在讨论广播和多播之前，先看看简单的基于UDP的服务器框架(清单6)。

Before delving into the topics of broadcast and multicast, however, look at a simple UDP-based server framework (see Listing 6).

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在讨论广播和多播之前，先看看简单的基于UDP的服务器框架(清单6)。

Before delving into the topics of broadcast and multicast, however, look at a simple UDP-based server framework (see Listing 6).

youdao