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Organizations often decide how to move from one technology platform to another to update and modernize their digital ecosystem. When it comes to moving applications or digital infrastructure, there are two main strategies: Lift and Shift and Replatforming.

This blog aims to dissect the advantages and disadvantages of each migration strategy while highlighting crucial considerations. By providing a comprehensive analysis, we strive to guide you in determining the most suitable migration approach for your business.


Understanding the Lift and Shift Migration Strategy

Lift and Shift, or Rehosting is a migration strategy wherein applications or infrastructure are transferred from an on-premises environment to the cloud without substantial changes to the architecture or codebase.

It prioritizes speed and simplicity by replicating the existing setup in the cloud, enabling a quick transition. While this strategy offers quick deployment and minimizes disruption, it may not fully capitalize on cloud-native features, potentially limiting the long-term benefits of the cloud environment.

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Advantages of Lift and Shift Migration

  • Speed: Lift and Shift migration is typically faster as it requires minimal changes to the existing infrastructure or application code. This helps in a quick transition to a new environment, minimizing downtime and disruptions to operations.
  • Lower Risk: Since the architecture and codebase remain mostly the same, the risk associated with introducing new bugs or issues is relatively low. This enhances the reliability of the migration process, contributing to a smoother transition.
  • Quick Cloud Adoption: Lift and Shift allows organizations to quickly embrace the benefits of the cloud, including improved scalability, cost savings, and easier management.

Disadvantages of Lift and Shift Migration

  • Limited Cloud Benefits: While sticking to the current setup, moving to the cloud with Lift and Shift ensures stability. However, this approach might cause organizations to miss out on the full benefits of the cloud, such as scalability and flexibility.
  • Technical Debt: If the existing architecture or codebase is outdated or poorly designed, a Lift and Shift migration will maintain these limitations, potentially hindering future growth and optimization.

 

Understanding the Replatforming Migration Strategy

Re-Platforming, also known as Re-Architecting or Repackaging, involves making significant changes to the application or infrastructure during migration. This approach aims to leverage the benefits of the new platform, such as increased performance, scalability, and cost optimization, by redesigning and rearchitecting the application.

While it may seem more time-consuming, the potential long-term benefits of this cloud migration strategy include optimized functionality, improved resource utilization, and the ability to fully capitalize on the unique features offered by the new environment.


Advantages of Replatforming Migration

  • Improved Performance and Scalability: Replatforming allows organizations to optimize their applications to take full advantage of the capabilities offered by the new platform, resulting in better performance and scalability.
  • Cost Optimization: By reevaluating infrastructure requirements and leveraging cloud-native services, organizations can optimize costs and only pay for the resources they need.
  • Futureproofing: Replatforming cloud migration strategy provides an opportunity to address any technical debt, improve application architecture, and align with modern best practices, ensuring scalability and flexibility for future growth.

Disadvantages of Replatforming Migration

  • Higher Complexity and Effort: Replatforming requires significant effort, including redesigning and refactoring the application or infrastructure. This can result in a more complex migration process and potentially higher costs.
  • Increased Risk: Making significant changes during migration may lead to the risk of introducing new bugs or issues. Rigorous testing and quality assurance are crucial to mitigate these risks.

How to Choose the Right Migration Strategy

Choosing between Replatforming and Lift and Shift migration strategy involves considering various factors. This decision depends on aspects like the current state of infrastructure, desired long-term benefits, and the organization's willingness to invest in substantial modifications for optimal results. Let’s look at a few considerations.

1. Current State and Goals: Evaluate your existing digital infrastructure or application architecture, its limitations, and your migration objectives. If your existing system is well-architected and aligns with your long-term goals, a Lift and Shift migration might be more suitable. However, if you seek performance improvements, scalability, or cost optimization, Replatforming may be a better option.

2. Cost Considerations: Analyze the cost implications of both strategies, including initial investment, ongoing maintenance, and the potential for long-term cost savings. Replatforming might involve higher upfront costs, but it can lead to significant savings in the long run.

3. Time and Resource Constraints: Assess your organization's capacity and resource availability. Lift and Shift migration is generally quicker and requires fewer resources. However, if you have the time and resources to invest in rearchitecting, Replatforming can provide long-term benefits.

4. Organizational Readiness: Consider the readiness of your organization to embrace change and learn new technologies. Replatforming requires a more significant shift in mindset and potential training for your teams.

Final Thoughts

Choosing the right cloud migration strategy is a critical decision that can have long-term implications for your organization's digital ecosystem. While Lift and Shift migration preserves the existing architecture and provides a quicker cloud adoption, Replatforming offers improved performance, scalability, and cost optimization.

Determining the best cloud migration strategy requires a comprehensive analysis of your organization's current state, long-term goals, cost considerations, resource availability, and organizational readiness. By aligning these factors, you can make an informed decision that sets you on a path toward a successful migration and modernization of your digital infrastructure. Get in touch with our experts who’ll guide you through your migration journey.

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