CCNA


RING TOPOLOGY tutorials

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In single ring topology in a dual-ring topology
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The data travels in only one direction the data travels in two direction
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As name implies, a ring topology in connected in the form of ring like circle. It has no beginning or end and it doesn’t need terminator.
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When the first ring network was installed, they used a single cable shared by all the devices and data travels in one direction like a merry-go-round. Each device waits for its turn and then transmits. When the data reaches its destination, another device can transmit.
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Later on dual-ring topology was developed. This allows two rings to send data, each in a different direction. This allows more packets to travel over network.
Advantages:-
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Data packets can travel at greater speed as compare to bus topology
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There are no collisions.
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No terminators are needed.
Disadvantages:-
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It require more cable than a bus network
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A break in cable will bring the whole network down.
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When you want to add device to ring, all devices are suspended from using network till you finish your job.
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It is not as popular bus topology or star topology.
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Equipment required are not easily available.