In computer networking, the User Datagram Protocol (UDP) is one of the core communication protocols of the Internet protocol suite used to send messages (transported as datagrams in packets) to other hosts on an Internet Protocol (IP) network.

2024年12月27日 · User Datagram Protocol (UDP) is a connectionless and lightweight transport layer protocol in the Internet Protocol suite, known for its speed and efficiency in applications requiring low latency and real-time performance, despite …

2025年1月29日 · User Datagram Protocol (UDP) is a layer 4 communication protocol used in the internet’s network layer, transport layer, and session layer. Unlike TCP it sends data as independent packets called datagrams without first establishing a dedicated connection.

User Datagram Protocol (UDP) is a communications protocol primarily used to establish low-latency and loss-tolerating connections between applications on the internet. UDP speeds up transmissions because it enables data transfer before the receiving party provides an agreement.

2024年10月20日 · UDP operates at the transport layer of the OSI model, directly above the network layer (typically the IP protocol). This article aims to provide a comprehensive and in-depth analysis of the...

2022年9月3日 · As shown in Figure 1, the User Datagram Protocol (UDP) is a transport layer protocol that supports Network Application. It layered on just below the ‘Session’ and sits above the IP (Internet Protocol) in the Open System Interconnection model (OSI).

5 天之前 · 2.4 传输层（Transport Layer） 传输单位：报文段 功能：提供端到端的可靠或不可靠数据传输，管理流量控制、错误恢复和数据分段。 关键协议：TCP（可靠传输，如网页浏览）、UDP（不可靠但高效，如视频流）。

2021年1月9日 · RFC 1122 refers to UDP as “almost a null protocol”; while that is something of a harsh assessment, UDP is indeed fairly basic. The two features it adds beyond the IP layer are port numbers and a checksum. The UDP header consists of the following:

Transport Layer 3-3 Transport services and protocols " provide logical communication between app processes running on different hosts " transport protocols run in end systems ! send side: breaks app messages into segments, passes to network layer ! recv side: reassembles segments into messages, passes to app layer

User Datagram Protocol (UDP) is one of the protocols of the transport layer. It provides a connectionless service, or you can say it is a connectionless protocol. Basically, it just sends packets from sender to receiver, which means that the path between sender and receiver is not established. UDP does not guarantee packet delivery.