Ethernet is a LAN technology that transmits information between computers over shared media at speeds of 10Mb/s. Ethernet is supported on various media, including a thick wire coaxial system (10Base-5), a Thin Wire coaxial (10Base-2), twisted-pair (10Base-T), and fibre optic systems (10Base-FL).

Fast Ethernet, or 100BaseT, is conventional Ethernet but faster, operating at 100 Mbps instead of 10 Mbps. It is designed to address the need for more bandwidth, increased performance, and additional users in Ethernet networks where limited distances are involved and implementation costs are a concern.

FDDI represents a proven 100 Mb/s networking technology based on a timed token-passing network access methodology. It employs a dual ring architecture for redundancy, topological flexibility, and extensive distances making it an ideal choice for high-speed backbones supporting application downtime sensitivity.

WAN (Wide-Area Networking)
Public or private WAN communications systems serve geographically dispersed areas. Numerous WANs technologies, protocols, and standards are employed including but not limited to Frame Relay, ISDN, SMDS, IP, IPX, OSI, DECnet, X.25, T1/E1, T3/E3, and OC3, for the reliability and flexibility required by any given application.


ATM is designed for high-speed transmission of all types of communications, from voice to video to data, over one network. With virtually unlimited bandwidth potential, ATM technology is currently used in network backbones or specific workgroup applications with heavy traffic loads.

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