Updated: July 9, 2020 (December 2, 2002)
Analyst ReportAppendix: Rewritten IIS Anchors Windows Server 2003
The version of Internet Information Services (IIS) in the upcoming Windows Server 2003 has been completely redesigned to improve reliability, performance, and security. Because of the redesign, IIS 6.0 is not fully backward compatible and contains a great deal of new code, so customers will have to test their Web applications carefully before moving to the new server.
IIS 6.0 Goals
The following two forces drove Microsoft to redesign IIS:
Supporting .NET. ASP.NET, which runs on IIS, is one of the key platforms for delivering Microsofts .NET vision of Web services. For ASP.NET to gain acceptance as the preferred platform for delivering Web applications and services, IIS had to be made more reliable and secure, and be able to handle a large number of requests.
Holding off Apache. Open source Web servers, such as Apache hosted on Linux or FreeBSD, offer attractive features and lower licensing costs, particularly for organizations looking to evaluate using open source software in a relatively safe environment.
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