{
  "families": {
    "load_balancer": [
      {
        "name": "nginx",
        "preferred_for": [
          "url_shortener",
          "ecommerce_platform",
          "youtube_platform",
          "security_hardened_api"
        ],
        "tags": [
          "edge",
          "proxy",
          "open_source"
        ]
      },
      {
        "name": "haproxy",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "edge",
          "proxy",
          "open_source"
        ]
      },
      {
        "name": "envoy",
        "preferred_for": [
          "ride_sharing",
          "ml_platform",
          "data_pipeline"
        ],
        "tags": [
          "edge",
          "mesh",
          "proxy"
        ]
      }
    ],
    "api_gateway": [
      {
        "name": "kong",
        "preferred_for": [
          "url_shortener",
          "ecommerce_platform",
          "youtube_platform",
          "ride_sharing",
          "security_hardened_api"
        ],
        "tags": [
          "gateway",
          "rate_limit",
          "auth"
        ]
      },
      {
        "name": "aws_api_gw",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "gateway",
          "cloud",
          "serverless"
        ]
      },
      {
        "name": "apigee",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "gateway",
          "enterprise"
        ]
      }
    ],
    "waf": [
      {
        "name": "aws_waf",
        "preferred_for": [
          "security_hardened_api",
          "ecommerce_platform",
          "youtube_platform"
        ],
        "tags": [
          "security",
          "edge",
          "filter"
        ]
      },
      {
        "name": "cloudflare_waf",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "security",
          "edge",
          "cdn"
        ]
      }
    ],
    "cdn": [
      {
        "name": "cloudfront",
        "preferred_for": [
          "youtube_platform",
          "ecommerce_platform",
          "security_hardened_api"
        ],
        "tags": [
          "cdn",
          "cloud",
          "edge"
        ]
      },
      {
        "name": "cloudflare",
        "preferred_for": [
          "custom",
          "url_shortener"
        ],
        "tags": [
          "cdn",
          "edge",
          "waf"
        ]
      },
      {
        "name": "fastly",
        "preferred_for": [
          "youtube_platform",
          "custom"
        ],
        "tags": [
          "cdn",
          "edge",
          "streaming"
        ]
      }
    ],
    "database": [
      {
        "name": "postgres",
        "preferred_for": [
          "url_shortener",
          "chat_system",
          "ecommerce_platform",
          "ride_sharing",
          "ml_platform",
          "security_hardened_api"
        ],
        "tags": [
          "relational",
          "general_purpose",
          "open_source"
        ]
      },
      {
        "name": "mysql",
        "preferred_for": [
          "ecommerce_platform"
        ],
        "tags": [
          "relational",
          "general_purpose"
        ]
      },
      {
        "name": "cockroachdb",
        "preferred_for": [
          "ride_sharing",
          "custom"
        ],
        "tags": [
          "distributed",
          "geo",
          "strong_consistency"
        ]
      },
      {
        "name": "mongodb",
        "preferred_for": [
          "chat_system"
        ],
        "tags": [
          "document",
          "flexible_schema"
        ]
      },
      {
        "name": "cassandra",
        "preferred_for": [
          "youtube_platform",
          "ride_sharing",
          "data_pipeline"
        ],
        "tags": [
          "wide_column",
          "high_write",
          "distributed"
        ]
      }
    ],
    "graph_database": [
      {
        "name": "neo4j",
        "preferred_for": [
          "social_network",
          "custom"
        ],
        "tags": [
          "graph",
          "relationships",
          "recommendations"
        ]
      },
      {
        "name": "neptune",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "graph",
          "cloud",
          "managed"
        ]
      }
    ],
    "time_series_db": [
      {
        "name": "influxdb",
        "preferred_for": [
          "observability_stack",
          "iot_platform",
          "custom"
        ],
        "tags": [
          "time_series",
          "metrics",
          "iot"
        ]
      },
      {
        "name": "timestream",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "time_series",
          "cloud",
