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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>36.4 Page pools</TITLE><META NAME="description" CONTENT="36.4 Page pools"><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="node510.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node510.html"><LINK REL="previous" HREF="node503.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node503.html"><LINK REL="up" HREF="node490.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node490.html"><LINK REL="next" HREF="node505.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node505.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html9161" HREF="node505.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node505.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html9155" HREF="node490.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node490.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html9149" HREF="node503.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node503.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html9157" 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="tex2html9159" 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="tex2html9162" HREF="node505.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node505.html">36.4.1 PagePool/Math</A><B> Up:</B> <A NAME="tex2html9156" HREF="node490.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node490.html">36. Web cache as</A><B> Previous:</B> <A NAME="tex2html9150" HREF="node503.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node503.html">36.3 Representing web pages</A>   <B> <A NAME="tex2html9158" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html9160" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H1><A NAME="SECTION07240000000000000000"></A><A NAME="sec:webcache-pagepool"></A><BR>36.4 Page pools</H1><P>PagePool and its derived classes are used by servers to generate pageinformation (name, size, modification time, lifetime, etc.), by cachesto describe which pages are in storage, and by clients to generate arequest stream. Figure <A HREF="node504.html#fig:pagepool-hier" tppabs="http://www.isi.edu/nsnam/ns/doc/node504.html#fig:pagepool-hier">36.3</A> provides an overview ofthe class hierarchy here. <P><DIV ALIGN="CENTER"><A NAME="fig:pagepool-hier"></A><A NAME="16690"></A><TABLE><CAPTION ALIGN="BOTTOM"><STRONG>Figure 36.3:</STRONG>Class hierarchy of page pools</CAPTION><TR><TD><DIV ALIGN="CENTER">pagepool-hier </DIV></TD></TR></TABLE></DIV><P>Among these, class PagePool/Client is mostly used by caches to storepages and other cache-related information; other three classes areused by servers and clients. In the following we describe theseclasses one by one.<P><BR><HR><!--Table of Child-Links--><A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A><UL><LI><A NAME="tex2html9163" HREF="node505.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node505.html">36.4.1 PagePool/Math</A><LI><A NAME="tex2html9164" HREF="node506.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node506.html">36.4.2 PagePool/CompMath</A><LI><A NAME="tex2html9165" HREF="node507.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node507.html">36.4.3 PagePool/ProxyTrace</A><LI><A NAME="tex2html9166" HREF="node508.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node508.html">36.4.4 PagePool/Client</A><LI><A NAME="tex2html9167" HREF="node509.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node509.html">36.4.5 PagePool/WebTraf</A></UL><!--End of Table of Child-Links--><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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