Star Topology

991
Ethernet
Ethernet

Ethernet has pretty much taken over the wired LAN market. In the 1980s and the early 1990s, Ethernet faced many challenges from other LAN technologies, including token ring, FDDI, and ATM. Some of these other technologies succeeded in capturing a part of the LAN market for

Tags global networking, bus topology, hub, nodes, star topology, routers
1104
Ethernet Technologies
Ethernet Technologies

As discussed earlier, weve referred to Ethernet as if it were a single protocol standard. But in fact, Ethernet comes in many different flavors, with somewhat bewildering acronyms such as 10BASE-T, 10BASE-2, 100BASE-T, 1000BASE-LX, and 10GBASE-T. These and many other

Tags baseband ethernet, ethernet traffic, physical media, repeater, coaxial cable, star topology
764
Link-layer Switches
Link-layer Switches

As illustrated in Figure 1, modern Ethernet LANs use a star topology, with each node connecting to a central switch. Up until this point, we have been unclear about what a switch actually does and how it works. The role of the switch is to receive incoming link-layer frames and

Tags star topology, buffers, switch table, forwarding table
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