/* UDP header as specified by RFC 768, August 1980 */ struct udphdr { __extension__ union { struct { u_int16_t uh_sport;1) User Datagram Protocol (UDP) is a connectionless protocol, which means UDP is not a reliable protocol when compared with Transmission Control Protocol (TCP) 2) User Datagram Protocol (UDP) is capable of performing fundamental error checking The UDP header includes a checksum field that the destination device can use to check the integrity of the data 3) User Datagram Protocol (UDPThis includes ip header, icmp or tcp or udp header and payload size in bytes The maximum length could be specified by this field is 65,535 bytes Typically, hosts are prepared to accept datagrams up to 576 bytes (whether they arrive whole or in fragments)
Chapter 24 Udp Datagram Transport Service
