Cloud Migration Strategies for Legacy Applications

A comprehensive guide to moving your legacy applications to the cloud successfully.

Migrating legacy applications to the cloud requires careful planning. The right strategy depends on your applications and business goals.

Migration Approaches

Rehost (Lift and Shift) Move applications to cloud infrastructure with minimal changes. Fastest but least optimized.

Replatform Make minor modifications to take advantage of cloud services. Good balance of speed and benefit.

Refactor Redesign applications to be cloud-native. Most effort but greatest long-term benefits.

Replace Retire legacy applications and adopt SaaS alternatives.

Planning Considerations

• Assess application dependencies thoroughly
• Evaluate total cost of ownership, not just hosting costs
• Plan for training and organizational change
• Implement proper security controls
• Test thoroughly before and after migration