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| Introduction | Token Ring | FDDI / CDDI | Ethernet | Future LANs |
| An Overview of LANs | IEEE 802.5 | ANSI X3T9.5 | IEEE 802.3 | IEEE 802.12, ATM |
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| Workstation A | Workstation B |
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| For Java applet information, hold down Shift and click |
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| Server | Access control unit | Workstation C |
Animation showing an example LAN in operation
The server sends the packet or frame out onto the network. The access control unit, which mediates access to the network, sends the packet/frame onto the addressed destination, workstation B. The red dot signifies the packet/frame whilst it is being transmitted around the network. The green dot signifies the packet/frame being received at the destination station.
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Adrian Catchpole - A.G.Catchpole@comp.brad.ac.uk