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User Datagram Protocol (UDP) provides a connectionless method for transmitting data across a network. Unlike TCP, UDP does not establish a persistent connection, making it suitable for scenarios where speed is prioritized over guaranteed delivery. Core UDP Communication Components UDP communication typically involves two primary classes: Datagr ...

While we often use serial ports for information printing in embedded systems, this approach isn't suitable for multi-host network environments. This introduces the concept of network programming. In Linux, network programming involves using sockets for inter-process communication, particularly between processes on different hosts. Sockets provi ...

When experiencing network packet loss, the following optimization strategies are typically employed:1. NUMA node configuration<br>2. Network interface ring buffer adjustments<br>3. Network interface multi-queue setup<br>4. Network interrupt affinity configuration<br>5. Flow control settings<br>6. Hardware interrupt ...

Introduction This article covers the essential concepts and practical implementation of network programming in embedded Linux systems. The content focuses on socket programming, protocol fundamentals, and development techniques. Network Fundamentals 1.1 Network Layer Models Two primary layered models exist in networking: OSI Seven-Layer Mod ...