This 2025 brief explains why organizations, especially in banking and finance, must modernize legacy networks to meet rising digital transaction demands while reducing high operating costs, security vulnerabilities, and inflexibility. It positions Brillio’s network infrastructure modernization around SD-WAN plus automation and stronger security to improve speed, reliability, and business continuity, and highlights core services such as new branch/ATM/switch deployments, ATM and branch decommissioning, and large-scale code upgrades managed through structured planning and operational tooling. It also describes a modernized approach using SD-WAN optimization, zero-touch automation with Cradlepoint, and scalable LAN switching with Juniper, supported by impact examples and large-scale execution

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