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The development and future of Ethernet
Tag: Ethernet Card, Ethernet Lan Card,10 Gigabit Ethernet,1000BASE-T Date:2015-11-06

Ethernet

Originally known as Alto Aloha Network, Ethernet is a widely used local-area network (LAN) protocol originally created by Xerox PARC in 1973 by Robert Metcalfe and others (U.S. Patent # 4,063,220). Being the first network to provide Carrier Sense Multiple Access / Collision Detection (CSMA/CD), Ethernet is a fast and reliable network solution that is still widely used today. Below is a listing of different standards of Ethernet and additional information about each of them.

Ethernet II / DIX / 802.3

Ethernet II is a revised version of Ethernet rewritten by with Digital Equipment Corp, Intel, and Xerox. Ethernet II, also known as DIX, (Digital, Intel, and Xerox) and 802.3.

Fast Ethernet /100BASE-T / 802.3u

Fast Ethernet (100BASE-T or 802.3u) is a communications protocol for sharing data at rates of 100 million bits per second instead of the standard 10 million bps. Fast Ethernet works over Category 5 twisted-pair wiring.

There are two available 100BASE-T standards. The first standard known as 100BASE-T utilizes CSMA/CD. The second standard, known as 100VG-AnyLAN or 802.12, is similar to the other standard; however, it utilizes a different Ethernet frame to send its data.

100BASE-T is available in three different cable technologies:

100BASE-T4 = Utilizes four pairs of telephone-grade twisted-pair wire and is used for networks that need a low-quality twisted-pair on a 100-Mbps Ethernet.

100BASE-TX = Developed by ANSI 100BASE-TX is also known as 100BASE-X, 100BASE-TX uses two wire data grade twisted-pair wire.

100BASE-FX = Developed by ANSI, 100BASE-FX utilizes 2 stands of fiber cable.

Ethernet SNAP

Ethernet SNAP is short for Ethernet SubNetwork Access Protocol and is an Ethernet protocol that enabled old and new protocols to be encapsulated in a type 1 LLC.

Gigabit Ethernet / 1000BASE-T / 802.3z / 802.ab

Gigabit Ethernet is also known as 1000BASE-T or 802.3z / 802.3ab is a later Ethernet technology that utilizes all four copper wires in a Category 5 (Cat 5 & Cat 5e) capable of transferring 1 Gbps.

10 Gigabit Ethernet / 802.3ae

10 Gigabit Ethernet (10GE or 10GbE or 10 GigE) is also known as 802.3ae is a new standard that was published in 2002 and supports up to 10 Gb/s transmissions. 10 gigabit Ethernet defines only full duplex point to point links that are connected by network switches unlike previous Ethernet standards. Half duplex operation, CSMA/CD (carrier sense multiple access with collision detection) and hubs do not exist in 10GbE.

1000BASE-CX

A copper cable gigabit Ethernet standard that is no longer used. This standard has been replaced by 1000BASE-T.

1000BASE-LX

A fiber optic gigabit Ethernet standard that operates over single-mode fiber.

1000BASE-SX

A fiber optic gigabit Ethernet standard that operates over multi-mode fiber with typical distances of up to 550 meters (1804 feet).

Ethernet adapter

An Ethernet adapter or Ethernet controller is a term used to describe an Ethernet network card used to connect a desktop computer to a network. If you are looking for network adapter drivers, you can find them through our network drivers page.