Case Study

E-Learning Platform Achieves Efficient AWS Cross-Account Migration for Enhanced Performance

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Amazon RDS, Amazon EC2, Amazon Elastic Load Balancer, Amazon EC2, Amazon CloudWatch, AWS IAM, Amazon VPC, AWS Backup, Amazon GuardDuty, Amazon S3, AWS CloudTrail, AWS Secrets Manager and AWS Directory service


Successful AWS cross-account migration improved availability, reduced costs, secured connections, optimized resources, seamless data transfer, enhancing performance, observability, scalability, and security.

About the Client

Embibe is an EdTech platform offering personalized learning through AI-driven study plans, practice tests, and real-time feedback, empowering students and educators for academic excellence. 



Increased Availability


Cost Reduction in Database

130 TB

Data Migration from Amazon S3 bucket to new AWS account with zero downtime

The Challenge

Embibe faced issues with a legacy AWS setup that uses a Single Availability Zone, resulting in 70% availability and regular 5-20 minute downtimes. With an overprovisioned app server at 30% CPU, costing $1440, they intend to optimize 4 EC2 Windows servers. They approached CloudThat for an AWS migration, aiming to resolve these problems and ensure data consistency with minimal downtime. 


  • Deployed Amazon RDS SQL Server (db.r5.2xlarge) with 8 vCPUs, 64 GB RAM, 200 GB storage in private subnets, multi-AZ  
  • Provided client with AWS EC2 Windows Server with 4vCPU, 16 GiB RAM, IIS, .NET Core.  
  • Optimized performance and cost with load balancers, autoscaling groups. Leveraged AWS Managed Active Directory for user management. 
  • Implemented AWS backup policy for reduced RTO and RPO. Stored 130 TB client data on Amazon S3, archived after 90 days with Amazon S3 batch migration. 
  • Used AWS DMS to migrate data from old EC2 SQL Server to new Amazon RDS SQL Server, enhancing performance. 
  • Employed custom Amazon VPC, monitored services with Amazon CloudWatch, Amazon CloudWatch Logs, and ensured security using Amazon GuardDuty. 
  • Kept services within private subnets and utilized bastion hosts for secure connections. 
  • Enforced least privileged access policies and stored credentials securely with AWS Secrets Manager. 

The Results

Strategic AWS migration and optimization resulted in 30% cost reduction, 99.99% availability, secure connections, and seamless Amazon S3 migration for enhanced business efficiency. 

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