Chapter 7. Internet Group Management Protocol (IGMP)
In this chapter: |
Data transfer services typically use one-to-one delivery with unicast addressing and routing across an IP internetwork. However, one-to-many delivery with multicast addressing across an IP internetwork is a bandwidth-efficient way to deliver audio, video, and other types of content to multiple destinations. One-to-many delivery service requires hosts to inform local routers of their interest in receiving the traffic so that routers can forward the traffic to the subnets of the listening hosts. This chapter describes how IP multicast works and the role of the Internet ...
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