January 1995
Intermediate to advanced
1200 pages
31h 3m
English
Content preview from TCP/IP Illustrated
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Chapter 12. IP Multicasting
12.1. Introduction
Recall from Chapter 8 that class D IP addresses (224.0.0.0 to 239.255.255.255) do not identify individual interfaces in an internet but instead identify groups of interfaces. For this reason, class D addresses are called multicast groups. A datagram with a class D destination address is delivered to every interface in an internet that has joined the corresponding multicast group.
Experimental applications on the Internet that take advantage of multicasting include audio and video conferencing applications, resource discovery tools, and shared whiteboards.
Group membership is determined dynamically as interfaces join and leave groups based on requests from processes running ...
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