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Performance and Fault Management by James M. Thompson, Kent J. Phelps, Robert L. Pavone, Christopher E. Elliott, Paul L. Della Maggiora

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Ethernet Overview

Ethernet is a physical and Data Link layer networking standard defined by the IEEE 802.3 set of protocols. These protocols define frame size, connection rules, cable types and lengths, transmission speeds, and a host of other specifications. This overview of Ethernet is intended for background only. For more detailed information on Ethernet specifications, see References at the end of this chapter.

Architecture and Theory

An Ethernet can be either a bus topology or a star topology. Bus topologies have multiple stations connected to a cable or segment. Star topologies have stations connected to a central device such as a hub (repeater) or a switch. An Ethernet repeater (or hub) connects Ethernet segments together at the physical ...

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