Deployment Topology & Infrastructure

High-availability, globally distributed architecture engineered for sub-100ms latency, zero-trust security, and 99.99% uptime across all knowledge services.

● Operational Multi-Region Active-Active Kubernetes / EKS Terraform / GitOps
Edge & Ingress
🌐
Global CDN / WAF
Cloudflare/CloudFront, DDoS mitigation, SSL termination, edge caching
⚖️
Load Balancers
ALB/NLB, TLS offload, health checks, canary routing
Compute & Services
🔀
API Gateway
Auth, rate limiting, request routing, OpenAPI specs
🧠
AI/ML Pipeline
RAG inference, vector search, LLM orchestration, embedding services
📖
Content & Search
Elasticsearch, CMS microservices, media processing, version control
Data & Storage
🗄️
Primary Databases
PostgreSQL (metadata), MongoDB (articles), VectorDB (embeddings)
⚡
Caching Layer
Redis clusters, session store, API response cache, hot-path acceleration
📦
Object Storage
S3-compatible, immutable backups, media assets, audit logs
Observability & Security
📊
Monitoring
Prometheus, Grafana, OpenTelemetry, SLO tracking, alerting
🛡️
Zero-Trust Security
mTLS, RBAC, OPA policies, KMS encryption, audit trails

⚙️ Compute Architecture

  • OrchestrationKubernetes (EKS/GKE)
  • Container Runtimecontainerd / K3s (edge)
  • Scaling PolicyHPA / KEDA (event-driven)
  • CI/CDArgoCD / GitHub Actions
  • Service MeshIstio / Linkerd

💾 Data Strategy

  • RelationalPostgreSQL 15 (Patroni HA)
  • Document/ContentMongoDB 6 (Replica Sets)
  • Vector/EmbeddingsWeaviate / Pinecone
  • SearchElasticsearch 8
  • BackupCross-region immutable snapshots

🌍 Global Distribution

  • Primary RegionsUS-East, EU-West, APAC-South
  • RoutingGeoDNS + Anycast
  • Data SyncCDC (Change Data Capture)
  • Latency Target<80ms p95 global
  • CDN Coverage200+ PoPs worldwide

Infrastructure Performance & SLA

Metric Target Current (30d avg) Status
Availability (Core API) 99.99% 99.994% Healthy
Search Query Latency (p95) <120ms 94ms Healthy
AI Inference (RAG) <800ms 612ms Healthy
CDN Cache Hit Ratio >92% 94.7% Healthy
Disaster Recovery RTO/RPO 5min / 1min 3.2min / 0.8min Healthy

🔐 Security & Compliance

  • EncryptionAES-256 at rest, TLS 1.3 in transit
  • AuthOAuth2/OIDC, JWT, mFA, SCIM provisioning
  • NetworkVPC isolation, private endpoints, WAF rules
  • ComplianceSOC2 Type II, GDPR, CCPA, ISO 27001
  • AuditImmutable logs, SIEM integration, real-time alerts

🔄 Disaster Recovery

  • StrategyMulti-region Active-Active
  • FailoverAutomatic DNS + traffic shifting
  • Data ReplicationAsync CDC + snapshot sync
  • TestingQuarterly chaos engineering & drills
  • Backup Retention90 days standard, 7 years immutable