Perfode is fully managed and hosted; there's no software for you to install, maintain or upgrade. All you'll need is a Web browser. Perfode runs on the latest Microsoft ASP.NET v2.0 platform. What this means is improved system performance, scalability, high security and reliability. Perfode operates on Corporate Intranets or over the Internet as a hosted ASP application. The following diagram illustrates the system architecture of the application:

User Interface
The User Interface is what you see while interacting with the system. The interface elements are developed using ASP.NET, C#, XSL, AJAX and JavaScript to give a rich user experience. Perfode works best with IE and Firefox. These UI components interface with many business layer and data components stored in DLLs.

Services
Perfodes Appraiser is made up of other components and services like, Web Services, Email engine, Task generator engine, Reminder Engine and Security engine to perform variety of tasks and constantly monitor the health of the system.

Business Logic and Data Encapsulation
This layer consists of components which interfaces with the User Interface layer and the services to provide support and embed the business logic.

Data Layer
Perfode Enterprise-class SQL Server 2005 database. SQL Server offers us the flexibility and scalability necessary to handle huge jobs without performance restrictions. This means a secure, stable database that protects client data integrity better than others.