WHAT IS NETWORK TOPOLOGY/TYPES OF NETWORK TOPOLOGY/WHAT IS BUS TOPOLOGY

NETWORK TOPOLOGIES:

THE PHYSICAL LAYOUT OR ARRANGEMENT OF CONNECTED DEVICES IN A NETWORK  IS CALLED NETWORK TOPOLOGIES . DIFFERENT TYPES OF TOPOLOGIES ARE AS FOLLOW.

1) BUS TOPOLOGY

2) STAR TOPOLOGY

3) RING TOPOLOGY

4) MESH TOPOLOGY      

1)BUS TOPOLGY   :

                                                        IN BUS TOPOLOGY A COMPUTERS ARE CONNECTED TO COMMON COMMUNICATION MEDIUM CALLED CENTRAL WIRE KNOWN AS BUS. THE TERMINATORS ARE USED AT THE END OF BUS TO ABSORB SIGNALS .

WORKING OF BUS:

                                                                THE SENDER COMPUTER SEND THE DATA TO THE DESTINATION ADDRESS THROUGH BUS .THE DATA AND ADDRES MOVE FROM ONE COMPUTER TO OTHERS IN A NETWORK.EACH COMPUTER CHECK ADDRESS IF IT MATCHES WITH THE COMPUTER ADDRESS .THE COMPUTER KEEPS THE DATA .OTHERWISE THE DATA MOVES  TO NEXT COMPUTER.

DIAGRAM

ADVANTAGES:

                 1)  IT IS EASY TO USE

                2)       REQUIRED LESS CABLES TO CONNECT COMPUTERS

                  3)  LESS  EXPENSIVE

                    4) IF ONE NODE FAILS IT DOESN’T EFFECT THE WHOLE NETWORK

DISADVANTAGES:

1)   IT  ONLY SUPPORT  SMALL NETWORKS.

       2)    IF NUMBERS OF COMPUTER INCREASES ,NETWORK SPEED WILL SLOW DOWN.