Metropolitan area network Totally Explained

Everything about Metropolitan Area Network totally explained

Metropolitan area networks, or MANs, are large computer networks usually spanning a city. They typically use wireless infrastructure or Optical fiber connections to link their sites.

IEEE definition

The IEEE 802-2001 standard describes a MAN as being:

Implementation

Some technologies used for this purpose are ATM, FDDI, and SMDS. These older technologies are in the process of being displaced by Ethernet-based MANs (for example Metro Ethernet) in most areas. MAN links between LANs have been built without cables using either microwave, radio, or infra-red laser links. Most companies rent or lease circuits from common carriers due to the fact that laying long stretches of cable can be expensive. DQDB, Distributed Queue Dual Bus, is the Metropolitan Area Network standard for data communication. It is specified in the IEEE 802.6 standard. Using DQDB, networks can be up to 30 miles (50km) long and operate at speeds of 34 to 155 Mbit/s.
Several notable networks started as MANs, such as the Internet peering points MAE-West, MAE-East, and the Sohonet media network.

Related networks

Further Information

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