Design Choices in Ethernet LANs
By this point in your reading, you should know enough to look at a drawing of a small LAN and predict the basic functions that occur in that Ethernet LAN. You know how the common devices (repeater, hub, bridge, and switch) work. You know the frame formats. And most importantly, you know how an Ethernet switch forwards Ethernet frames based on the destination MAC address.
This third major section of the chapter takes a look at Ethernet technology from a design perspective instead of simply defining what happens in the network. This section examines design choices about what devices to use, and how that defines where collisions happen (collision domains), and where Ethernet broadcast frames flow (broadcast domains). ...
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