Metropolitan Area Network(MAN)

In this article ,I will explain "what is Metropolitan Area Network?.Types of MAN and  Advantages of  Metropolitan area network". 
Metropolitan Area Network (MAN)
                                                MAN is an abbreviation  of  Metropolitan area network and define as "A network under a single administrative body".
"Single administrator is used for whole city."
"A network which is greater than 100 meters of LAN but smaller than WAN wide area network is called MAN."
"It is also define as a large computer network which extends to a city or large university campus."
                          "MAN is also characterized as high speed connection using fiber optic cable or other digital media." For example
1) Metro Ethernet 
2) Wireless MAN(example of wireless MAN is Wateen )
Types of MAN :
                              Following are three types of MAN technologies.
1) ATM
                    ATM (Asynchronous Transfer Mode) combines the characteristics of circuit switching and packet switching, which allows it to transfer even the real time data


2)FDDI
          FDDI (fiber distributed data interface ) use fiber optic cable for its basic infrastructure.Concept of FDDI is well explain in my previous article.


3)SMDS
                     SMDS (Switched multi megabit data service) allows the transmission of data over large geographical areas in the form of datagrams.


Advantages:


1) It is high speed connection
2) It has low Cost
3) Remove the cost of fiber by using high speed of 1000mbps wireless.
4) Centralized administrator.