• High availability
    • High availability cluster
      • redundant, eliminate single points do failure
      • Heartbeat, monitor the healthy and status of each node in the cluster.
      • node configuration:
        • active / active
        • active / passive
        • N + 1
      • failover strategies
  • High reliability
    • availability
      • service high availability
      • Database high availability
    • backup
      • backup everyday
    • Data recovery
      • disaster recovery planning
  • privacy
    • data masking
  • Security
  • Resilience
  • Safety