Those who have idea of classic ASP knows what is Windows DNA architecture. But those who are using .NET architecture for ASP needs to understand what was DNA architecture. Let’s take a look at what windows DNA architecture is all about.
The Windows distributed Internet applications architecture (DNA) is a Microsoft blueprint for robust, scalable, distributed business software. It gives all combined advantages of centralized mainframe, application servers, Internet technologies and personal computers.
Windows DNA is an evolution which started from mainframes ( where all logic was centralized), Fox Pro ages ( where there was two tier systems), VB6/SQL server (three tier where we talked in terms of having which was mainly COM where business logic resided), COM+ and finally the DNA.