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Société Générale

Ensuring Business Continuity and Efficiency with Proven DDI, APIs and Automation

Situation and Challenges Being Faced

The Servers Operating System team manages 70K servers (Windows servers, Linux and IBM AIX) in various forms: physical, virtual and private cloud / public cloud. The DDI (DNSDHCP-IPAM) services also fall under this team. For DNS and IPAM, home-made tools were being used for DNS management and for Subnet referential. For delivering DHCP services, ISC DHCP was used.

The in-house development was proving difcult to maintain: to guarantee performance, production stability, and feature evolution such as security enhancements. Complexity was also being caused by having several DDI infrastructure layers rather than as a whole. And with activity and real-time interactions increasing due to digital transformation, there was a need to handle scalability while boosting delivery capability to cope with the DevOps approach. Lastly, new regulatory compliance requirements concerning critical banking infrastructure (for robustness, resiliency…) were increasing pressure on the team.

Key Benefits

Time Savings

Significant operational time savings

Guaranteed Service Uptime

Guaranteed service uptime as misconfigurations eliminated

IaC & Automation

Time-to-market reduced with IaC & automation

Security Compliance

Rapid security compliance certification

Improved Resiliency

Improved resiliency of business apps

Solution Implemented

As part of their DNS transformation project, Société Générale created an abstraction layer to allow, for instance, the apps team to create their own accounts and manage their own DNS records.

Then, an RFP was created to evaluate the main DDI vendors. After product investigation and tests, EfcientIP SOLIDserver DDI was selected as it met Société Générale’s fnancial and technical requirements.

Main Results

Société Générale’s new DDI infrastructure is now ready for the incoming challenge introduced by the cloud approach and cybersecurity aspects.

They now have just one unique entry point for DNS provisioning and the clustering capability ofered by SOLIDserver has led to a reduction in the number of DNS servers, which are in addition more robust. The consequent time savings brought for expert users is estimated to be between 30% and 40%.

This is on top of the time saved by the reduced number of tickets. The solution has allowed Société Générale to do things which were not possible before, such as transparent maintenance. Also, interfacing with all the SG Cloud platform APIs is now a possibility, enabling “self-service” DNS provisioning and a CI/CD approach.

Conclusions / Future Plans

As Société Générale has a multi-Cloud strategy they will study to scope the EfcientIP solution with this approach.

With regards to security, Société Générale will reinforce security use cases by increasing the security monitoring surface for the Société Générale SOC.

As the EfcientIP DDI (DNS-DHCP-IPAM) solution is now confrmed as a global Société Générale standard, the goal is to extend this standard to other Société Générale entities. Sharing of expertise and global support will help guarantee operational excellence.

Key Resources

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