Five 9s Achievement: NMS Customer Portal
April 2020 - October 2021
Achieved 99.999% availability for enterprise monitoring platform serving 500+ critical systems across global financial infrastructure. Custom-compiled OpenNMS with NGINX SSL reverse proxy, integrated with 6 data sources including BMC Remedy, Cassandra, Salesforce, Kafka, and Splunk. Implemented complete DR/HA stack with PostgreSQL 12 cluster, Cassandra 3-node cluster, and hot/cold standby architecture.
System Architecture: Multi-tier infrastructure with NGINX reverse proxy
Key Achievements:
- Reduced MTTR from 45 minutes to 8 minutes (82% improvement)
- Real-time alerting via Apache Kafka for immediate incident response
- Custom compilation of OpenNMS for optimized performance
- Topology and geographical dashboards with automated geo-location
- Self-contained dashboard sets for enhanced security and navigation
- Complete high-availability across entire stack