This 2024 case study describes how a top US bank addressed scalability and cost-efficiency roadblocks caused by legacy systems that were expensive to maintain and difficult to integrate with modern technology. The bank pursued a three-part strategy: evaluating multi-cloud vendor options with an emphasis on micro-segmentation, establishing reliable connectivity controls for applications within virtual network boundaries, and enhancing a network automation tool to streamline network device configuration. Brillio supported the effort through staff augmentation and modern DevOps practices, using Ansible to automate configuration and Terraform to deploy AWS resources, while applying a phased technology refresh to reduce disruption across the broader network product line. Outcomes highlighted im

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