Historical Progression: Hubs, Bridges, and Switches
First, think back to the first UTP-based Ethernet standard, 10BASE-T, introduced in 1990. 10BASE-T used a centralized cabling model similar to today’s Ethernet LANs, with each device connecting to the LAN using a UTP cable. However, instead of a LAN switch, the early 10BASE-T networks used hubs, because LAN switches had not yet been created. Figure 6-1 depicts the typical topology for 10BASE-T with a hub.
Figure 6-1 10BASE-T (with a Hub)
Although using 10BASE-T with a hub improved Ethernet as compared to the older standards, several drawbacks continued to exist, even with 10BASE-T using hubs: ...
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