Difference Between IIS and Tomcat

Edited by Diffzy | Updated on: September 23, 2022


Difference Between IIS and Tomcat Difference Between IIS and Tomcat

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Several applications or technology that are utilised on a constant schedule in a computing device are not even recognized or recognised by normal users. They operate in the background and serve such an important function in systems that it is quite tough to process on platforms without them. IIS and Tomcat are two examples of such software. Products are designed to make consumers' lives easier. They were both created in 1990s.

IIS vs Tomcat

The primary distinction between IIS and Tomcat is the organisation that pioneered and committed to these platforms. IIS was created and released in 1995 by the highly regarded and quite well-regarded firm Microsoft, while Tomcat was built and published in 1999 by the Apache Software Foundation.

IIS is now the second commonly utilized web server, following only Apache. Considering its rating, Microsoft has been continuously improving IIS alongside other Microsoft-related products like SQL Server and Silverlight for a long time. With these technologies, Microsoft's.Net Foundation, and the fact that most users are acquainted with the Windows OS, IIS is a particularly desirable web server option.

Difference Between IIS and Tomcat in Tabular Form

Table: IIS vs Tomcat
Parameters and pointers  of Comparison
Developed By
Microsoft developed Internet Information Services (IIS).
Tomcat is a Web server technicians to create by the Apache Software Foundation. Jakarta Servlet, Jakarta Expression Language, and WebSocket are all used to doing this.
IIS is a type of web server.
Web Server Environment
First version release date
On May 30, 1995, the film was released.
The first edition was developed in 1999.
Programming language used
IIS is written in the C++ programming language.
Tomcat's implementation is carried out in the Java programming language.
Full form
IIS is an abbreviation for Internet Data Services.
Tomcat's full name is Apache Tomcat.

What is IIS?

IIS was developed by Microsoft for use in their NT operating system, which is intended for mainframe and web servers. It is presently the second most popular web server, following only Apache. Despite its rating, Windows has been continuously upgrading IIS, as well as its partner technologies SQL Database and Silverlight, which are also Microsoft technologies.

Due to the obvious Net Framework and the reality that almost all users are accustomed with the Windows version, these programmes, as well as Microsoft's IIS, are particularly appealing web server choices. Clients should download Tomcat, a rival's server application, to execute Java and JSP apps on their dns server.

IIS operates via a number of languages and protocols. HTML is used to construct text, buttons, direct past encounters, image placements, and hyperlinks. HTTP is a networking protocol that enables server farms and clients to transfer information. HTTPS encodes information with Tls (TLS) for greater data protection.

Documents can be sent using either the File Transfer Protocol (FTP) or its secure variant, FTPS. Two other technologies that are accepted are the SMTP, which is then used to make and receive mail, and the Network News Transfer Protocol, which can be used to transport items on USENET.

What is Tomcat?

Tomcat was indeed the title given to Apache's open-source Java/JSP servers, which were designed to work in conjunction with their webserver. Because its sole competition, Jun, has shown to be troublesome for the majority of users, Tomcat is without a doubt the best does what it does. It is also extremely technologically advanced due to the fact that it is cheap and also has a strong open-source ecosystem behind it.

Unless you're familiar with the sites or even have a rudimentary grasp of them, you're undoubtedly aware of or have a basic comprehension of the HTTP protocol. If a business should provide any online services, including such simple static HTML (or Hypertext Markup Language) content or just transit data from a server to a client, one may  need to have a server, and that server is HTTP (HyperText transfer protocol).

So, researchers all understand that an HTTP server is required when you want to create a simple, web site, however a servlet is required if you would like to create a dynamic website. The HTTP server is used to convey basic data. Because we want to send dynamic data or develop a dynamic website, we must use the servlet. As a consequence, we need an HTTP server but also a wrapper to execute an application in. The Tomcat server is created by combining the HTTP server with the servlet.

Web Servers provide Portals

Modern web servers may offer significantly more capability to a company and its customers. Web servers are frequently used as gateways for complex, fully engaging web-based apps that connect corporate software and rear programs to build enterprise software. Amazon Web Services, for instance, permits customers to manage public cloud resources via a web-based portal. However, media streaming providers such as Itunes for songs and Youtube for free movies use web servers to deliver real-time streaming material.

Nowadays, surfing is by far the most common usage of the web. Many all throughout the globe gather details by collecting information from other machines via their browser; yet, people here know relatively little further than. To interface with the computer system, the browsers will need to seek documents from the host computer's web servers. It would therefore be in charge of locating and delivering the appropriate pages to consumers.

The Apache web server is an effective and widely used web server nowadays. It enables users who wish to set up their personal web browser to do this with minimal difficulty. The most basic thing anyone could do to handle HTML and other associated technologies is to install the Apache web server.

The next step is to build additional software and services with a web server, such as PHP or Tomcat.

Tomcat is yet another further software program designed to improve the readability and engaging experience people have with the business. Although Tomcat is also a host and is created by Apache, it is sometimes mistaken with Apache's web server. Just take into consideration that, even when they are both platforms designed for usage on the Network, they nevertheless serve independent and distinct purposes.

