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Metropolitan Area Network (MAN) in Computer Networking
A Metropolitan Area Network constitutes a computer network that links users to computer resources within a metro area. The word MAN refers to merging several local area networks (LANs) in a city into a single, more extensive network that may connect to a vast area network efficiently. The phrase is also used to describe the usage of point-to-point connections between many local area networks in a metropolitan region to connect them.
History of MAN
When local area networks (LANs) were first established in 1994 to allow data transmission in buildings and offices, businesses largely depended on public switched telephone networks (PSTNs) for LAN connectivity.
However, the telephone network was not designed to manage that volume of traffic. To solve this difficulty, it was proposed that LANs be connected via single-mode optical fiber lines, resulting in establishing a metropolitan area network (MAN) to offer efficient LAN connectivity.
Private organizations or corporations own and manage these fiber optic MANs, which may or may not be fully integrated with the public wide area network.
Working of MAN
A MAN is larger than a LAN but smaller than a WAN. It's commonly used to link geographically distant LANs. As a result, MAN's objective is to create a communication link between two separate LAN nodes.
Optical fiber is commonly used to construct a MAN Network. Routers and switches are used to set up the network. A switch is a port responsible for filtering data, which is often in the form of frames. Any switch functions as a dual-port device, filtering data on one end and controlling connections on the other.
Another device that helps with network connections is the router. A router assists data packets in determining the best path to travel. As a result, it maintains a close check on the data flow. The MAN (Metropolitan Area Network) generally covers a radius of 5 to 50 kilometers.
Where is MAN Used?
MAN can be used for a variety of purposes, including −
- Digital cable television
- Government agencies use it
- Campuses of universities
- Broadband through cable
- Previously, it was used to link the many branches of the local school.
- While in the hospital (for communication between doctors, research offices, labs)
- A system of fire stations
- Traveling through airports
- Community college collaboration around the country
- Public libraries use it
Advantages of MAN
The MAN network has several advantages, some of which are listed below.
- Cost-Effective
- Sending Emails to People in Your Area
- Faster than the WAN
- LAN to MAN Conversion is Simple
- High Level of Security
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