What is a characteristic of the udp protocol?

What is a characteristic of the udp protocol?

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The User Datagram Protocol (UDP) is the most common of the TCP/IP protocol suite’s Transport Layer communication protocols. It uses the bare minimum of contact mechanisms. While UDP is considered an inefficient transport protocol, it does so by using IP services, which provide a best-effort distribution mechanism.
In UDP, the receiver does not produce a packet acknowledgment, and the sender does not wait for any acknowledgement of the packet sent. This flaw makes the protocol inefficient as well as more difficult to process.
Why do we need an unstable protocol to transport the data, you may ask? We use UDP, and the acknowledgment packets and the actual data share a large amount of bandwidth. In the case of video streaming, for example, thousands of packets are forwarded to the users. Recognizing all of the packets is inconvenient and can result in a significant amount of bandwidth waste. The underlying IP protocol’s best distribution mechanism ensures best efforts to deliver its packets, but even if any packets in video streaming are lost, the effect is not catastrophic and can be easily overlooked. The loss of a few packets in video and voice traffic can go unnoticed at times.

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The User Datagram Protocol (UDP) is a key member of the Internet protocol suite of computer networking. Computer applications may send messages, referred to as datagrams in this case, to other hosts on an Internet Protocol (IP) network using UDP. Setting up communication channels or data paths does not necessitate prior communication.
UDP employs a straightforward connectionless communication model with few protocol mechanisms. At the source and destination of the datagram, UDP provides checksums for data integrity and port numbers for addressing various functions. It lacks handshaking dialogues, exposing the user’s software to the underlying network’s unreliability; distribution, ordering, and duplicate protection are not guaranteed. If an application needs error-correction capabilities at the network interface level, it may use the Transmission Control Protocol (TCP) or the Stream Control Transmission Protocol (SCTP), which are both configured for this purpose.
UDP is ideal for applications where error checking and correction are either not required or performed in-app; UDP eliminates the overhead of such processing in the protocol stack. UDP is commonly used in time-critical applications because dropping packets is preferable to waiting for packets that have been delayed due to retransmission, which might not be possible in a real-time system. 1st

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The User Datagram Protocol (UDP) is a transport layer protocol designed to work with the Internet Protocol (IP). RFC 768, written by John Postel, describes it. It provides an End System with a best-effort datagram service (IP host).
UDP’s service is unreliable, with no delivery guarantees and no defense against replication (e.g. if this arises due to software errors within a router). UDP’s simplicity reduces the protocol’s overhead, and the services may be sufficient in many situations.
End-to-end connections between communicating end systems are not defined by UDP. As a result, there are no link establishment or teardown overheads with UDP communication, and the end device state is minimal. UDP can provide a very efficient communication transport for certain applications due to these characteristics, but it lacks inherent congestion control and reliability.
A second feature of UDP is that it has no built-in protection. On several platforms, applications will send UDP datagrams at the link interface’s line rate, which is often much higher than the usable path bandwidth, contributing to congestion along the path; as a result, applications must be built responsibly [RFC 4505].

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