Tomcat is a browser that is designed to run Java and JSP applications (Java Server Pages). Java and JSP apps are programmes that, like PHP, can generate dynamic pages. These scripts are subsequently executed on a Tomcat server, from which they may be browsed. It is an open source platform, as is all of Apache's work, and because it is open source, it is also free. Tomcat has several benefits over its primary competitor JRun, one of which being trouble-free implementation; many concerns have appeared regarding JRun insertion.

Main Differences Between IIS and Tomcat in Points

  • The distinction between IIS and Tomcat is due to the businesses who created these technologies. IIS is affiliated with Microsoft, whereas Tomcat is connected with the Apache Software Foundation.
  • C++ and JAVA are the scripting languages used by IIS and Tomcat, accordingly.
  • Several devices have distinct release dates. The initial version of IIS was launched on May 30, 1995, but the first edition of Tomcat was published in 1999.
  • The full names of the platforms are Online Information Services and Apache Tomcat.
  • IIS is an expandable web browser designed for usage with all Windows operating systems, where Tomcat is a web server framework designed to execute Java programmes and built by implementing the Jakarta Servlet, Jakarta Expression Language, and WebSocket.
  • Establishing a web server is a multi-step process. You ought to set up a handful of computers to manage various components of a web server. The HTTP server is the first thing you'll need to set up.
  •  IIS (Internet Information Services) is a Microsoft web server that is an excellent choice for most individuals who are otherwise familiar with Microsoft. Tomcat is yet another host, but it is designed to handle Java and JSP applications rather than HTML content.
  • Apache created the Tomcat server as a Java/JSP server. It was specifically designed to connect with Apache's own web server, although it is also functional with IIS and just about any other accessible web server.
  • Microsoft created IIS for use in their NT operating system, which is designed for legacy systems and web servers. It is presently known as the second largest, most common web server in use, behind only Apache. Despite falling behind in the rankings,
  • Windows has been progressively expanding IIS, as well as its partner products SQL Server and Silverlight, although both are from Windows. These apps, in addition to Microsoft's.
  • IIS is a particularly appealing web server solution because of the Net Framework and the fact that most users are familiar with the Operating system. However, in order to enact Java and JSP apps on their server, customers must acquire the Tomcat server package from its rival.
  • Tomcat was the term given to Apache's free software Java/JSP servers, which was designed to function in conjunction through their own web application. Tomcat is without a doubt the greatest at using it, in particular because its lone competitor, Jun, has proven to be troublesome for most users. It is also quite popular among most programmers because it is free and has a lot of assistance from open source software.
  • It is normally left to the user to select a web server for their own website. Although it is preferable for most customers to adhere to a single supplier of programmes to guarantee that they perform flawlessly together, it is occasionally required to crossover into the opposing software supplier for help with particular languages.
  •  This is true for IIS and Tomcat. Most IIS users are doing so because company already are familiar with the Desktop environment and wants the necessary support for customers that a major corporation can provide. However, Tomcat is really the only software capable of simply and consistently executing JSP and Software applications, presenting the user with little choice. It may be more difficult to execute owing to small issues.
  • IIS comes with Microsoft, but Apache is open source software.
  • Whereas IIS is only available for Windows, Apache can operate on practically every os, notably macOS, UNIX, and Linux (though it is particularly suited for Linux).
  • IIS is compatible with other Microsoft products such as.NET and the ASPX programming language.
  • Most concerns are handled by an IIS help desk, whereas Apache assistance is provided by the user base.
  • IIS's safety features that make it a more secure solution than Apache.
  • The core technology of IIS is interoperable with conventional online applications all throughout the world
  • Internet Information Services (IIS) is a Windows flexible, general internet browser that operates on Windows PCs to provide requested HTML pages or data.
  • An IIS web server takes queries from distant client PCs and responds accordingly. This fundamental technology enables web servers to exchange and distribute information over LANs such as intranet and WANs including the Web.
  • A web server may transmit information to consumers in a variety of ways, including static HTML-coded urls, file transactions such as downloaded and uploading, and word processing documents, picture files, and therefore more.


Every technology is designed to benefit the public. They simplify activities and minimise the work and time required to do them. Some are successful, while others become lost in the hills of systems and equipment. IIS and Tomcat are examples of effective software that is still used and upgraded on a regular basis. IIS different updates are released often in order to be updated, but Tomcat is an expansive solution. This implies that it may be modified or revised as necessary. They have been in charge for a lot longer. IIS different updates are released often in order to be updated, but Tomcat is an accessible solution. This implies that it may be modified or revised as necessary. They have been in charge for a long period of time.


  1. https://link.springer.com/chapter/10.1007/978-1-4302-0378-0_1

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"Difference Between IIS and Tomcat." Diffzy.com, 2022. Sun. 25 Sep. 2022. <https://www.diffzy.com/article/difference-between-iis-and-tomcat-333>.

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