          "managed"
        ]
      }
    ],
    "data_warehouse": [
      {
        "name": "redshift",
        "preferred_for": [
          "data_pipeline",
          "custom"
        ],
        "tags": [
          "analytics",
          "columnar",
          "cloud"
        ]
      },
      {
        "name": "snowflake",
        "preferred_for": [
          "data_pipeline",
          "custom"
        ],
        "tags": [
          "analytics",
          "columnar",
          "multi_cloud"
        ]
      },
      {
        "name": "bigquery",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "analytics",
          "serverless",
          "cloud"
        ]
      }
    ],
    "cache": [
      {
        "name": "redis",
        "preferred_for": [
          "chat_system",
          "youtube_platform",
          "ecommerce_platform",
          "ride_sharing",
          "ml_platform",
          "security_hardened_api"
        ],
        "tags": [
          "cache",
          "pubsub",
          "geo",
          "open_source"
        ]
      },
      {
        "name": "memcached",
        "preferred_for": [
          "url_shortener",
          "ecommerce_platform"
        ],
        "tags": [
          "cache",
          "simple"
        ]
      }
    ],
    "broker": [
      {
        "name": "rabbitmq",
        "preferred_for": [
          "chat_system",
          "ecommerce_platform"
        ],
        "tags": [
          "fanout",
          "queue",
          "low_latency"
        ]
      },
      {
        "name": "nats",
        "preferred_for": [
          "chat_system",
          "custom"
        ],
        "tags": [
          "pubsub",
          "fanout",
          "low_latency"
        ]
      },
      {
        "name": "kafka",
        "preferred_for": [
          "youtube_platform",
          "ride_sharing",
          "ml_platform",
          "ecommerce_platform",
          "data_pipeline",
          "observability_stack"
        ],
        "tags": [
          "streaming",
          "high_throughput",
          "distributed"
        ]
      },
      {
        "name": "pulsar",
        "preferred_for": [
          "youtube_platform",
          "ride_sharing"
        ],
        "tags": [
          "streaming",
          "multi_tenant",
          "distributed"
        ]
      }
    ],
    "storage": [
      {
        "name": "s3",
        "preferred_for": [
          "youtube_platform",
          "ml_platform",
          "data_pipeline",
          "custom"
        ],
        "tags": [
          "object_storage",
          "cloud"
        ]
      },
      {
        "name": "minio",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "object_storage",
          "open_source"
        ]
      }
    ],
    "search": [
      {
        "name": "elasticsearch",
        "preferred_for": [
          "youtube_platform",
          "ecommerce_platform",
          "ride_sharing",
          "observability_stack",
          "custom"
        ],
        "tags": [
          "search",
          "index",
          "analytics"
        ]
      },
      {
        "name": "opensearch",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "search",
          "open_source"
        ]
      }
    ],
    "auth": [
      {
        "name": "keycloak",
        "preferred_for": [
          "chat_system",
          "youtube_platform",
          "ride_sharing",
          "ml_platform",
          "security_hardened_api",
          "custom"
        ],
        "tags": [
          "openid",
          "oauth2",
          "open_source"
        ]
      },
      {
        "name": "auth0",
        "preferred_for": [
          "url_shortener",
          "ecommerce_platform"
        ],
        "tags": [
          "managed",
          "oauth2"
        ]
      },
      {
        "name": "cognito",
        "preferred_for": [
          "aws_only"
        ],
        "tags": [
          "managed",
          "aws"
        ]
      }
    ],
    "iam": [
      {
        "name": "aws_iam",
        "preferred_for": [
          "security_hardened_api",
          "data_pipeline",
          "ml_platform"
        ],
        "tags": [
          "access_control",
          "policies",
          "cloud"
        ]
      },
      {
        "name": "okta",
        "preferred_for": [
          "security_hardened_api",
          "custom"
        ],
        "tags": [
          "sso",
          "enterprise",
          "saml"
        ]
      }
    ],
    "secrets_manager": [
      {
        "name": "vault",
        "preferred_for": [
          "security_hardened_api",
