|Windows 2000 Server :
A scalable multitasking operating system that includes advanced component services (COM+), Internet services (IIS, ASP), asynchronous messaging services (MSMQ), and roll-based security.
This is the preferred platform for many server-based products such as SQL Server, Exchange, and many more. Windows 2000 is an excellent platform for custom applications developed in Visual Studio 6. When updated with .Net services, this operating system can host .Net applications developed in C# and Visual Basic .Net. Windows 2000 also works well as a traditional file and print server.
Windows DNA - Microsoft Windows Distributed internet Architecture (DNA) is a suite of technologies that allow the creation of high-performance enterprise processing systems. The DNA framework is an n-tier distributed architecture. DNA covers everything from Internet browsers to backend data systems.