Cloud Platform Reference Data
type: Ontology
license: http://creativecommons.org/licenses/by/4.0/
preferred namespace prefix: cpref
created: 2026-05-03
version info: 0.1.0

Cloud Platform Reference Data
type: ConceptScheme
has top concept: Resilience Levels
has top concept: Deployment Strategies
has top concept: Service Tiers
has top concept: Database Engines

Resilience Levels
type: Concept
top concept of: Cloud Platform Reference Data
in scheme: Cloud Platform Reference Data

Critical
type: Concept
broader: Resilience Levels
in scheme: Cloud Platform Reference Data
definition: System failure causes immediate revenue loss or safety risk.

High
type: Concept
broader: Resilience Levels
in scheme: Cloud Platform Reference Data
definition: System failure causes significant business disruption within hours.

Medium
type: Concept
broader: Resilience Levels
in scheme: Cloud Platform Reference Data
definition: System failure causes moderate impact, workarounds available.

Low
type: Concept
broader: Resilience Levels
in scheme: Cloud Platform Reference Data
definition: System failure has minimal business impact.

Deployment Strategies
type: Concept
top concept of: Cloud Platform Reference Data
in scheme: Cloud Platform Reference Data

Blue-Green
type: Concept
broader: Deployment Strategies
in scheme: Cloud Platform Reference Data
definition: Two identical environments; traffic switches instantly.

Canary
type: Concept
broader: Deployment Strategies
in scheme: Cloud Platform Reference Data
definition: Gradual rollout to a subset of users before full deployment.

Rolling
type: Concept
broader: Deployment Strategies
in scheme: Cloud Platform Reference Data
definition: Instances updated one at a time with zero downtime.

Recreate
type: Concept
broader: Deployment Strategies
in scheme: Cloud Platform Reference Data
definition: All instances terminated and recreated (brief downtime).

Service Tiers
type: Concept
top concept of: Cloud Platform Reference Data
in scheme: Cloud Platform Reference Data

Tier 1 (99.99%)
type: Concept
broader: Service Tiers
in scheme: Cloud Platform Reference Data
definition: Mission-critical: 99.99% uptime SLA, < 5min recovery.

Tier 2 (99.9%)
type: Concept
broader: Service Tiers
in scheme: Cloud Platform Reference Data
definition: Business-critical: 99.9% uptime SLA, < 1hr recovery.

Tier 3 (99%)
type: Concept
broader: Service Tiers
in scheme: Cloud Platform Reference Data
definition: Operational: 99% uptime SLA, < 4hr recovery.

Database Engines
type: Concept
top concept of: Cloud Platform Reference Data
in scheme: Cloud Platform Reference Data

PostgreSQL
type: Concept
broader: Database Engines
in scheme: Cloud Platform Reference Data

MySQL
type: Concept
broader: Database Engines
in scheme: Cloud Platform Reference Data

MongoDB
type: Concept
broader: Database Engines
in scheme: Cloud Platform Reference Data

Redis
type: Concept
broader: Database Engines
in scheme: Cloud Platform Reference Data