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USE CASE : APPLICATION MODERNIZATION

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Unleash the potential of your applications with the power of the cloud – and the trust of a SecNumCloud-qualified framework.

Your application landscape is the engine of your organization, yet legacy systems can quickly become obstacles to innovation, agility, and performance.

Application modernization is more than a simple technical update; it’s a strategic transformation that turns your applications into scalable, secure, and future-ready assets.

S3NS provides the bridge for this transformation, combining the most advanced Google Cloud technologies within a trusted framework.

85%

reduction in operational costs

Expected impact over 3 years for organizations using managed container orchestration services such as Google Kubernetes Engine (GKE).

Source : Forrester, The Total Economic Impact™ Of Google Kubernetes Engine with Autopilot

14%

increase in developer efficiency

Observed by organizations using a managed relational database service like Cloud SQL.

Source : IDC – The Business Value of Cloud SQL: Google Cloud’s Relational Database Service for MySQL, PostgreSQL, and SQL Server

The strategic challenge - why modernize now?


Accelerate innovation & competitiveness

Traditional monolithic architectures slow development cycles and complicate feature delivery.
By adopting modern architectures (microservices, containers, serverless), your teams gain the autonomy and agility to innovate faster, test ideas quickly, and respond instantly to market needs.


Gain sustainable cost control

Maintaining legacy systems is expensive — in infrastructure, licensing, and rare skills.
Modernization shifts from a Capital Expenditure (CapEx) model to an Operational Expenditure (OpEx) model aligned with actual usage.
By dynamically adjusting resources, you only pay for what you use.


Mitigate and manage risks

Legacy applications expose organizations to critical risks:
  • Security risks: Older systems are harder to maintain and protect against modern cyber threats.
  • Operational risks: The failure of a single component of a monolith can cause a complete system outage.
  • Compliance risks: Outdated infrastructures struggle to meet evolving regulatory requirements (GDPR, NIS 2, etc.).
  • Skills shortage: Experts in legacy technologies are increasingly rare, making the maintenance of older systems more complex and costly.

S3NS’s response


Accelerated innovation and performance

Access Google Cloud’s reference cloud-native services directly. Orchestrate your applications with Google Kubernetes Engine for unprecedented scalability. Develop with the agility of serverless using Cloud Run. Connect your applications to high-performance AI and data services such as BigQuery.


Optimized and transparent costs

Take advantage of the cloud’s elasticity to optimize your spending. Thanks to pay-as-you-go pricing models and the autoscaling of managed services, your resources are dynamically allocated according to your needs. Our support and governance tools ensure full visibility and control over your consumption, within a French contractual framework.


Risk management at the highest level

Application modernization with S3NS is inherently secure. Your transformation relies on a platform aiming for SecNumCloud 3.2 qualification, offering the highest standard of security and compliance. Take advantage of tools such as VPC Service Controls to create sealed security perimeters against data exfiltration. Manage your confidential data with Secret Manager. Better protect your operations and data from extraterritorial regulations.

They modernized their applications with S3NS

Discover our offers

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Access the Google Cloud Platform offer resold by S3NS

Take advantage of the best of the cloud in terms of diversity of service offerings, performance and continuous evolution.

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Local Controls with S3NS

The power of Google Cloud, in the new France region, with additional guarantees provided by Google Cloud and controls by S3NS (in particular the encryption of customer data), allowing you to both reduce security risks, strengthen your compliance and start your transition to the cloud of trust now.

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Trusted Cloud by S3NS

The power of Google Cloud in France operated & secured by S3NS, aiming to be a trusted cloud (SecNumCloud label), the highest level of certification issued by the French government, in accordance with the French national strategy.