Flow Control - Transport Layer Video Lecture - Computer Science Engineering (CSE)

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FAQs on Flow Control - Transport Layer Video Lecture - Computer Science Engineering (CSE)

1. What is flow control in the transport layer?
Ans. Flow control in the transport layer is the mechanism used to manage the flow of data between the sender and receiver in a network communication. It ensures that the sender does not overwhelm the receiver with too much data, preventing congestion and data loss.
2. How does flow control work in the transport layer?
Ans. Flow control in the transport layer works by using acknowledgement messages and windowing mechanisms. The receiver sends acknowledgement messages to the sender indicating the amount of data it can receive. The sender adjusts the amount of data it sends based on these acknowledgements, ensuring that the receiver can handle the incoming data.
3. What are the benefits of flow control in the transport layer?
Ans. Flow control in the transport layer provides several benefits. It prevents congestion by ensuring that the sender does not overwhelm the receiver with too much data. It also helps in optimizing network performance by efficiently utilizing the available bandwidth. Additionally, flow control helps in preventing data loss and maintaining the reliability of the communication.
4. What are the different flow control techniques used in the transport layer?
Ans. There are several flow control techniques used in the transport layer, including stop-and-wait, sliding window, and selective repeat. Stop-and-wait flow control involves the sender waiting for an acknowledgement before sending the next data packet. Sliding window flow control allows the sender to send multiple packets without waiting for individual acknowledgements. Selective repeat flow control allows the receiver to selectively request retransmission of specific packets.
5. How does flow control differ from congestion control?
Ans. Flow control and congestion control are closely related but serve different purposes. Flow control focuses on managing the flow of data between the sender and receiver to prevent the receiver from being overwhelmed. It operates at the transport layer. On the other hand, congestion control is responsible for managing network congestion by preventing the network from becoming overloaded. It operates at the network layer and involves techniques such as congestion avoidance and congestion control algorithms like TCP's congestion control.
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