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<!-- Presentation generated by Internet Assistant for Microsoft PowerPoint 97 -->
<HTML>
<HEAD>
<meta name="GENERATOR" content="Microsoft Internet Assistant for Microsoft PowerPoint 97">
<TITLE>Example: Proxy</TITLE>
</HEAD>
<BODY >
<CENTER>
<TABLE WIDTH=100%>
<TR> <TD WIDTH=100% ALIGN=CENTER>
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<TR> <TD WIDTH=100% ALIGN=CENTER>
<IMG SRC="img054.gif" usemap="#Objmap" WIDTH=600 HEIGHT=450 BORDER=0>
</TD> </TR>
</TABLE>
<P>Slide 54 of 77</P>
</CENTER>
<!-- <UL>
<H2>Example: Proxy</H2>
</UL></P>
<P><UL>
AOLserver Process</UL></P>
<P><UL>
Proxy Shell</UL></P>
<P><UL>
1. At startup, pool is initialized with init script, e.g., open db</UL></P>
<P><UL>
3. Script evaluated in proxy, results returned through pipe</UL></P>
<P><UL>
4. Proxy results available in
</UL><UL>
AOLserver interp->result</UL></P>
<P><UL>
2. Scripts sent to proxy with proxy.send:
</UL><UL>
</UL><UL>
<html>
</UL><UL>
Search Results:
</UL><UL>
<%
</UL><UL>
set script pls.search $query
</UL><UL>
foreach doc [proxy.send db $script] {
</UL><UL>
ns_adp_puts [putheadline $doc]
</UL><UL>
}
</UL><UL>
%>
</UL><UL>
...</UL></P>
<P> -->
</Body>
</HTML>
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