Completing a large-scale migration and modernization (MAM205)

Transforming Enterprises with AWS: Lessons Learned and Proven Strategies

Executive Sponsorship and Business Case

  • Establishing executive sponsorship and buy-in is crucial for a successful migration and modernization journey
  • Defining a clear "North Star" or business objective, such as improving delivery speed, is essential for building a compelling business case
  • Leveraging benchmark insights from other customers who have executed large-scale migrations can help build the business case

Empowered, Single-threaded Leadership

  • Appointing a single-threaded leader who can remove blockers and bring together all necessary stakeholders is a key lesson learned
  • This leader ensures the required resources are available and helps navigate organizational changes during the transformation

Cloud Centers of Excellence (CCoE)

  • CCoEs can be a powerful means of driving change, but they need to be set up and managed carefully to avoid becoming a bottleneck
  • Centralized CCoE functions like enablement, security, and compliance standards are important, but federated CCoE teams can also provide value by working closely with individual business lines

Migration Readiness Assessment

  • Conducting a thorough migration readiness assessment, either with AWS ProServe or an APN partner, can help identify focus areas and ensure a successful migration

Leverage AWS Tools and Services

  • Avoid building custom landing zones or infrastructure as code; use AWS Control Tower to establish the foundational layer
  • Utilize AWS tools like Application Migration Service (MGN), Database Migration Service (DMS), and DataSync to accelerate the migration process
  • Consider leveraging AWS-provided observability and monitoring solutions to support the migration and modernization journey

Transformation Experience

  • Embrace a "build, support, iterate" mindset for application teams, where they own the cost and observability of their workloads
  • Implement principles like "if you build it, you support it" to drive operational ownership and accountability
  • Leverage automation and AI/ML-powered tools to streamline and accelerate the migration and modernization processes

Danske Bank's Transformation Journey

  • Danske Bank has achieved remarkable migration velocity by automating the entire process and reducing the manual effort required
  • Their Danske Bank Lyn solution, now available through AWS Rapid Migration Service, showcases the power of automation and data-driven approaches
  • Key lessons include communicating widely, driving organizational mindset change, upskilling teams, and leveraging the partner ecosystem

Conclusion

  • The migration and modernization landscape is rapidly evolving, with new tools, services, and best practices emerging constantly
  • By embracing a principle-driven approach, leveraging AWS resources and expertise, and driving organizational transformation, enterprises can achieve remarkable results in their cloud journeys

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