The Apache HTTP Server resides on this client tier. The first is known as the client or presentation tier.

Modern software architectures embrace a three-tiered approach to content delivery. The dynamic nature of Apache Tomcat comes from logic implemented in Java code form that is written and deployed to it. Tomcat, however, requires a JDK installation, along with a properly configured JAVA_HOME environment variable. It can be installed on any computer that runs a modern edition of Windows, a Linux distribution or Unix. The Apache HTTP Server has no prerequisites. Tomcat and AHS differences Here the Apache Tomcat Server runs the snoop.jsp, which uses the Servlet API to inspect the incoming request. For the longest time, the term Apache and the Apache web server were synonymous with each other, which resulted in the confusion we now face. Released in 1995, the Apache HTTP Server ( AHS) was the first Apache project and predates the establishment of the Apache Software Foundation in 1999.

The confusion largely stems from the fact that the term Apache has become the colloquial name for the Apache HTTP Server. When you consider that important detail, it's easier to recognize the ill-worded nature of the original Tomcat vs. Normally, when people ask this question, they really want to know, 'What's the difference between Apache Tomcat and the Apache HTTP Server?' Note that both Apache Tomcat and the Apache HTTP Server are projects maintained by the Apache Software Foundation. But, when worded that way, it contains some misleading assumptions. It's a question developers hear frequently. What's the difference between Tomcat and Apache?

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