This chapter provides a (necessarily) brief introduction to computer networking concepts. For many applications of gawk to TCP/IP networking, we hope that this is enough. For more advanced tasks, you will need deeper background, and it may be necessary to switch to lower-level programming in C or C++.

There are two real-life models for the way computers send messages to each other over a network. While the analogies are not perfect, they are close enough to convey the major concepts. These two models are the phone system (reliable byte-stream communications), and the postal system (best-effort datagrams).
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Hey! Socket programming got you down? Is this stuff just a little too difficult to figure out from the man pages? You want to do cool Internet programming, but you don’t have time to wade through a gob of struct s trying to figure out if you have to call bind() before you connect(), etc., etc. Well, guess what! I’ve already done this nasty business, and I’m dying to share the information with everyone! You’ve come to the right place. This document should give the average competent C programmer the edge s/he needs to get a grip on this networking noise.
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The CellPipe 20A is a high-speed Asymmetrical Digital Subscriber Line (ADSL) device that supports bridging over ATM. It supports RFC1483 Multiprotocol over AAL5. You can use the CellPipe 20A to create a dedicated, physical connection to Digital Subscriber Line (DSL) equipment at the telephone company. You first attach your computer or Ethernet hub to the CellPipe 20A. Then, you connect the unit to a standard telephone line. The other end of the line connects to DSL equipment at the telephone company. Your DSL circuit is dedicated to your CellPipe unit.
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Remove or Disable Conflicting Applications
Internet sharing software and PC based firewall applications typically interfere with the 2Wire gateway, and should be removed or disabled before you install the gateway. The 2Wire gateway provides the same features as the products listed below. If you have any of the following (or similar) applications installed on your computers, remove or disable them according to the manufacturer’s instructions before proceeding.
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Napera delivers a straightforward solution to the network health challenge that is easy to use and manage. The Napera N24 enforces network health and identity without the cost and complexity of large enterprise products.

This guide will walk you through installation and some of the key features of the Napera N24. This evaluation guide follows a stepwise method, building from gigabit switching functionality to full health and authentication requirements for enforced ports.
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The CompTIA Network+ certification is the worldwide standard for professionals with at least nine months of experience in network support or administration. A Network+ certification demonstrates your technical abilities in networking administration and support, and validates your knowledge of media and topologies, protocols and standards, network implementation, and network support. If you have nine months of network administration and support experience, Network+ is ideal for you.
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Your SMCNAS04/SMCNAS24 is a storage solution for small and medium business and home network environments. With its high-speed networked storage, network users can easily access and share music, pictures, and video files. Also, it has a program for discovering the storage system automatic assigned IP address.
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KYOCERA COMMAND CENTER (here in after referred to as COMMAND CENTER) refers to the web home page that is installed in the machine from which you can verify the operating status of the machine and make settings related to security, network printing, E-mail transmission and advanced networking.
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