GigeNET Dedicated Infrastructure & Engineering

Dedicated Server Architecture

Bare Metal Design

• Hardware sizing & workload modeling
• RAID configuration strategy
• NVMe and SSD performance optimization
• Redundant power planning
• Network interface bonding & failover
• FreeBSD as primary bare-metal operating system
• bhyve hypervisor for hardware-accelerated VM isolation
• Jail-based multi-tenancy with per-tenant resource limits

Operating System Engineering

• FreeBSD, BSD, Linux deployments
• Hardened OS baseline builds
• ZFS architecture design
• Filesystem performance tuning
• Secure SSH configuration
• jail.conf resource controls with rctl CPU, memory, and process limits
• FreeBSD CURRENT/STABLE branch tracking and source-based upgrades

Multi-Tier & Load Balanced Architecture

• HAProxy Layer 4 & Layer 7 architecture design
• High-availability load balancer clusters
• Dedicated web tier engineering (Nginx/Apache)
• API server cluster architecture
• PHP-FPM scaling pools
• Redis cluster design
• Dedicated database servers with replication
• Private backend network segmentation
• CDN origin architecture integration
• Horizontal scaling across racks or facilities
• Zero-downtime deployment strategy
• pf-based load distribution and traffic steering across tiers
• CARP virtual IP failover for load balancer high availability
• Jail-per-tier isolation with dedicated network stacks

Network Architecture & Traffic Engineering

• Public IP allocation strategy
• VLAN segmentation design
• Firewall architecture (pf, iptables, nftables)
• Reverse proxy and load balancer design
• High-availability clustering
• BGP integration (where applicable)
• DDoS mitigation strategy integration
• VNET jail networking with if_bridge virtual switch topologies
• pf NAT, routing, and rate-limiting for multi-tenant traffic control
• CARP high-availability clusters with shared virtual IP addresses

Colocation Engineering

• Rack layout planning
• Hardware redundancy strategy
• Cable management & structured deployment
• Power utilization modeling
• Cross-connect planning
• Failover architecture across racks
• FreeBSD-optimized rack deployments with standardized base images
• Remote management via serial console (cu/tip) for out-of-band access
• PXE boot with FreeBSD netinstall for automated bare-metal provisioning

Performance Engineering

• Disk I/O deep analysis
• CPU bottleneck diagnostics
• Memory pressure tuning
• Network throughput optimization
• Kernel parameter tuning
• Database performance engineering
• DTrace kernel and userland profiling for live production tracing
• ZFS ARC and L2ARC tuning for memory-optimized storage performance
• sysctl kernel parameter optimization for bare-metal workloads

Security Hardening

• Firewall policy enforcement
• Intrusion detection systems
• Automated IP blocking frameworks
• SSH lockdown & key management
• Log monitoring & anomaly detection
• Patch lifecycle management
• securelevel enforcement for kernel-level immutability
• Capsicum capability-mode sandboxing for process isolation
• Jail isolation with per-jail resource limits and filesystem restrictions
• audit(4) BSM event logging for compliance and forensic analysis

Backup & Disaster Recovery

• ZFS snapshot strategy
• Offsite replication design
• Backup validation automation
• Recovery testing procedures
• Disaster recovery planning
• ZFS send/recv replication between GigeNET sites and offsite targets
• Boot environment rollback with bectl for instant OS-level recovery
• Jail snapshot export pipelines for portable workload backup

Monitoring & NOC Integration

• 24/7 monitoring integration
• Grafana dashboard design
• Log aggregation pipelines
• Alerting & escalation workflows
• Capacity forecasting & growth modeling
• DTrace-based real-time system tracing and anomaly detection
• sysctl and devd event-driven alerting for hardware and service events
• Per-jail resource and health monitoring with rctl metrics

Migration & Infrastructure Expansion

• Datacenter migration planning
• Hardware refresh strategy
• Capacity expansion modeling
• Zero-downtime migration execution
• Cross-provider failover architecture
• Physical-to-virtual conversion with bhyve for legacy hardware retirement
• FreeBSD-to-FreeBSD migration via ZFS send/recv full-system transfer
• Jail export and import for portable workload migration between hosts

Cost & Resource Optimization

• Hardware right-sizing analysis
• Resource utilization modeling
• Network bandwidth optimization
• Infrastructure consolidation strategy
• Operational efficiency engineering
• FreeBSD zero-license-cost bare-metal operating system
• Jail density vs VM sprawl -- higher consolidation per server
• ZFS compression and deduplication for storage cost reduction

Incident Response & Operational Discipline

• Dedicated server outage response
• Forensic log preservation
• Root cause analysis documentation
• Remediation validation testing
• Continuous improvement processes
• ZFS rollback for instant filesystem recovery to known-good state
• Jail containment and isolation of compromised services
• pf emergency block rules for rapid threat mitigation
• audit(4) forensic log analysis for post-incident investigation