LAN: A local area network (LAN) consists of two or more computers connected together in a building or home using software and hardware. A LAN is contrasted to a wide area network (WAN) such as the Internet, which covers a large geographic area. In a LAN, there is a main computer or server, and remote computers called clients. By creating a LAN in the home or office, computers on the LAN can share files, resources, and if desired, an Internet connection. (Source: www.wisegeek.com)
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A WAN (Wide Area Network) is a computer network that covers a broad area and its communication links can traverse across metropolitan, regional or national boundaries. Protocols such as Packet over SONET/SDH, MPLS, ATM and Frame relays are often used for the delivery of circuits that are used in WANs.
Multiprotocol Label Switching (MPLS) is a mechanism in high-performance telecommunications networks which directs and carries data from one netw ... read more
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Ethernet in the First Mile (EFM), also known as IEEE 802.3ah, is defined as a collection of protocols specified in IEEE 802.3, defining the Ethernet in the access networks, i.e. first or last mile.
The first mile (also called the last mile, the subscriber access network, or the local loop), is the link between the end user and the public network. On a typical LAN setting DSL and cable modems operate at a modest 5-10% of the LAN setup’s total capacity which cau ... read more
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