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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>37.3.1.0.1 Nodes and Links</TITLE><META NAME="description" CONTENT="37.3.1.0.1 Nodes and Links"><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="node534.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node534.html"><LINK REL="previous" HREF="node532.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node532.html"><LINK REL="up" HREF="node532.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node532.html"><LINK REL="next" HREF="node534.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node534.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html9604" HREF="node534.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node534.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html9598" HREF="node532.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node532.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html9592" HREF="node532.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node532.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html9600" 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="tex2html9602" 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="tex2html9605" HREF="node534.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node534.html">37.3.1.0.2 Session Helper</A><B> Up:</B> <A NAME="tex2html9599" HREF="node532.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node532.html">37.3.1 Object Linkage</A><B> Previous:</B> <A NAME="tex2html9593" HREF="node532.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node532.html">37.3.1 Object Linkage</A>   <B> <A NAME="tex2html9601" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html9603" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H4><A NAME="SECTION08131010000000000000">37.3.1.0.1 Nodes and Links</A></H4>The node contains only its node id and the port number for the next agent.A link only contains the values of its bandwidth and delay.<P><PRE>SessionNode instproc init {} { $self instvar id_ np_ set id_ [Node getid] set np_ 0}SessionSim instproc simplex-link { n1 n2 bw delay type } { $self instvar bw_ delay_ set sid [$n1 id] set did [$n2 id] set bw_($sid:$did) [expr [string trimright $bw Mb] * 1000000] set delay_($sid:$did) [expr [string trimright $delay ms] * 0.001]}</PRE><P><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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