Single-SignOn Intranet Portal On DotNetNuke

Published on January 2017 | Categories: Documents | Downloads: 24 | Comments: 0 | Views: 165
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Client Requirement
Client’s current system included a share point portal that caters to their current needs but was not
attractive enough and was also costly. Client required a DNN portal that would be a single point of
access for all client users to access their applications.
The DNN portal should be attractive, intuitive and should have an appealing design so that the end users
use it on a day to day basis for their daily activities.
Project Scope
 A portal solution that would be used on a daily basis with an attractive look, user friendly design
and should be cost effective too.
 Portal should have different modules controlled by access sites given to the user groups.
 Users should be able to sign in with their AD credentials.
 Third party integration with features that enable users to login without carrying their
credentials. The portal should carry the credentials into the modules.
 Tech savvy users are not required to use the system. User friendly controls lke rich text editors
and form fields should be provided in order to manage system and content.
 Easy update and maintenance should be made available and any developer should be
able to do it.
The team faced the following challenges
 Developing a portal with all current features and including those with exclusive focus o user’s
day to day activities.
 Using a robust framework so that the the portal functions smoothly even when accessed by a
number of users simultaneously.
 SAP and other third party applications integration with single sign on facilities.
 Load balance must be maintained when various features are simultaneously executed.
 Web usability principles to be incorporated while developing and designing several features for
improving user experience.
 User privacy and safeguarding user data.
Technologies Used


Operating System & Server
Windows OS, Multi-Server Architecture with Staging & Production
Environment through Version Controlling releases, Server Optimization,
Security & SSL Implementation, Scheduler for Back-ups, Alert Monitoring
System Integration, Server Performance Tuning at regular intervals,
Software Firewall Configuration & Maintenance
Development Tools &
.Net Framework, DNN, Visual Studio, ASP.NET, C#, SSRS, AJAX, HTML,
CSS, JavaScript etc.
Database MSSQL Database Server, DB Clustering, DB Optimization, Master Slave
Replication, Query Optimization, Scheduler for Backups

Project Leader






Quality Assurance Testers

Taking into account the enormous nature of the portal and the numerous features, the following
development approach was used
 DNN (DotNetNuke) was used for this portal considering the cost factor and allowing the client to
manage the portal content.
 A complete site overhaul was done and an intuitive dashboard was designed to attract end users
and a clear visibility was given to the important areas.
 As DNN uses a three tier development approach, the same was used for the project.
A three tier development approach was used
Business Access Layer (BAL) - the business logics, validations related to data.
Data Access Layer (DAL) - contains MSSQL Server Database, Tables, Stored Procedures and so on. It also
helps the business layer to connect to the data and perform actions such as insert, delete, update etc.
Presentation Layer (PL) - contains .asp or html where data is presented to the user and inputs are taken
from the user.

Presentation layer can only talk to the business layer. It has no connection to the data access layer.
The cycle of requests and their associated responses can be shown in the form of a simple diagram:

Presentation layer Skills: HTML, CSS, JavaScript and UI design.
Business Layer Skills: a programming language so that business rules can be processed by a computer.
Data Access Layer Skills: SQL skills in the form of Data Definition Language (DDL) and Data Manipulation
Language (DML), plus database design.
Advantages of a three tier architecture are:
Flexibility: 3 tier architecture separates the business logic and the presentation logic and makes the
application more flexible.
Maintainability: Changes in one layer of this architecture has no effect on the other layers. Also different
layers require different skills.
Reusability: Reusable components are easy to maintain because the application is separated into
different layers.
Scalability: Application components are distributed across various layers making the application more
Reliability: 3 tier architecture if deployed on various servers makes the system more reliable due to

Development Highlights
 Development was quick and efficient using DNN. The basic functions ran flawlessly as DNN
provided all the base modules which were easy to deploy.
 The system was capable of handling all data with ease of access for everyone.
 With a good initial analysis and planning, a well designed system was set up with all the modules
integrated into it along with the control over user access.
 Web usability guidelines were strictly followed and the interface was made user friendly with
the use of AJAX, CSS and HTML controls. The site was developed and fully functional within a
span of 6 months.
 Legacy systems were integrated with DNN.
 The portal was made responsive and it worked on tablets and mobile phones as well.

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