May 2006
Intermediate to advanced
480 pages
12h 20m
English
Content preview from Understanding TCP/IPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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1.2 TCP/IP
With a few exceptions, the TCP/IP family does not deal with the physical or link layers. In practice, Internet protocols often use protocols that adhere to the ISO OSI standards for the physical and link layers.
What is the correlation between the ISO OSI protocols and TCP/IP? Each group of protocols has its definition of its own layers as well as the protocols used on these layers. Generally speaking, ISO OSI protocols and TCP/IP are incompatible. In practice, ISO OSI-compliant communication appliances need to be used for transferring IP datagrams, or on the other hand, services based on ISO OSI need to be provided via the Internet.
1.2.1 Internet Protocol
Internet Protocol (IP) basically corresponds to the network layer. IP is used ...
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