What is a Token in a Token Ring Network?
In a token ring network, a token is a special frame that circulates around the network, granting permission to the station holding the token to transmit data. Each station on the network must wait its turn to receive the token before it can transmit.
The token is passed from one station to the next in a predetermined order, ensuring that all stations have equal access to the network. When a station has data to send, it captures the token and appends its data to the token frame. The token then continues to circulate around the network until it reaches the destination station.
The destination station reads the data from the token frame and sends an acknowledgment back to the source station. Once the acknowledgment is received, the source station releases the token back into the network.
The token ring network topology is highly reliable, as the failure of one station does not affect the operation of the other stations. However, token ring networks can be slow, as each station must wait its turn to transmit data.
Related Questions
- What is the main purpose of a token in a token ring network? > To grant permission to stations to transmit data.
- How is the token passed around the network? > In a predetermined order.
- What happens when a station has data to send? > It captures the token and appends its data to the token frame.
- What does the destination station do after receiving the data? > Sends an acknowledgment back to the source station.
- What is a disadvantage of token ring networks? > They can be slow, as each station must wait its turn to transmit data.
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