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Windows Server 2008

Windows Server 2008 is the most advanced Windows Server operating system yet,
designed to power the next-generation of networks, applications, and Web services.
With Windows Server 2008 you can develop, deliver, and manage rich user
experiences and applications, provide a highly secure network infrastructure,
and increase technological efficiency and value within your organization.
Windows Server 2008 builds on the success and strengths of its Windows Server
predecessors while delivering valuable new functionality and powerful improvements
to the base operating system. New Web tools, virtualization technologies, security
enhancements, and management utilities help save time, reduce costs, and provide a
solid foundation for your information technology (IT) infrastructure.
Built for the Web
Windows Server 2008 comes with Internet Information Services 7.0 (IIS 7.0), a Web
server and security-enhanced, easy-to-manage platform for developing and reliably
hosting Web applications and services. A major enhancement to the Windows Web platform,
IIS 7.0 includes a componentized architecture for greater flexibility and control.
IIS 7.0 also provides simplified management, powerful diagnostic and troubleshooting
capabilities that save time, and comprehensive extensibility.
Internet Information Server IIS 7.0 together with the .NET Framework 3.0 provides
a comprehensive platform for building applications that connect users and data,
enabling them to visualize, share, and act on information. Additionally, I IS 7.0
plays a central role in unifying Microsoft's Web platform technologies—ASP.NET, Windows
Communication Foundation Web services, and Windows SharePoint Services.
Source:
http://www.microsoft.com/windowsserver2008/en/us/overview.aspx