Software Reengineering and Enhancement

Software Reengineering and Enhancement Service is focused on maintaining mission critical applications by timely modifications and changes. Our team of qualified software engineers, business analysts, and subject matter experts (SMEs) have vast experience of successfully undertaking software reengineering and enhancement projects with a variety of Enterprise Resource Planning (ERP) systems and other apparel industry solutions.

The objective of the methodology involved in delivering this service is to ensure that the new/modified functionality is transitioned into the existing application without causing any unexpected results. The following high level steps are involved:

o Analysis and Determination
o Prioritization
o Development
o Deployment

Mass reengineering (or platform migration) of an existing application constitutes a very special type of software engineering undertaking. Such a project entails special risks, opportunities and expertise. Quite often, reengineering projects involve the use of automated impact assessment, conversion and testing tools. Visionet has a highly developed and tested mass reengineering methodology which integrates seamlessly into Visionet’s WorkVision framework. In most cases, the methodology is supported by Visionet’s proprietary or third party impact analysis, conversion, testing and change management tools. The application of these automated tools shortens the project timeframe, reduces the project cost and mitigates the project risks through minimization of human error.

Generally, a reengineering project focuses upon systems vital to the daily functioning of the business. The nature of the work, combined with the size of such systems, usually involves millions of lines of code and large databases. Such projects present, in addition to the basic technical issues, complex issues of planning, logistics, communications and management, the careful handling and integration of which is of critical importance. The methodology addresses both the technical and the logistical aspects.

Visionet's process reengineering and enhancement services cover the entire spectrum of an application reengineering project as shown in the table below:


	Requirement Definition Inventory Conversion Criteria Code and Data Test Bed Tool Selection Project Plan Change Management Plan Risk Mitigation Plan

	Impact to Code Impact to interfaces Data Migration Strategy Business Disruption Issues Packaging/Segmentation Strategy Pilot Conversion Pilot Conversion Review

	Auto Conversion Code Review and Residual Change Test Plan Test Scripts Unit Testing Regression Testing Integrated Testing Data Migration Package

	Acceptance Test Delta Retrofit Cut-over and Data Migration