LYCOS RETRIEVER 
Ethernet: Gigabit Ethernet
built 631 days ago
Ethernet technology -- the proven wired backbone for home and office networks -- has the largest installed base for delivering multimedia throughout the home and for connecting wireless access points and PCs. Fast Ethernet switches dominate the Ethernet segment, particularly in the mid-to- low-tier networking markets. While adoption of Gigabit Ethernet will expand in high-end, 802.11n-based solutions requiring the highest bandwidths for multimedia applications, Fast Ethernet readily serves mainstream networking applications in cost-sensitive 802.11n and 802.11g products.
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Ethernet uses economical twisted pair cables and standard RJ-45 connectors (see cable categories). Sometimes, spare telephone wires in a building may be used, but often only at the lowest speed. To extend distances, fiber-optic cable is ... used (see 100Base-T, Gigabit Ethernet and FOIRL). The first versions of Ethernet used coaxial cable (see 10Base5 and 10Base2).
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A 10/100 Ethernet port supports two speeds: 10 Mbps (10Base-T) and 100 Mbps (100Base-T). Computers ... come with 10/100/1000 ports, which includes Gigabit Ethernet at 1 Gbps (1,000 megabits). Ethernet devices negotiate with each other and transmit at the highest speed possible. For high-speed backbones in metropolitan and wide area networks, 10 Gigabit Ethernet (10,000 megabits), the fastest Ethernet, is also used (see 10 Gigabit Ethernet).
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"Gigabit Ethernet has become the standard for business relieving the network bottleneck and allowing users to fully utilize the performance of today's desktop platforms," said Thomas Lagatta, Vice President and General Manager of Broadcom's Client Server Networking Business Unit. "With the standardization of Broadcom Gigabit client networking technology for business desktops, our customers can capitalize on advanced capabilities Broadcom developed in becoming the leader for server and workstation Gigabit networking."
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Ethernet transmits data at up to ten million bits per second (10Mbps). Fast Ethernet supports up to 100Mbps and Gigabit Ethernet supports up to 1000Mbps. Many buildings on the Indiana University campus are wired with Fast Ethernet and the campus backbone is Gigabit Ethernet.
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Gigabit Ethernet has rapidly become the standard network technology that connects today's business users and is the next logical step in Ethernet technology(1). It provides users with an enhanced computing experience that increases network performance and productivity, and reduces CPU utilization and network congestion. Tests conducted by the Ziff-Davis Media Company's eTesting Labs ( www.veritest.com ) show that Gigabit Ethernet connections can provide up to a 341% performance and productivity improvement over 10/100 Fast Ethernet connections running everyday business applications on client systems such as e-mail, Web browsing, databases and disk backup.
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Gigabit Ethernet