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DES-3326S Layer 3 Fast Ethernet Switch User’s Guide
22 Introduction
Gigabit Ethernet Technology
Gigabit Ethernet is an extension of IEEE 802.3 Ethernet
utilizing the same packet structure, format, and support for
CSMA/CD protocol, full duplex, flow control, and management
objects, but with a tenfold increase in theoretical throughput
over 100Mbps Fast Ethernet and a one hundred-fold increase
over 10Mbps Ethernet. Since it is compatible with all 10Mbps
and 100Mbps Ethernet environments, Gigabit Ethernet
provides a straightforward upgrade without wasting a
company’s existing investment in hardware, software, and
trained personnel.
Gigabit Ethernet enables fast optical fiber connections and
Unshielded Twisted Pair connections to support video
conferencing, complex imaging, and similar data-intensive
applications. Likewise, since data transfers occur 10 times
faster than Fast Ethernet, servers outfitted with Gigabit
Ethernet NIC’s are able to perform 10 times the number of
operations in the same amount of time.