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Underneath the TCP/IP suite are many protocols that have specialized uses: Domain Name Service (DNS), for example, is a protocol under the umbrella of the TCP/IP suite that denotes the conversion ...
Figure 1-1 makes it easy to understand why the world is comfortable with TCP/IP as the Internet standard protocol suite, but it still uses the OSI Model terms in documents and discussions.
The OSI model sets up a system of layers, ... TCP/IP Protocol. TCP/IP protocol represents the most fundamental and widely used protocol stack on the Internet.
TCP/IP also is a layered protocol but does not use all of the OSI layers, though the layers are equivalent in operation and function (Fig. 2). The network access layer is equivalent to OSI layers ...
Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol, which resides at layers 3 and 4. To understand network communications, it is essential to learn about the ...
IPv4 was the only protocol at the narrow waist of the TCP/IP hour glass, but now IPv6 has added a second protocol to the internet layer. The internet has been under constant development since its ...
The TCP/IP Protocol Stack Using TCP/IP as a model, the sending application (top) hands data to the transport layer, which breaks it up into the packet format required by the network.
The TCP/IP protocol itself has many interoperable implementations, so when two parties are communicating, each could have its own low-level behavior—another fact the programmer should be aware of.
Other Protocols There are other incidental protocols that you'll run into from time to time. The three most common of these would be Remote Procedure Call (RPC), used by Pre-E2K Exchange boxes, X.400, ...
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