          "ml_platform",
          "data_pipeline"
        ],
        "tags": [
          "secrets",
          "kms",
          "open_source"
        ]
      },
      {
        "name": "aws_kms",
        "preferred_for": [
          "security_hardened_api",
          "custom"
        ],
        "tags": [
          "kms",
          "cloud",
          "fips"
        ]
      }
    ],
    "observability": [
      {
        "name": "prometheus",
        "preferred_for": [
          "url_shortener",
          "chat_system",
          "youtube_platform",
          "ride_sharing",
          "ml_platform",
          "observability_stack",
          "custom"
        ],
        "tags": [
          "metrics",
          "open_source"
        ]
      },
      {
        "name": "grafana",
        "preferred_for": [
          "url_shortener",
          "chat_system",
          "youtube_platform",
          "ride_sharing",
          "ml_platform",
          "observability_stack",
          "custom"
        ],
        "tags": [
          "dashboards",
          "open_source"
        ]
      },
      {
        "name": "opentelemetry",
        "preferred_for": [
          "observability_stack",
          "custom"
        ],
        "tags": [
          "tracing",
          "open_standard"
        ]
      }
    ],
    "logging": [
      {
        "name": "elasticsearch_logs",
        "preferred_for": [
          "observability_stack",
          "custom"
        ],
        "tags": [
          "logs",
          "elk",
          "search"
        ]
      },
      {
        "name": "splunk",
        "preferred_for": [
          "security_hardened_api",
          "custom"
        ],
        "tags": [
          "logs",
          "siem",
          "enterprise"
        ]
      },
      {
        "name": "fluentd",
        "preferred_for": [
          "observability_stack",
          "custom"
        ],
        "tags": [
          "logs",
          "aggregator",
          "open_source"
        ]
      }
    ],
    "tracing": [
      {
        "name": "jaeger",
        "preferred_for": [
          "observability_stack",
          "ride_sharing",
          "ml_platform",
          "custom"
        ],
        "tags": [
          "distributed_tracing",
          "open_source"
        ]
      },
      {
        "name": "zipkin",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "distributed_tracing",
          "open_source"
        ]
      },
      {
        "name": "aws_xray",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "tracing",
          "cloud",
          "managed"
        ]
      }
    ],
    "alerting": [
      {
        "name": "pagerduty",
        "preferred_for": [
          "observability_stack",
          "security_hardened_api",
          "custom"
        ],
        "tags": [
          "alerts",
          "oncall",
          "incident"
        ]
      },
      {
        "name": "opsgenie",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "alerts",
          "oncall"
        ]
      }
    ],
    "circuit_breaker": [
      {
        "name": "resilience4j",
        "preferred_for": [
          "ride_sharing",
          "ecommerce_platform",
          "custom"
        ],
        "tags": [
          "reliability",
          "failfast",
          "open_source"
        ]
      },
      {
        "name": "hystrix",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "reliability",
          "failfast"
        ]
      }
    ],
    "rate_limiting": [
      {
        "name": "kong",
        "preferred_for": [
          "url_shortener",
          "ecommerce_platform",
          "youtube_platform",
          "ride_sharing",
          "security_hardened_api"
        ],
        "tags": [
          "gateway",
          "rate_limit"
        ]
      },
      {
        "name": "api_gateway",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "gateway",
          "cloud"
        ]
      }
    ],
    "stream_processor": [
      {
        "name": "flink",
        "preferred_for": [
          "data_pipeline",
          "observability_stack"
        ],
        "tags": [
          "stream",
          "stateful",
          "low_latency"
        ]
      },
      {
        "name": "spark_streaming",
        "preferred_for": [
          "data_pipeline",
          "ml_platform"
        ],
        "tags": [
          "batch",
          "stream",
          "ml"
        ]
      }
    ],
    "etl_orchestrator": [
      {
        "name": "airflow",
        "preferred_for": [
          "data_pipeline",
          "ml_platform"
        ],
