VB 6.0 to .NET Migration

Case Study: A leading lender / servicer company's enterprise systems reengineering

Objective: Replatforming enterprise Logistics / ERP / Sales / Accounting System to .NET – End-to-End

Existing Application

• VB 5 Desktop Application
• Oracle 8i
• Citrix

The Challenges

• UI elements were being directly referred in the Business Layer resulting in difficulty in conversion to .NET as certain controls in the UI are not easy to convert.
• The objects generated as result of Existing Data Access Layer were not thread safe.
• The business logic was not very well consolidated.
• Existing architecture lacked support for SOA, flexibility and extensibility
• Typical Challenges of Desktop Application (Navigation, Dedicated DB Connections, Application Distribution)
• Licensing issues due to Citrix.
• Deployment issues to multiple client installation.

Re-Platform Key Objectives

• N-tier web based application using .NET technology
• WEB farm using IIS6.0
• SOA based architecture.
• Web Services for integration with external systems
• Framework based on MVC Architecture
• Dynamic Page generation capability
• Dynamic invocation of business layer. (Developer would just Code the business layer and configure the hooking through XML).
• Making Maximum use of Existing Code.
• Add functionality without Framework Recompile!
• A Flexible Validation framework
• Flexibility to Add Smart Clients.
• Scalable.
• Separation of Database Specific API from the .NET Code
• Reusable Component Based Architecture

Impacted Business Lines

• MRP

Number of Users
3000 users

Number of Concurrent Users
1500

Project Duration
24 Months (in progress)

Project Effort
120,000 Hours

Existing Application Line of Code
2 MLOC

See Visionet's other Enterprise Class Projects Case Studies

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Apparel Manufacturing
Case Studies

Supply Chain Management

Apparel, textile, fashion, clothing software solution

Manufacturing Retail and Wholesale Software

White Papers

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By Jawad Khan, VP Application Developmet

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Is Business Intelligence (BI) the silver bullet?

Apparel Industry News and Events

August 26, 2008

Apparel's Sourcing Summit

second annual Excellence in Sourcing Summit, an official program of Sourcing at MAGIC

Sourcing at MAGIC is North America's largest apparel and fabric sourcing event, drawing thousands of apparel buyers who come to source directly from more than 700 apparel contractors from the top 30 apparel producing regions in the world.

April 2, 2008

Apparel Tech Conference West

Hosted by the Fashion Institute of Design & Merchandising Irvine, California

Apparel, retail, brand executives and managers will attend this conference featuring keynote presentations and numerous sessions on the latest industry strategies,technologies and solutions.