hgomez 2002/09/06 05:24:03 Modified: jk/xdocs index.xml Log: More informations about jk pro/cons Revision Changes Path 1.6 +65 -50 jakarta-tomcat-connectors/jk/xdocs/index.xml Index: index.xml =================================================================== RCS file: /home/cvs/jakarta-tomcat-connectors/jk/xdocs/index.xml,v retrieving revision 1.5 retrieving revision 1.6 diff -u -r1.5 -r1.6 --- index.xml 5 Sep 2002 08:39:26 -0000 1.5 +++ index.xml 6 Sep 2002 12:24:03 -0000 1.6 @@ -23,16 +23,16 @@ <ul> <li> -<a href="jk/aphowto.html">mod_jk</a> is an Apache module to be used with <b>Apache 1.3 and 2.0 Webservers</b>. +<a href="jk/aphowto.html">mod_jk</a> is an Apache module to be used with <b>Apache 1.3</b> and <b>2.0</b> Webservers. </li> <li> -<a href="jk/iishowto.html">isapi</a> is a redirector to be used with <b>IIS Webservers</b>. +<a href="jk/iishowto.html">isapi</a> is a redirector to be used with <b>IIS</b>. </li> <li> -<a href="jk/neshowto.html">nsapi</a> is a redirector to be used with <b>Netscape/iPlanet WebServers</b>. +<a href="jk/neshowto.html">nsapi</a> is a redirector to be used with <b>Netscape/iPlanet</b>. </li> <li> -<a href="jk/domhowto.html">dsapi</a> was also ported to <b>Domino</b> but there is no more active support on it. +<a href="jk/domhowto.html">dsapi</a> is a redirector to to be used with <b>Domino</b> but there is less active support on it. </li> </ul> @@ -40,61 +40,76 @@ <section name="Why should I use the jk ?"> <p> -Several reasons: -<ul> -<li> -mod_jserv was too complex. Because it was ported from Apache/JServ, it brought with it lots of JServ specific bits that aren't needed by Apache. -</li> -<li> -mod_jserv supported only Apache. Tomcat supports many web servers through a compatibility layer named the jk library. -Supporting two different modes of work became problematic in terms of support, documentation and bug fixes. -mod_jk should fix that. -The layered approach provided by the jk library makes it easier to support both Apache1.3.x and Apache2.xx. -</li> -<li> -Better support for SSL. mod_jserv couldn't reliably identify whether a request was made via HTTP or HTTPS. mod_jk can, using the newer Ajpv13 protocol. -</li> -<li> -mod_jk offers a lot of different and flexible communications between a Web Server -and the Tomcat Servlet Engine and could be used today by all of the ASF Tomcat Engine, -3.2.x, 3.3.x, 4.0.x, 4.1.x and 5.x -</li> -</ul> +jk was develop to overcome many limitations of its ancestor, <b>mod_jserv</b>. +</p> + +<p> +<b>mod_jserv</b> was too complex and because it was ported from Apache/JServ, +it brought with it lots of JServ specific bits that aren't needed by Apache. </p> -</section> -<section name="What's the difference between mod_jk and mod_jk2 modules ?"> <p> -mod_jk2 is a full rewrite of mod_jk and is much more powerfull +Where <b>mod_jserv</b> supported only Apache webservers on Unix OS, +<b>jk</b> supports much more web servers and operating systems through +via a compatibility layer named the <b>jk library</b>. +The layered approach provided by the jk library makes it easier to +support many different webservers and OS. +</p> -<ul> -<li> -Even if it works with Apache 1.3, mod_jk2 has been developed with Apache 2.0 in mind, -and sus is better suited for multi-threaded servers. -</li> -<li> -mod_jk2 has a better separation between protocol and physical layer. -As such mod_jk2 add support to the fast unix-socket, and could be extended to support others communications -channels. More it's better suited for JNI and JDK 1.4 fast IO APIs</li> -<li> -mod_jk2 could be monitored via special URLs -</li> -</ul> +<p> +jk offer better support for SSL, that's was a problem with mod_jserv which couldn't +reliably identify whether a request was made via HTTP or HTTPS. +</p> +<p> +jk can, using the newer Ajpv13 protocol which relay many SSL informations required by servlet 2.2 and 2.3 specs. +</p> + +<p> +jk offers a lot of different and flexible communications between a Web Server +and the Tomcat Servlet Engine and could be used today with all of the ASF Tomcat Engines, +<b>3.2.x</b>, <b>3.3.x</b>, <b>4.0.x</b>, <b>4.1.x</b> and <b>5.x</b> +</p> + +</section> + +<section name="What's the difference between jk and jk2 ?"> +<p> +jk2 is a full rewrite of jk and is much more powerfull. +</p> +<p> +Even if it works with Apache 1.3, jk2 has been developed with Apache 2.0 in mind, +and sus is better suited for multi-threaded servers like IIS, NES/iPlanet. +</p> +<p> +jk2 has a better separation between protocol and physical layer. +As such jk2 support fast unix-socket, and could be extended to support others communications +channels. Better it's suited for JNI and JDK 1.4 fast IO APIs +</p> +<p> +jk2 could be monitored via special URLs (like mod_status) </p> -<br/> </section> <section name="Are there alternative ways to connect Apache and Tomcat?"> <p> - The alternative ways are better described in <b>mod_webapp</b> - documentation. - Check there for it and then decide if you want to go on reading. - The big advantage of <b>mod_webapp</b> is that is very easy to configure, - has a well defined protocol named <b>WARP</b>, does not care about the old - crappy protocols used in Tomcat-3.x and so. - But it would be possible to implement the <b>WARP</b> protocol in - <b>mod_jk2</b> ;-)) - </p> +The alternative ways are better described in <b>mod_webapp</b> +documentation. +</p> +<p> +Check <b>webapp</b> site for it and then decide if you want to go on reading. +</p> +<p> +The big advantage of <b>mod_webapp</b> is that is very easy to configure, +has a well defined protocol named <b>WARP</b>, does not care about the old +crappy protocols used in Tomcat-3.x and so. +But it would be possible to implement the <b>WARP</b> protocol in +<b>jk2</b> ;-)) +</p> +<p> +The disadvantage is that it requires the <b>Apache Portable Library</b> +which is still only easily available via Apache 2.0 and that it didn't support +WebServers like IIS, NES/iPlanet or Domino. +</p> </section> </document>
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