        "tags": [
          "workflow",
          "batch",
          "scheduling"
        ]
      },
      {
        "name": "prefect",
        "preferred_for": [
          "data_pipeline",
          "custom"
        ],
        "tags": [
          "workflow",
          "python",
          "modern"
        ]
      }
    ],
    "serverless": [
      {
        "name": "lambda",
        "preferred_for": [
          "url_shortener",
          "security_hardened_api",
          "custom"
        ],
        "tags": [
          "faas",
          "event_driven",
          "cloud"
        ]
      },
      {
        "name": "cloud_functions",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "faas",
          "cloud"
        ]
      }
    ],
    "notification_service": [
      {
        "name": "sendgrid",
        "preferred_for": [
          "chat_system",
          "ecommerce_platform",
          "youtube_platform",
          "custom"
        ],
        "tags": [
          "email"
        ]
      },
      {
        "name": "twilio",
        "preferred_for": [
          "ride_sharing",
          "custom"
        ],
        "tags": [
          "sms"
        ]
      },
      {
        "name": "fcm",
        "preferred_for": [
          "chat_system",
          "custom"
        ],
        "tags": [
          "push"
        ]
      }
    ],
    "payment_gateway": [
      {
        "name": "stripe",
        "preferred_for": [
          "ecommerce_platform",
          "ride_sharing",
          "custom"
        ],
        "tags": [
          "payments"
        ]
      },
      {
        "name": "paypal",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "payments"
        ]
      }
    ],
    "geospatial_index": [
      {
        "name": "postgis",
        "preferred_for": [
          "ride_sharing"
        ],
        "tags": [
          "geo",
          "postgres"
        ]
      },
      {
        "name": "redis_geo",
        "preferred_for": [
          "custom"
        ],
        "tags": [
          "geo",
          "cache"
        ]
      }
    ],
    "feature_store": [
      {
        "name": "feast",
        "preferred_for": [
          "ml_platform"
        ],
        "tags": [
          "ml"
        ]
      },
      {
        "name": "hopsworks",
        "preferred_for": [
          "ml_platform"
        ],
        "tags": [
          "ml"
        ]
      }
    ],
    "model_registry": [
      {
        "name": "mlflow",
        "preferred_for": [
          "ml_platform"
        ],
        "tags": [
          "ml"
        ]
      },
      {
        "name": "wandb",
        "preferred_for": [
          "ml_platform"
        ],
        "tags": [
          "ml",
          "experiment"
        ]
      }
    ],
    "inference_server": [
      {
        "name": "triton",
        "preferred_for": [
          "ml_platform"
        ],
        "tags": [
          "ml",
          "gpu"
        ]
      },
      {
        "name": "torchserve",
        "preferred_for": [
          "ml_platform"
        ],
        "tags": [
          "ml"
        ]
      }
    ],
    "worker": [
      {
        "name": "worker",
        "preferred_for": [
          "chat_system",
          "ecommerce_platform",
          "ride_sharing",
          "data_pipeline",
          "custom"
        ],
        "tags": [
          "async"
        ]
      }
    ],
    "transcoder_worker": [
      {
        "name": "transcoder_worker",
        "preferred_for": [
          "youtube_platform"
        ],
        "tags": [
          "media"
        ]
      }
    ],
    "recommendation_worker": [
      {
        "name": "recommendation_worker",
        "preferred_for": [
          "youtube_platform",
          "custom"
        ],
        "tags": [
          "ml",
          "ranking"
        ]
      }
    ],
    "presence_service": [
      {
        "name": "presence_service",
        "preferred_for": [
          "chat_system"
        ],
        "tags": [
          "realtime"
        ]
      }
    ],
    "metadata_service": [
      {
        "name": "metadata_service",
        "preferred_for": [
          "youtube_platform"
        ],
        "tags": [
          "media"
        ]
      }
    ],
    "websocket_gateway": [
      {
        "name": "centrifugo",
        "preferred_for": [
          "chat_system"
        ],
        "tags": [
          "realtime",
          "fanout"
        ]
      },
      {
        "name": "socket.io",
        "preferred_for": [
          "ride_sharing"
        ],
        "tags": [
          "realtime"
        ]
      }
    ]
  }
}