01 / Capability
Cloud Infrastructure Architecture
Greenfield FreeBSD Cloud Design
- FreeBSD as the base OS for all cloud workloads
- Jail-based application isolation and segmentation
- bhyve hypervisor hosting for multi-tenant environments
- ZFS dataset hierarchy per jail and application
- pf firewall segmentation between workload tiers
- VNET networking for per-jail network stack isolation
- Multi-host jail distribution for high availability
Multi-Host & Geographic Architecture
- CARP-based active/passive failover across hosts
- DNS-based geographic traffic routing
- ZFS send/recv replication between sites
- Cross-host jail failover and migration
- Latency-aware traffic distribution with pf and HAProxy
Hybrid & Multi-Platform Strategy
- FreeBSD alongside cloud provider instances
- On-premises to colocation bridging
- Cross-platform networking via WireGuard and IPsec
- Vendor-neutral design with FreeBSD as control plane
- bhyve for local development mirroring production
02 / Capability
Compute & Scaling Architecture
- bhyve VM orchestration and lifecycle management
- Jail-based application tier isolation
- rctl resource limits per jail (CPU, memory, disk I/O)
- cpuset-based CPU pinning for critical workloads
- Stateless jail templates via ZFS clones
- Worker jail pools for queue and batch processing
- Vertical scaling via live rctl limit adjustments
- Horizontal scaling via jail replication across hosts
03 / Capability
Network Architecture & Traffic Engineering
- pf firewall rulesets with table-based blocking
- CARP virtual IPs for gateway and service redundancy
- if_bridge for jail-to-jail and jail-to-host networking
- VNET jails with dedicated per-jail network stacks
- L4/L7 load balancing with HAProxy on FreeBSD
- pf-based traffic shaping, rate limiting, and ALTQ QoS
- DDoS mitigation via pf rate rules and synproxy
- WireGuard and IPsec VPN tunnels for site-to-site connectivity
- Zero-trust enforcement via pf rules and jail network namespaces
04 / Capability
Storage & Data Architecture
- ZFS pool layout design (mirrors, RAIDZ, RAIDZ2)
- ZFS dataset hierarchy per jail and application
- Snapshot scheduling and retention policies
- ZFS send/recv for cross-host and cross-site replication
- GEOM-based disk management and geli encryption
- ZFS compression tuning (lz4, zstd) for storage efficiency
- ZFS deduplication analysis and workload-specific tuning
- Quota and reservation management per dataset
05 / Capability
High Availability & Disaster Recovery
- RTO/RPO planning with ZFS snapshot granularity
- ZFS send/recv incremental replication for disaster recovery
- CARP failover for automatic service continuity
- Jail migration between hosts via ZFS snapshot transfer
- Cross-host database replication with streaming WAL
- Automated failover scripting via rc.d and cron
- Disaster recovery drills with ZFS rollback testing
- Incident response with jail snapshot forensics
06 / Capability
Security Architecture
- Capsicum capability-mode sandboxing for applications
- securelevel enforcement for production systems
- pf firewall with stateful packet inspection and logging
- Jail-based process and filesystem isolation
- MAC framework (Biba, MLS) for mandatory access control
- geli disk encryption for data at rest
- audit(4) framework for security event logging
- Role-based access management via login.conf and pw
07 / Capability
Infrastructure as Code (IaC)
- FreeBSD-specific Ansible modules (pkgng, portinstall, jail)
- jail.conf templating for repeatable jail provisioning
- Custom rc.d service management scripts
- Version-controlled /etc with etckeeper or git
- Environment parity via jail cloning (dev/stage/prod)
- Immutable jail images from ZFS snapshots
- sysrc-based configuration management
08 / Capability
Performance & Capacity Planning
- DTrace for kernel and application profiling
- sysctl tuning for network, memory, and scheduler
- ZFS ARC sizing and L2ARC configuration
- bhyve resource modeling (vCPU, memory, disk IOPS)
- Network throughput tuning (kern.ipc.maxsockbuf, net.inet.tcp)
- IOPS benchmarking with ZFS recordsize optimization
- Jail-level resource profiling via rctl
09 / Capability
Cost-Aware Architecture
- FreeBSD zero license cost for all deployments
- Jail density for maximum hardware consolidation
- ZFS compression savings analysis (lz4, zstd ratios)
- bhyve vs jail cost-benefit analysis per workload
- Hardware lifecycle planning with FreeBSD support matrices
- Storage cost reduction via ZFS deduplication analysis
- Open-source toolchain eliminating vendor lock-in fees
10 / Capability
Observability & Reliability Engineering
- DTrace for real-time kernel and application tracing
- sysctl monitoring for system health metrics
- FreeBSD-specific Prometheus exporters (node_exporter, zfs_exporter)
- syslogd and newsyslog for centralized log management
- ZFS pool health monitoring (scrub status, error counts)
- pf state table and rule hit rate monitoring
- Proactive alerting on ZFS degradation and CARP state changes
11 / Capability
Migration Architecture
- Linux-to-FreeBSD migration planning and execution
- Jail-based application porting from Docker and containers
- ZFS data migration from ext4, XFS, and Btrfs
- Downtime minimization with ZFS send/recv cutover
- Linuxulator compatibility layer for transition periods
- rc.d service conversion from systemd units
- Validation and rollback via ZFS snapshots
12 / Capability
Governance & Operational Framework
- FreeBSD release tracking (RELEASE, STABLE, CURRENT)
- freebsd-update and security advisory management
- Change control via ZFS snapshots before modifications
- Documentation and runbook creation for FreeBSD operations
- Jail lifecycle governance (creation, update, decommission)
- Operational framework for ports and packages update cycles
We design FreeBSD-native cloud architecture built on jails for isolation, ZFS for resilient storage, bhyve for virtualization, and pf for network security.
From single-host deployments to multi-site platforms, we architect FreeBSD infrastructure that is resilient, performant, and financially sustainable.