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Migration Strategy

Learn the 6 R's of migration and develop comprehensive migration strategies.

The 6 R's of Migration​

Rehost (Lift and Shift)​

  • Move applications without changes
  • Fastest migration approach
  • Use AWS Application Migration Service (MGN)

Replatform (Lift, Tinker, and Shift)​

  • Make minimal cloud optimizations
  • Example: Migrate to Amazon RDS
  • Reduce operational overhead

Refactor/Re-architect​

  • Redesign applications for cloud-native
  • Leverage serverless and microservices
  • Maximum cloud benefits

Repurchase (Drop and Shop)​

  • Move to SaaS solutions
  • Replace custom applications
  • Reduce maintenance burden

Retain (Revisit)​

  • Keep applications on-premises
  • Not ready for migration
  • Revisit in future phases

Retire​

  • Decommission unused applications
  • Reduce licensing costs
  • Simplify portfolio

Migration Strategy Framework​

Assessment Phase​

  • Application discovery and inventory
  • Dependency mapping
  • Business case development

Planning Phase​

  • Migration wave planning
  • Resource allocation
  • Risk mitigation strategies