Consider the following two statements:Statement 1:Stop and Wait protoc...
Efficiency of Stop and Wait is given by, E= 1/(1 +(2*d*B)/v*L), link speed(v) and Bandwith (B) are fixed . Thus only variable terms are packet length(L) and distance(d) Cleary, E decreases with increase in d . And E will increase with increase in L . Hence Stop and Wait is suitable for LANs and bursty data.
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Consider the following two statements:Statement 1:Stop and Wait protoc...
Statement 1: Stop and Wait protocol is preferred for LANs compared to WANs.
Explanation:
- The Stop and Wait protocol is a simple flow control mechanism used in data communication. It is a simple protocol where the sender sends a packet and waits for an acknowledgment from the receiver before sending the next packet.
- In LANs (Local Area Networks), the distance between the sender and the receiver is relatively small, and the transmission delay and error rates are generally low. Therefore, the Stop and Wait protocol can be efficiently used in LANs.
- LANs typically have high bandwidth, low latency, and low error rates, making it feasible to use a simple protocol like Stop and Wait without significant performance degradation.
Statement 2: Stop and Wait protocol is good for bursty data transmission.
Explanation:
- Bursty data transmission refers to the scenario where data is transmitted in short bursts or spikes, followed by periods of inactivity. This type of transmission pattern can occur in various applications, such as multimedia streaming or file transfers.
- The Stop and Wait protocol is suitable for bursty data transmission because it provides a reliable and controlled transmission mechanism.
- After sending a packet, the sender waits for an acknowledgment from the receiver before sending the next packet. This ensures that each packet is successfully received before the next one is sent, reducing the risk of congestion or data loss in bursty scenarios.
- In bursty data transmission, the sender can adjust the packet transmission rate based on the acknowledgment feedback, preventing the receiver from getting overwhelmed with a sudden influx of data.
- The Stop and Wait protocol provides a simple and effective way to handle bursty data transmission, ensuring data integrity and preventing congestion in the network.
Conclusion:
Both statements 1 and 2 are true.
- The Stop and Wait protocol is preferred for LANs due to their low transmission delay and error rates.
- The Stop and Wait protocol is suitable for bursty data transmission as it provides a reliable and controlled transmission mechanism.
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