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Difference between IIS and Tomcat

Difference between IIS and Tomcat

There are many web servers available on the market today. Two of the most popular are IIS and Tomcat. Both have their pros and cons, but which one is the best for your needs? In this post, we’ll take a look at the difference between IIS and Tomcat, so you can make an informed decision.

What is IIS?

The Internet Information Services (IIS) is a web server software package designed for use with the Microsoft Windows operating system. IIS is a component of the Windows Server family and can be used to host websites and services on a variety of platforms, including ASP.NET, PHP, and Node.js. IIS provides a graphical user interface (GUI) for managing web server settings, as well as a set of command-line tools for configuring the server. IIS can be installed on any edition of Windows Server, but it is not included in the base installation of Windows Server 2012 R2 or later. In order to install IIS on these versions of Windows Server, you must use the Server Manager tool. Once installed, IIS can be configured to host websites and services on a variety of ports and protocols, including HTTP, HTTPS, FTP, and SMTP. Additionally, IIS can be used to reverse proxy requests from other web servers, such as Apache or Nginx.

What is Tomcat?

Tomcat is a web server from the Apache Software Foundation that executes Java servlets and renders Web pages that include Java Server Page coding. Tomcat is an open-source project that is developed under the Apache License. Version 9.0.17 is the latest stable release, which was released on October 22, 2019. Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Oracle Corporation, and provides a “pure Java” HTTP web server environment for Java code to run in. Tomcat’s primary aim is to provide a robust implementation of the servlet and JSP specifications, including extras such as clustering, JNDI resources, and connection pooling. Besides being used as a standalone web server, Tomcat can also be used embedded in other software projects. For example, the Spring Framework uses Tomcat as its default embedded server. It also provides a “lightweight” HTTP server that can be used for testing or local development where a full-blown web server might not be needed. The most recent GA release of Tomcat is 9.0.17 except for version 8.5 which has reached End Of Life (EOL).

Difference between IIS and Tomcat

IIS and Tomcat are two popular web servers used to host Java applications. IIS is a Windows-based server from Microsoft, while Tomcat is an open-source server from the Apache Software Foundation. Both servers are capable of handling a high volume of traffic and can be used to host large, complex applications. However, there are several key differences between these two servers. IIS supports ASP.NET, while Tomcat does not. In addition, IIS uses a proprietary interface, while Tomcat uses the standard Java servlet API. As a result, Tomcat is generally considered to be more versatile than IIS. However, IIS may be a better choice for applications that require Windows-specific features or that will be deployed on a Windows-based server.


In summary, IIS is a more lightweight and manageable option for smaller websites, while Tomcat is better equipped to handle larger, more complex sites. If you are still unsure which option is best for you, reach out to our team of experts who can help you choose the right web server for your needs. Thank you for reading!

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