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The packet sent by a node to the source to inform it of congestion is called _______
- a)Explicit
- b)Discard
- c)Choke
- d)Backpressure
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The packet sent by a node to the source to inform it of congestion is ...
Understanding Choked Packets in Networking
When a network node detects congestion, it needs a mechanism to inform the source node to slow down its data transmission. The packet used for this communication is known as a "choked" packet.
What is a Choked Packet?
- A choked packet is a signal sent from a receiver back to the source.
- It indicates that the receiver is overwhelmed with data and cannot process any more packets at that moment.
- The term "choked" signifies that the sender should pause or reduce its transmission rate.
Purpose of Choked Packets
- Congestion Control: The primary role is to manage network congestion effectively.
- Flow Regulation: It helps regulate the flow of data, ensuring that the network does not become overloaded.
- Maintaining Performance: By slowing down the sender, it allows the network to recover and maintain optimal performance.
Comparison with Other Options
- Explicit: While explicit signaling can be used in some protocols to inform the sender, it does not specifically refer to congestion notification.
- Discard: Discarding packets is a method used in congestion situations, but it does not involve communication back to the sender.
- Backpressure: Although similar, backpressure is a broader term that refers to the general mechanism of slowing down a sender in response to congestion.
Conclusion
In summary, the correct answer is option 'C', "Choked," as it specifically refers to the packet sent from a node to the source to indicate congestion, ensuring smooth and efficient network operations.
When a network node detects congestion, it needs a mechanism to inform the source node to slow down its data transmission. The packet used for this communication is known as a "choked" packet.
What is a Choked Packet?
- A choked packet is a signal sent from a receiver back to the source.
- It indicates that the receiver is overwhelmed with data and cannot process any more packets at that moment.
- The term "choked" signifies that the sender should pause or reduce its transmission rate.
Purpose of Choked Packets
- Congestion Control: The primary role is to manage network congestion effectively.
- Flow Regulation: It helps regulate the flow of data, ensuring that the network does not become overloaded.
- Maintaining Performance: By slowing down the sender, it allows the network to recover and maintain optimal performance.
Comparison with Other Options
- Explicit: While explicit signaling can be used in some protocols to inform the sender, it does not specifically refer to congestion notification.
- Discard: Discarding packets is a method used in congestion situations, but it does not involve communication back to the sender.
- Backpressure: Although similar, backpressure is a broader term that refers to the general mechanism of slowing down a sender in response to congestion.
Conclusion
In summary, the correct answer is option 'C', "Choked," as it specifically refers to the packet sent from a node to the source to indicate congestion, ensuring smooth and efficient network operations.
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The packet sent by a node to the source to inform it of congestion is ...
Choke packet is sent by a node to the source to inform it of congestion. Two choke packet techniques can be used for the operation called hop-by-hop choke packet and source choke packet.
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