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<html><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><!--Converted with jLaTeX2HTML 2002 (1.62) JA patch-1.4patched version by: Kenshi Muto, Debian Project.LaTeX2HTML 2002 (1.62),original version by: Nikos Drakos, CBLU, University of Leeds* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan* with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --><HTML><HEAD><TITLE>14. Local Area Networks</TITLE><META NAME="description" CONTENT="14. Local Area Networks"><META NAME="keywords" CONTENT="everything"><META NAME="resource-type" CONTENT="document"><META NAME="distribution" CONTENT="global"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META NAME="Generator" CONTENT="jLaTeX2HTML v2002 JA patch-1.4"><META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"><LINK REL="STYLESHEET" HREF="everything.css" tppabs="http://www.isi.edu/nsnam/ns/doc/everything.css"><LINK REL="next" HREF="node162.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node162.html"><LINK REL="previous" HREF="node137.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node137.html"><LINK REL="up" HREF="node29.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node29.html"><LINK REL="next" HREF="node143.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node143.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html3458" HREF="node143.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node143.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html3452" HREF="node29.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node29.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html3446" HREF="node141.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node141.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html3454" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html"><IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="file:/usr/share/latex2html/icons/contents.png"></A> <A NAME="tex2html3456" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html"><IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="file:/usr/share/latex2html/icons/index.png"></A> <BR><B> Next:</B> <A NAME="tex2html3459" HREF="node143.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node143.html">14.1 Tcl configuration</A><B> Up:</B> <A NAME="tex2html3453" HREF="node29.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node29.html">2 Simulator Basics</A><B> Previous:</B> <A NAME="tex2html3447" HREF="node141.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node141.html">13.4 Commands at a</A>   <B> <A NAME="tex2html3455" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html3457" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H1><A NAME="SECTION031100000000000000000"></A><A NAME="chap:lan"></A><BR>14. Local Area Networks</H1><P>The characteristics of the wireless and local area networks (LAN) areinherently different from those of point-to-point links. A networkconsisting of multiple point-to-point links cannot capture the sharingand contention properties of a LAN. To simulate these properties, wecreated a new type of a Node, called <TT>LanNode</TT>. The OTclconfigurations and interfaces for <TT>LanNode</TT> reside in the followingtwo files in the main directory:<P><PRE> tcl/lan/vlan.tcl tcl/lan/ns-ll.tcl tcl/lan/ns-mac.tcl</PRE><P><BR><HR><!--Table of Child-Links--><A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A><UL><LI><A NAME="tex2html3460" HREF="node143.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node143.html">14.1 Tcl configuration</A><LI><A NAME="tex2html3461" HREF="node144.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node144.html">14.2 Components of a LAN</A><LI><A NAME="tex2html3462" HREF="node145.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node145.html">14.3 Channel Class</A><UL><LI><A NAME="tex2html3463" HREF="node146.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node146.html">14.3.1 Channel State</A><LI><A NAME="tex2html3464" HREF="node147.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node147.html">14.3.2 Example: Channel and classifier of the physical layer</A><LI><A NAME="tex2html3465" HREF="node148.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node148.html">14.3.3 Channel Class in C++</A></UL><BR><LI><A NAME="tex2html3466" HREF="node149.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node149.html">14.4 MacClassifier Class</A><LI><A NAME="tex2html3467" HREF="node150.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node150.html">14.5 MAC Class</A><UL><LI><A NAME="tex2html3468" HREF="node151.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node151.html">14.5.1 Mac State</A><LI><A NAME="tex2html3469" HREF="node152.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node152.html">14.5.2 Mac Methods</A><LI><A NAME="tex2html3470" HREF="node153.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node153.html">14.5.3 Mac Class in C++</A><LI><A NAME="tex2html3471" HREF="node154.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node154.html">14.5.4 CSMA-based MAC</A></UL><BR><LI><A NAME="tex2html3472" HREF="node155.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node155.html">14.6 LL (link-layer) Class</A><UL><LI><A NAME="tex2html3473" HREF="node156.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node156.html">14.6.1 LL Class in C++</A><LI><A NAME="tex2html3474" HREF="node157.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node157.html">14.6.2 Example: Link Layer configuration</A></UL><BR><LI><A NAME="tex2html3475" HREF="node158.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node158.html">14.7 LanRouter class</A><LI><A NAME="tex2html3476" HREF="node159.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node159.html">14.8 Other Components</A><LI><A NAME="tex2html3477" HREF="node160.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node160.html">14.9 LANs and routing</A><LI><A NAME="tex2html3478" HREF="node161.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node161.html">14.10 Commands at a glance</A></UL><!--End of Table of Child-Links--><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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