July 2004
Beginner
408 pages
7h 31m
English
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Frames Revisited
Recall from Chapter 1, “Networking Basics,” that frames carry data across the network and are made up of three parts: the header, the data itself (payload), and the trailer, as illustrated in the Figure 6-1.
These three frame components—the header, data, and trailer—combine in making up a complete frame. The header identifies the destination data-link address of the frame, the payload is data from upper-layer protocols (such as packets from the network layer), and the trailer signifies the end of the frame.
Recall from Chapter 5, “Ethernet LANs,” ...
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