In a ring network, every device has exactly two neighbors for 
communication purposes . All messages travel through a ring in the 
same direction (effectively either "clockwise" or "counterclockwise"). A
 failure in any cable or device breaks the loop and can take down the 
entire network.
To implement a ring network we use theToken Ring technology. A Token is 
passed from one computer to another which enables each computer to have 
equal access to the network.

 
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