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          Local Area Network Bridges
          Beginning of essay 
Both the physical distance that Local Area Network (LAN) can cover and the number of hosts that can be attached to it are limited. To overcome this limitation, bridges are introduced as devices which connect LANs at the MAC layer. The purpose of bridges is to allow hosts attached to different LANs  ....
          Middle of essay ....ges routing algorithms should be able to adapt quickly to environment changes.
 
 Source Routing Bridges
 
 Source Routing is mostly used to interconnect token ring LANs. In Source-Routing, the source station must determine, in advance, the route to the LAN of the destination station, and include this route in the header of each frame. To determine the routing information, the source stations first issues a search frame, which is general an LCC TEST commands on its ring. If a response is receive....           |   
          
          
          | Number of words: 1000 | 
          Approximate pages: 4 | 
           
           
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