There are more than 30-year history of technology today, Ethernet is gaining new positions. Originally destined for local networks, it pushed them out of competitors such as ARCNet and Token Ring, and today Ethernet used as business t1, business ethernet its share of close to 100%. Although equipment Fast Ethernet is still the main installed base (approximately 80%), all active in the process of transition to gigabit speeds. Suppliers of active and passive networking equipment for local area networks are focusing on the products’ Gigabit to the desktop. “

By improving the speed and quality of services, Ethernet extends to related areas – storage area networks, distributed enterprise and MAN (Metro Ethernet), wide area networks and access networks, thus reducing the cost of providing services of voice, video and data. It becomes the basis for converged next-generation networks and is used to transparently connect remote offices (L2 VPN, Ethernet over SDH). Standards of IEEE, which defines methods for prioritizing traffic, destination tags, bandwidth management, rapid reconfiguration and redundancy of network resources, can provide guaranteed delivery of packets for time-critical applications.

The adoption of 10 Gigabit Ethernet (IEEE 802.3ae) in 2002 contributed to further expansion of Ethernet in the urban and global networks. Ethernet is widely used in industrial applications and for voice streams, and at the level of global networking technology is an effective traffic delivering IP. Support for a large number of producers is to reduce the cost of equipment Ethernet.

Some are no, and those far away …

History of Ethernet is inextricably linked with the history of the companies – the major manufacturers of network equipment Ethernet. Since the advent of Gigabit Ethernet Ethernet equipment market and the composition of the major players have changed significantly. In 1998, the Ethernet switch market dominated by four companies Cisco Systems (37,3%), 3Com (15,7%), Cabletron Systems (13,8%) and Bay Networks (10,4%). The share of all remaining accounted for only 22.8%.

At that time, Bay Networks, which specializes in solutions for data transfer, and Northern Telecom, a provider of solutions for telephony and telecommunications market, have formed a new company – Nortel Networks. In 2000, Cabletron Systems split into independent companies – Aprisma Management Technologies, Enterasys Networks, Riverstone Networks and Global Network Technology Services, and from the Lucent Technologies (four years earlier seceded from AT & T) to break out Avaya, which went to the line of equipment for corporate networks , in particular switches Cajun.

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