Resilient enterprise architecture: high-availability design
The goal of this project was to engineer a robust, fault-tolerant network fabric that eliminates single points of failure. By leveraging dual-provider connectivity and hardware-level redundancy, the objective was to maintain maximum business continuity and uptime across the entire enterprise ecosystem.
// Architecture & connectivity
Features a tiered switching hierarchy, high-speed Layer 3 aggregation, and isolated security zones. Core connectivity includes redundant perimeter firewalls managed via Cisco FMC, dual ISP ingress, and a scalable access layer.
// Redundancy & failover
Deployed every critical node in high-availability (HA) pairs with stateful session synchronization, ensuring sub-second failover and eliminating any single point of failure.
// Defense-in-depth segmentation
Implemented a dual-layer security approach with segregated data center firewalls acting as internal gatekeepers to contain threats and restrict unauthorized lateral movement.
// Dynamic traffic engineering
Replaced legacy static routing with dynamic OSPF and BGP protocols for intelligent, real-time path calculation and automatic failover to alternative ISP routes.
// Centralized governance
Consolidated security orchestration under Cisco Firepower Management Center (FMC), transforming configuration into a unified, compliant, and highly observable security posture.