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TCP Overview, Functions and Characteristics
As I mentioned in the previous section
overview, the Transmission Control Protocol
(TCP) is a critically important part of the TCP/IP suite. It's also
a fairly complicated protocol, with a lot of important concepts and
mechanisms to understand. The old joke says the best way to eat an elephant
is one bite at a time. Similarly here, we can best comprehend
the operation of this complicated protocol by going slowly, starting
with a high-level look at it, where it came from, and what it does in
In this section I begin our look
at TCP with an introduction to the protocol. I first provide an overview
and history of TCP, and describe the standards that define it. I then
give a bird's eye view of TCP by describing it in two important
ways. I illustrate what TCP actually does by listing its functions,
and then explain how TCP works by describing its most important characteristics.
This will give you a feel for what TCP is all about, and hopefully set
the stage for the more complex technical discussions in subsequent sections.
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The TCP/IP Guide (http://www.TCPIPGuide.com)
Version 3.0 - Version Date: September 20, 2005
© Copyright 2001-2005 Charles M. Kozierok. All Rights Reserved.
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