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title: "System Modernization"
canonical: "https://onesaitplatform.refined.site/page/systemModernization/"
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### Migrate your legacy systems to modern architectures in an agile way

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# **Monolithic architectures**

Single application.

MIxed data from different Business context.

Mixed Business logic.

![](/images/68413e66-f55a-4ab5-97e3-09a07a06d29d)

# **μService architecture.**

Application consists of different μService.

Business logic and data belong to a bounded Business context.

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# **Serverless architecture.**

Application consists of multiple functions.

Fine-granular logic for a specific sted, data resides externally.

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#### The evolution from monolithic technology architectures to modern architectures reflects the continuous search for solutions that enable scalability, flexibility, maintainability and efficiency in software development in an increasingly cloud-oriented world of digital service delivery. Each approach has its own advantages and challenges, and the choice of the right architecture will depend on the specific requirements and objectives of a project.

#### **Onesait Platform** helps you in this transition by providing you with the most appropriate architecture and tools to address this challenge.

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# Strategies to modernise your systems

## Keep your business core by extending functionality

Continue to leverage existing functionality while adding new functionality or capabilities using more current technologies and approaches.

## Gradual replacement

Replace systems and implement the extension gradually, which will minimise risk and allow potential problems to be corrected before they occur.

## Migrating to the cloud

Take advantage of the scalability, flexibility and resource manageability offered by migrating systems to the cloud.

## Modern application development

Develop new applications with modern technologies and architectures that integrate with existing systems, using current programming languages, frameworks and design patterns.