Consulting Case: Migration from On-Premise to AWS for a Financial Company

  • AWS Cloud Cost optimization 
  • Cloud Cost optimization 
  • IT Infrastructure and DevOps Consulting
  • On-premises to AWS cloud migration 
aws migration

Client Background:

Our client is a prominent financial company in the region, with over 20 years of experience in the payment market. This technology-driven company has been providing banking processing services, launching card products, and offering solutions for payment acceptance and mobile banking.

The client’s payment system comprises a processing center, payment organization, settlement and clearing center, settlement bank, participating banks in the payment system, as well as card users, retailers, and technology partners.

Please note that the name of the company is not disclosed due to the Non-Disclosure Agreement (NDA) in place.

Business Challenge

The client approached Gart with a request to migrate their Visa Mastercard processing application from On-Premise to the AWS cloud. The decision to move to AWS was made to retain the possibility of a lift and shift migration. However, migrating the application “as is” from On-Premise to the cloud presented its own complexities due to differences in infrastructure limitations and conditions.


Gart devised a detailed step-by-step migration plan from On-Premise to AWS for the client, which included the following steps:

  • Assessment.
  • Lift & Shift.
  • Optimization & Adoption.
  • Acceptance.
  • Monitoring.


During the assessment phase, Gart conducted an inventory of the client’s existing systems to develop a conceptual architecture for their migration to the cloud. A comprehensive business case was developed to outline how the infrastructure would look after migration, the associated costs, and the scenarios where transitioning directly from virtual machines to AWS services would be beneficial.

A crucial aspect was the evaluation of the client’s IT infrastructure and business processes’ readiness for cloud migration. To address this, AWS’s Migration Acceleration Program (MAP) was utilized. This program involved auditing the infrastructure, developing migration plans and strategies for services, cloud testing, and providing support throughout the process.

Additionally, the client benefitted from significant cost savings through the AWS MAP program, which offered discounts on resource usage for up to three years, potentially reaching up to 70% in savings.

Client Benefits of AWS MAP Program:

  • Worry-free migration costs.
  • Expedited migration timeline.
  • Thorough migration cost calculation.

The assessment phase spanned over three weeks, providing the client with comprehensive information on migration possibilities and potential cost savings in the cloud.

Deliverables of the Assessment Period: Migration plan (roadmap & cost estimation)
Lift & Shift:

Considering the client’s requirement for migrating the application “as is,” the lift & shift strategy was chosen. This approach involves moving an application and its associated data to the cloud platform without redesigning the app.


Migrating the financial company’s payment system from On-Premise to AWS using the Lift & Shift strategy yielded several significant advantages and benefits:

Cost Savings

By adopting AWS’s pay-as-you-go model, the client could optimize costs and pay only for the resources they consumed. This approach eliminated the need for upfront capital investments in hardware and infrastructure, leading to potential cost savings in the long run.

Scalability and Flexibility

With AWS’s elastic infrastructure, the client gained the ability to scale their resources up or down based on demand. During peak transaction periods, the system could automatically scale to accommodate the increased workload, ensuring smooth and uninterrupted services for end-users.

Enhanced Performance

AWS’s global network of data centers provided low-latency access to end-users across different geographical regions. This resulted in improved application performance and reduced response times, enhancing the overall user experience.

Security and Compliance

AWS offers robust security features and compliance certifications, ensuring that the financial company’s sensitive data and transactions were well-protected. The platform’s adherence to industry standards and best practices provided the client with peace of mind and minimized the risk of data breaches.

Reliability and High Availability

AWS’s infrastructure is designed for high availability, ensuring that the payment system remains operational even in the event of hardware failures or disruptions. This resilience mitigated potential downtime and minimized business disruptions, promoting continuous operations.

Global Reach

With AWS’s vast global network, the financial company could expand its services to new markets and regions effortlessly. This allowed the client to cater to a broader customer base and explore business opportunities worldwide.

Automated Backups and Disaster Recovery

AWS provided automated backup solutions and disaster recovery options, ensuring that critical data was regularly backed up and easily recoverable in the event of a disaster. This minimized data loss and ensured business continuity.

The migration to AWS empowered the financial company to optimize its operations, reduce costs, and deliver enhanced services to its customers. The strategic move to AWS laid the foundation for future growth, innovation, and scalability in the ever-evolving financial technology landscape.

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