi circuit over the AIM backbone, traffic between any virfualLANsegment will outomalicollyreach all other segments ...
