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UDP, which stands for User Datagram Protocol, is indeed considered an “unreliable” protocol in terms of how it is typically classified in computer networking. This does not imply that it is faulty or ineffective; rather, it operates with a design philosophy that prioritizes speed and efficiency over error correction and orderliness.
Here are some key points about UDP and its unreliability:
1. No Guarantee of Delivery: UDP does not guarantee that packets sent from the sender will reach the receiver. This means that packets can get lost in transit due to network congestion, buffer overflow, or other transmission errors.
2. No Guarantee of Order: Packets sent using UDP may arrive out of order. Unlike TCP (Transmission Control Protocol), UDP does not reorder packets at the destination. This is acceptable in scenarios where the order of packets is not critical.
3. No Error Correction: UDP does not offer automatic error correction. If a packet arrives at the destination with errors (e.g., due to transmission issues), UDP does not request the sender to resend the packet. It is up to the application using UDP to handle error detection and correction if necessary.
4. No Handshaking: UDP lacks the handshake mechanisms of TCP. There is no establishment of a connection before data is sent, and there is no acknowledgement mechanism to confirm that data has been successfully received.
Despite these characteristics, UDP is highly suitable for situations where the speed of communication is more critical than the accuracy or order of the data
A. True