June 2004
Intermediate to advanced
840 pages
39h 47m
English
Content preview from The Internet and Its Protocols
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42 Chapter 2 The Internet Protocol
2.4 IP in Use
This section examines how IP is used to deliver datagrams to their target hosts.
This is largely an issue of addressing since, on the local network segment, IP
datagrams are encapsulated in data-link layer frames that are delivered accord-
ing to their Media Access Control (MAC) addresses. This section looks at how
network segments can be extended by devices called
bridges,
which selectively
forward frames based on their MAC addresses.
IP has its own addressing, which was introduced in the previous section.
When bridges don't provide sufficient ...
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