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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>32.2.4 Timestamp SCTP</TITLE><META NAME="description" CONTENT="32.2.4 Timestamp SCTP"><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="node420.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node420.html"><LINK REL="up" HREF="node417.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node417.html"><LINK REL="next" HREF="node422.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node422.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html7853" HREF="node422.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node422.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html7847" HREF="node417.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node417.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html7843" HREF="node420.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node420.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html7849" 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="tex2html7851" 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="tex2html7854" HREF="node422.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node422.html">32.3 Tracing SCTP Dynamics</A><B> Up:</B> <A NAME="tex2html7848" HREF="node417.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node417.html">32.2 Extensions</A><B> Previous:</B> <A NAME="tex2html7844" HREF="node420.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node420.html">32.2.3 MultipleFastRtx SCTP</A>   <B> <A NAME="tex2html7850" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html7852" 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="SECTION06324000000000000000">32.2.4 Timestamp SCTP</A></H2><P>The Timestamp SCTP agent introduces timestamps into each packet, thus allowing a sender to disambiguate original transmissions from retransmissions. By removing retransmission ambiguity, Karn's algorithm can be eliminated, and successful retransmissions on the alternate path can be used to update the RTT estimate and keep the RTO value more accurate. With timestamps, the sender has more samples for updating the RTT estimate of alternate destination(s) [<A HREF="node589.html#SCTP_CARO_2003e" tppabs="http://www.isi.edu/nsnam/ns/doc/node589.html#SCTP_CARO_2003e">8</A>].<P><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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