August 2003
Intermediate to advanced
320 pages
10h 14m
English
Content preview from Practical TCP/IP and Ethernet Networking for Industry
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Satellites and TCP/IP 265
User datagram protocol (UDP)
It should be noted, of course, that the UDP protocol still provides an unreliable
connectionless delivery service as for the Internet protocol. Hence the application
program must take account of the need for reliability, possibility of message loss, out of
order delivery, etc.
The user datagram protocol (UDP) is the mechanism by which application programs
send datagrams to other application programs. UDP has multiple protocol ports to
identify the different programs executing on a particular node. As discussed in an earlier
chapter, an abstract destination’s source point on a computer is ...