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Software maintenance and re-engineering services are needed to derive continued benefits from past investments in IT by keeping the IT infrastructure continuously upgraded and maintained.

Axis-IT&T helps to modify existing applications based on the changing needs of the client. These needs may be related to increased usability, performance, features and enhancements.

Challenges of maintaining legacy applications are:

• Technology obsolescence
  
• Limited IT budgets
  
• Staff attrition
  
• Inadequate application documentation
  
• Difficulties in recruiting qualified staff with legacy skills

The process of software re-engineering would involve the following steps:

1. Listing the inventory of IT assets

• Infrastructure
  
• Applications
  
• Data

2. Classification of applications and functions

• Business centric (enterprise level)
  
• Personal productivity tools (business tools)
  
• Departmental applications

3. IRO analysis on each application and function to determine

• Interoperability
  
• Redundancy
  
• Obsolescence

4. Upgradation to current technology

• System architecture
  
  • Hardware & software platforms
    
• Services
  
  • Network access
    
  • Security policy

5. Decision on applications and functions to be

• Life cycle enabled
  
• Discarded
  
• Replaced

6. Development of an action plan

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