December 2015
Intermediate to advanced
296 pages
9h 12m
English
This chapter covers
Most of the examples you’ve seen so far have used connection-based protocols such as TCP. In this chapter we’ll focus on a connectionless protocol, User Datagram Protocol (UDP), which is often used when performance is critical and some packet loss can be tolerated.[1]
One of the best-known UDP-based protocols is the Domain Name Service (DNS), which maps fully qualified names to numeric IP addresses.
We’ll start with an overview of UDP, its characteristics and limitations. Following that we’ll describe this chapter’s sample application, which will demonstrate how to use the broadcasting capabilities of UDP. We’ll also make ...
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