Sams Teach Yourself Microsoft® Windows® DNA Programming in 21 Days

Summary

Today, we started looking at the Windows DNA architecture. We looked at how software development has evolved from a monolithic model to client/server and now to the multitiered Windows DNA model. We looked at the importance of components to a scalable application architecture and we looked at how Microsoft implements components as objects.

You learned about the three tiers of the Windows Distributed interNet Application (DNA) platform. The data tier is responsible for all activities that have to do with managing and accessing data. The business logic tier is where the components exist that implement your applications specific business logic. The presentation tier is responsible for the interface to the user. You learned that the Windows ...