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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>37.3.2 Packet Forwarding</TITLE><META NAME="description" CONTENT="37.3.2 Packet Forwarding"><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="previous" HREF="node532.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node532.html"><LINK REL="up" HREF="node531.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node531.html"><LINK REL="next" HREF="node537.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node537.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html9642" HREF="node537.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node537.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html9636" HREF="node531.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node531.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html9632" HREF="node535.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node535.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html9638" 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="tex2html9640" 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="tex2html9643" HREF="node537.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node537.html">37.4 Commands at a</A><B> Up:</B> <A NAME="tex2html9637" HREF="node531.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node531.html">37.3 Internals</A><B> Previous:</B> <A NAME="tex2html9633" HREF="node535.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node535.html">37.3.1.0.3 Delay and Loss</A>   <B> <A NAME="tex2html9639" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html9641" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H2><A NAME="SECTION08132000000000000000"></A><A NAME="sec:session-pktforward"></A><BR>37.3.2 Packet Forwarding</H2>Packet forwarding activities are executed in C++. A source application generates a packet and forwards to its target which must be a replicator (session helper). The replicator copies the packet and forwards to targets in the active slots which are either delay modules or loss modules. If loss modules, a decision is made whether to drop the packet.If yes, the packet is forwarded to the loss modules drop target. If not,the loss module forwards it to its target which must be a delay module.The delay module will forward the packet with a delay to its target whichmust be a receiver application.<DIV ALIGN="CENTER"><A NAME="fig:session"></A><A NAME="17616"></A><TABLE><CAPTION ALIGN="BOTTOM"><STRONG>Figure 37.2:</STRONG>Architectural Realization of a Session Level Simulation Session</CAPTION><TR><TD></TD></TR></TABLE></DIV><P><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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