WHAT IS RING TOPOLOGY ??

WHAT IS RING TOPOLOGY ??

RING TOPOLGY:

                                      IN RING TOPOLGY  EACH COMPUTER IS CONNECTED TO ITS NEXT COMPUTER 

WITH LAST COMPUTER IS CONNECTED TO THE FIRST COMPUTERS.THUS  RING IS FORMED.

WORKING OF RING:

                                                                      EACH COMPUTER IS CONNECTED IS CONNECTED TO ITS NEXT 

COMPUTERS IN A RING .EACH COMPUTERS RECEIVE THE MESSAGE FROM THE PREVIOUS

 COMPUTER AND SEND IT TO NEXT COMPUTER UNTIL IT REACHED TO ITS CORRECT

 DESTINATION.THE MESSAGE FLOW ONLY IN ONE DIRECTION.

DIAGRAM

ADVANTAGES:

                                         1)      LESS EXPENSIVE THAN STAR TOPOLGY.

                                                   2)      EVERY COMPUTER HAS EQUAL ACCESS TO THE NETWORK.

DISADVANTAGES:

1)      IT IS VERY DIFFICULT TO DETECT ERROR.

2)      IF ONE COMPUTER FAILS IT EFFECTS THE WHOLE SYSTEM.

3)      ADDING AND REMOVING COMPUTERS EFFECTS THE WHOLE COMPUTERS.