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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>31.4.0.0.2 Functions for Sending Data</TITLE><META NAME="description" CONTENT="31.4.0.0.2 Functions for Sending Data"><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="node395.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node395.html"><LINK REL="previous" HREF="node393.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node393.html"><LINK REL="up" HREF="node392.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node392.html"><LINK REL="next" HREF="node395.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node395.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html7439" HREF="node395.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node395.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html7433" HREF="node392.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node392.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html7427" HREF="node393.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node393.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html7435" 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="tex2html7437" 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="tex2html7440" HREF="node395.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node395.html">31.4.0.0.3 Functions for Window</A><B> Up:</B> <A NAME="tex2html7434" HREF="node392.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node392.html">31.4 Architecture and Internals</A><B> Previous:</B> <A NAME="tex2html7428" HREF="node393.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node393.html">31.4.0.0.1 The TCP header</A>   <B> <A NAME="tex2html7436" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html7438" 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="SECTION06240020000000000000">31.4.0.0.2 Functions for Sending Data</A></H4>Note that generally the sending TCP never actually sendsdata (it only sets the packet size).<P><B>send_much(force, reason, maxburst)</B> - this functionattempts to send as many packets as the current sent window allows.It also keeps track of how many packets it has sent, and limits to thetotal to <EM>maxburst</EM>. <BR>The function <TT>output(seqno, reason)</TT> sends one packetwith the given sequence number and updates the maximum sent sequencenumber variable (<TT>maxseq_</TT>) to hold the given sequence number ifit is the greatest sent so far.This function also assigns the various fields in the TCPheader (sequence number, timestamp, reason for transmission).This function also sets a retransmission timer if one is not alreadypending.<P><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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