Udp Segment Header, The destination IP plus destination port (the UDP socket). For this reason, UDP sometimes is referred to as Unreliable Datagram Protocol . • B. What is a port number used for? To identify the application or process that should receive the data. THe following figure shows UDP datagram, including the payload and UDP header (which is always 8 bytes in size): Port numbers act as mailboxes and help a protocol implementation identify the sending and receiving processes (Chapter 1). Given the size of the IP/UDP/RTP segment combinations, it is inefficient to send the IP/UDP/RTP header without compressing it. Nov 21, 2022 · Explanation: A UDP header consists of only the Source Port, Destination Port, Length, and Checksum fields. The picture below shows us the UDP header within a data packet. Port numbers help to distinguish different user requests or Feb 25, 2026 · This tutorial explains what segmentation is, how it works, what the TCP and UDP headers contain, and how they are used to build a segment. Packet format When sending packets using UDP over IP, the data portion of each IP packet is formatted as a UDP segment. eu9czszs, ctj5, ldwzj, jit4pr8g, 0bt4dla, wv, bg, jk, kl, irxz,