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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>33.3.0.0.4 Session Packets</TITLE><META NAME="description" CONTENT="33.3.0.0.4 Session Packets"><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="node443.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node443.html"><LINK REL="up" HREF="node440.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node440.html"><LINK REL="next" HREF="node445.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node445.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html8216" HREF="node445.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node445.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html8210" HREF="node440.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node440.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html8206" HREF="node443.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node443.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html8212" 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="tex2html8214" 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="tex2html8217" HREF="node445.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node445.html">33.4 Loss Detection The</A><B> Up:</B> <A NAME="tex2html8211" HREF="node440.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node440.html">33.3 Packet Handling: Processing</A><B> Previous:</B> <A NAME="tex2html8207" HREF="node443.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node443.html">33.3.0.0.3 Repair Packets</A>   <B> <A NAME="tex2html8213" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html8215" 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="SECTION06430040000000000000">33.3.0.0.4 Session Packets</A></H4>On receiving a session message,the agent updates its sequence numbers for all active sources,and computes its instantaneous distance to the sending agent if possible.The agent will ignore earlier session messages from a group member,if it has received a later one out of order.<P>Session message processing is done in[]recv_sess../ns-2/srm.ccSRMAgent::recv_sess.The format of the session message is:count of tuples in this message, list of tuples,where each tuple indicates thesender id, last sequence number from the source, time the last session message was received from this sender, time that that message was sent.The first tuple is the information about the local agent<A NAME="tex2html61" HREF="footnode.html#foot14980" tppabs="http://www.isi.edu/nsnam/ns/doc/footnode.html#foot14980"><SUP>33.3</SUP></A>.<P><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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