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<b class="heading">2. JSP Deliverables</b></td>
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<P>Sun's standard practice for a Java API is to provide the API specification with
documentation and a reference implementation, so developers and companies can refer
to a code implementation as they develop their own. Sun provides the following
deliverables for JSP technology:
<div class="list">
<UL>
<a href="http://jakarta.apache.org/tomcat/">
<img border="0" src="images/tomcat2.gif" hspace="10" align="right"></a>
<LI>The JSP Specification - This document defines the application programming
interface. The specification is a useful source document for JSP syntax.</LI>
<LI>The JSP Reference Implementation - Sun licensed the JSP and Servlet Reference
Implementation to the Apache Software Foundation. This project, called
<a href="http://jakarta.apache.org/tomcat/">
<BIG><strong style="color:#0000ff">Tomcat@Jakarta</strong></BIG></a>
, is freely distributable and licensed directly from Apache. Tomcat is already
pre-integrated with the Apache Web Server, a popular Web server. For those not
using the Apache Web Server, most other Web servers are well on their way to
shipping support for JSP technology (see java.sun.com/products/jsp/ for more
information).</LI>
</UL>
</div></P>
<P><B>Competitive Landscape</B></P>
<P>To understand how JSP technology fits in the progression of products supporting
dynamic content, it is worth describing a few of the alternatives.
<div class="list">
<UL>
<LI>CGI (Common Gateway Interface) - CGI programs were an early solution for
simplifying dynamic content. CGI programs are typically written in C
or in Perl, a freely-distributed programming language. Still prevalent
in Web-based applications, they can experience severe performance
problems when scaling to support high-volume access.</LI>
<LI>Mod_perl is a plug-in for the Apache Web Server that integrates the Perl
programming language with the Web server, so programmers can write Web
server extensions in Perl. As a replacement for the CGI interface,
mod_perl addresses some of the limitations of CGI. This is a powerful
solution, but it still has the programmers developing the pages
themselves, and is tied closely to the Apache Web Server.</LI>
<LI>Microsoft Active Server Pages (ASP) technology is closer in spirit to JSP
technology than the others because its goal is to simplify the page
development process. ASP is essentially limited to the Microsoft IIS
Web Server information, see
<a href="http://java.sun.com/products/jsp/">java.sun.com/products/jsp/</a>
.) ASP relies heavily on Basic-based scripting languages, which tend
to be less scalable and more difficult to maintain over time than a
component-based approach.</LI>
</UL>
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Web Page Made By :
<i><a href="mailto:chengchien@linkline.com">Cheng-chien Yu</a></i><br>
Attaendant Class : Santa Monica College - CIS 36H<br>
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