Chapter 13. Broadcasting events with UDP
This chapter covers
- An overview of UDP
- A sample broadcasting application
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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