Case Study

Automated Zero-Downtime Cross-Cloud Migration from Azure AKS to Amazon EKS with 90% Error Reduction

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Industry 

FinTech

Expertise 

ElastiCache Redis, Valkey, Amazon CloudWatch

Offerings/solutions 

Migration from Redis to Valkey on AWS ElastiCache

About the Client

Perpetuuiti Technosoft Services, founded in 2011 and based in Pune, India, provides enterprise software for automation and resilience. Its solutions, like Continuity Patrol, use AI and machine learning to support business continuity and cloud migration. Perpetuuiti serves over 400 clients, including Fortune 500 companies across various industries, and is a leader in enterprise resilience automation.

Highlights

Weeks to hours

Migration time cut

90%

Human errors reduced

50–60%

Engineering effort lowered

The Challenge

Migrating from Azure AKE to Amazon EKS posed challenges like infrastructure and networking differences, manual workload transfers that increased error risk and downtime, and incompatible Kubernetes object specifications. Limited automated workload discovery made identifying dependencies difficult, while mapping Azure services to AWS-native equivalents was essential for maximizing Amazon EKS features.

Solutions

• Identified AKS workloads, namespaces, and resources for migration to EKS.
• Set up authenticated access, required CLI tools, and kubeconfig for both clusters.
• Assessed dependencies and planned migration scope with registry mappings.
• Configured and used Kubernetes Migration Factory (KMF) to scan workloads, adapt manifests, and migrate resources.
• Mapped Azure services to AWS equivalents and applied AWS-native optimizations.
• Ensured security best practices were followed for IAM roles, networking, and secrets management.
• Performed dry-run tests to validate migration readiness and minimize downtime.
• Verified deployments, tested functionality, and reviewed configurations post-migration.
• Benchmarked performance and documented steps for future migrations.

The Results

Automated zero-downtime cross-cloud migration from Azure AKS to Amazon EKS, reducing migration time from weeks to hours, engineering effort by 60%, and human errors by 90%.

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