UDP: Introduction and Remote Procedure Call (RPC)
🌍 What is UDP? The User Datagram Protocol (UDP) is a connectionless transport layer protocol. It provides a fast and simple communication mechanism with no guarantees of reliability. Unreliable: No error checking or retransmission. Faster: Lower overhead compared to TCP. No Flow Control: Applications must manage congestion and pacing. 🛠 UDP Header Format Source Port: Port number of the sending process. Destination Port: Port number of the receiving process. Length: Length of the UDP header and data. Checksum: Error-checking field (optional in IPv4, mandatory in IPv6). 💡 When to Use UDP? UDP is ideal for applications where speed is more important than reliability, such as: ...