Chapter 44. TCP/IP USER DATAGRAM PROTOCOL (UDP)
The very fact that the TCP/IP protocol suite bears the name of the Internet Protocol (IP) and the Transmission Control Protocol (TCP) suggests that these are the two key protocols in the suite. IP resides at the network layer, and TCP is at the transport layer. It's no wonder that many people don't even realize that there is a second transport layer protocol in TCP/IP.
Like a shy younger brother, the User Datagram Protocol (UDP) sits in the shadows while TCP gets the glory. The fancier sibling deserves much of this limelight, since TCP is arguably the more important of the two. However, UDP fills a ...
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