Servlets & JSP Series 2 - Web APP Architecture
In the old days, say, the year 2000, could fine complete J2EE application servers, standalone web containers, and standalone EJB containers, but today, virtually all EJB containers are part of full J2EE servers, although there are still a few standalone web containers, including Tomcat and Resin, standalone web containers are usually configured to work with an HTTP web server(like Apache), although the Tomcat container does have the ability to act as a basic HTTP server, but for HTTP server capability, tomcat is not nearly as robust as robust as Apache, so the most common no-EJB web apps usually use Apache and Tomcat configured together-with Apache as the HTTP web server, and Tomcat as the web container, some of the most common J2EE servers are BEA’s WebLogic, the open source JBoss AS, and IBM’s WebSphere.
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