Introduction
The DotNetNuke application is based on the original IBuySpy Portal reference implementation written by Microsoft to demonstrate（示范） a best practice approach （方法）for constructing（架构） ASP.NET applications.
The DotNetNuke application has been enhanced（增强的）to provide, among（在...之中, ...之一）other things, support for multiple（多重的）portals using a single database/codebase instance（实例）. This feature（特征）allows the DotNetNuke application to be installed on a web server and support multiple websites through a single hosting account. This is perfect（理想的）for a domain specific site that wishes to provide subhosting services to its membership. It is also perfect for intranet（企业内部互联网）installations for companies who wish to have unique websites created for each department/functional group.
Beyond the basic features provided by the IBS Portal, the DotNetNuke application provides vendor卖主/banner横幅management, improved改良的Administrative 管理的interfaces界面的, file system management, enhanced增强的core user modules, new user modules ( FAQs, IFRAME, Business Directory ), and substantial坚固的architectural架构 changes to improve the scalability可量测性/maintainability可维护性of the application.