Modernizing Legacy Systems for Hybrid Cloud Flexibility

About the Client

The client used an old system that had been around for more than ten years. The system still worked for the most critical business tasks, but it needed to be updated to keep up with changing technology and company needs. At the same time, they had to keep some on-premises components. Hence, a hybrid strategy was necessary to find a balance between new ideas and existing infrastructure investments.

To solve this problem, the client worked with Bloom for Azure Cloud Migration to upgrade their old system while preserving some essential on-premises components.

Project Objective

The goal was to use Azure Cloud Migration to update a system while maintaining a hybrid design.

To upgrade a system that is ten years old.
Rewrite most of the existing codebase.
Change the design of the database, but keep it on the client’s server.
Enable a hybrid migration without having to move all resources to the cloud.
Change from a single architecture to a distributed model.

Project Details

Bloom applied a hybrid Azure Cloud Migration approach, which implies that not all the resources were migrated to the cloud. The aim was to update the application without spending on infrastructure that had already been built.

Important Steps

Using Azure Migration Services to move the old system to Azure.
A lot of code had to be rewritten to meet the needs of current applications.
Redesigning the database while keeping it on the client’s server at their location.
Move from a single architecture to a distributed system.

Engagement Model

Bloom worked closely with the client to set up an organized Azure Cloud Migration approach.

Planning carefully to support a hybrid infrastructure.
Bringing modern cloud capabilities in line with current systems.
Ongoing coordination to keep the system stable during the upgrade.

Technology Highlights

Azure Active Directory (AD) has been used to manage access and identity.
Application Insights for monitoring and measuring performance.
Azure Migration Services to help with the process of moving to a hybrid environment.

Business Value delivered by Bloom

Delivered new features by updating the codebase.
Changed the architecture from monolithic to distributed.
Allowed for more flexible systems while keeping current investments.
Supported hybrid operations without shifting all resources to the cloud.

Market Significance

The client was able to achieve the following with Azure Migration Services:

An updated application environment that meets the current business needs.
Better adaptability through a distributed architecture.
Ongoing use of on-premises infrastructure in a hybrid model.

Noteworthy Deliverables

Rewritten codebase for the application.
New design for the database architecture (on-premise).
Implementation of distributed system architecture.
Setting up monitoring using Application Insights.

Results & Measurable Outcomes

Modernized a decade-old system with Azure Migration Services.
Enabled a hybrid cloud strategy with database storage on-site.
Provided a codebase that was redesigned and easy to maintain.
Moved from a single architecture to a distributed one.
Added new capabilities while making the most of what was already there.

Eventually, Minet Bangladesh was able to turn its old system into a modern and distributed design while retaining some important on-premise components using Azure Cloud Migration. With the help of Azure Migration Services, this hybrid approach made it possible to upgrade without losing money on existing investments.