# contextual > A principle that applies only to the systems its Mandatory for field names, such as distributed systems. Record: `vocabulary:severity-contextual` Kind: severity Canonical: https://banes-lab.com/ontology/schema#vocabulary-severity-contextual Listed in [Controlled vocabularies](https://banes-lab.com/api/records/vocabulary.md), after [recommended](https://banes-lab.com/records/vocabulary/severity-recommended.md) and before [discouraged](https://banes-lab.com/records/vocabulary/severity-discouraged.md). ## Severity of - [Domain-Driven Design (DDD)](https://banes-lab.com/records/architecture/domain-driven-design.md) - [Domain Model](https://banes-lab.com/records/architecture/domain-model.md) - [Aggregate](https://banes-lab.com/records/architecture/aggregate.md) - [Entity](https://banes-lab.com/records/architecture/entity.md) - [Domain Service](https://banes-lab.com/records/architecture/domain-service.md) - [Runtime Discovery](https://banes-lab.com/records/architecture/runtime-discovery.md) - [Service Discovery](https://banes-lab.com/records/architecture/service-discovery.md) - [Dynamic Binding](https://banes-lab.com/records/architecture/dynamic-binding.md) - [Runtime Extensibility](https://banes-lab.com/records/architecture/runtime-extensibility.md) - [Causality](https://banes-lab.com/records/architecture/causality.md) - [Causal Consistency](https://banes-lab.com/records/architecture/causal-consistency.md) - [Happens-Before Relationship](https://banes-lab.com/records/architecture/happens-before-relationship.md) - [Event Ordering](https://banes-lab.com/records/architecture/event-ordering.md) - [Directed Acyclic Graph (DAG)](https://banes-lab.com/records/architecture/directed-acyclic-graph.md) - [Vector Clocks](https://banes-lab.com/records/architecture/vector-clocks.md) - [Lamport Clocks](https://banes-lab.com/records/architecture/lamport-clocks.md) - [Hybrid Logical Clocks](https://banes-lab.com/records/architecture/hybrid-logical-clocks.md) - [CRDTs](https://banes-lab.com/records/architecture/crdts.md) - [Total-Order Broadcast](https://banes-lab.com/records/architecture/total-order-broadcast.md) - [CAP Theorem](https://banes-lab.com/records/architecture/cap-theorem.md) - [PACELC Theorem](https://banes-lab.com/records/architecture/pacelc-theorem.md) - [Control Plane](https://banes-lab.com/records/architecture/control-plane.md) - [Orchestration](https://banes-lab.com/records/architecture/orchestration.md) - [Centralized Configuration](https://banes-lab.com/records/architecture/centralized-configuration.md) - [Decentralization](https://banes-lab.com/records/architecture/decentralization.md) - [Leader Election](https://banes-lab.com/records/architecture/leader-election.md) - [Consensus](https://banes-lab.com/records/architecture/consensus.md) - [Choreography](https://banes-lab.com/records/architecture/choreography.md) - [Referential Transparency](https://banes-lab.com/records/architecture/referential-transparency.md) - [Formal Verification](https://banes-lab.com/records/architecture/formal-verification.md) - [Portability](https://banes-lab.com/records/architecture/portability.md) - [Platform Independence](https://banes-lab.com/records/architecture/platform-independence.md) - [Containerization](https://banes-lab.com/records/architecture/containerization.md) - [Infrastructure as Code](https://banes-lab.com/records/architecture/infrastructure-as-code.md) - [Standards Compliance](https://banes-lab.com/records/architecture/standards-compliance.md) - [Immutable Infrastructure](https://banes-lab.com/records/architecture/immutable-infrastructure.md) - [Autonomy](https://banes-lab.com/records/architecture/autonomy.md) - [Event-Driven Architecture](https://banes-lab.com/records/architecture/event-driven-architecture.md) - [Publish/Subscribe Pattern](https://banes-lab.com/records/architecture/publish-subscribe-pattern.md) - [Message Queue](https://banes-lab.com/records/architecture/message-queue.md) - [Message Broker](https://banes-lab.com/records/architecture/message-broker.md) - [Event Bus](https://banes-lab.com/records/architecture/event-bus.md) - [Event Stream](https://banes-lab.com/records/architecture/event-stream.md) - [Event Sourcing](https://banes-lab.com/records/architecture/event-sourcing.md) - [CQRS](https://banes-lab.com/records/architecture/command-query-responsibility-segregation.md) - [Asynchronous Communication](https://banes-lab.com/records/architecture/asynchronous-communication.md) - [Eventual Consistency](https://banes-lab.com/records/architecture/eventual-consistency.md) - [Saga Pattern](https://banes-lab.com/records/architecture/saga-pattern.md) - [Compensating Transaction](https://banes-lab.com/records/architecture/compensating-transaction.md) - [Append-Only Log](https://banes-lab.com/records/architecture/append-only-log.md) - [Dead-Letter Queue](https://banes-lab.com/records/architecture/dead-letter-queue.md) - [Idempotent Consumer](https://banes-lab.com/records/architecture/idempotent-consumer.md) - [Competing Consumers](https://banes-lab.com/records/architecture/competing-consumers.md) - [Fault Tolerance](https://banes-lab.com/records/architecture/fault-tolerance.md) - [Resilience](https://banes-lab.com/records/architecture/resilience.md) - [Robustness Principle](https://banes-lab.com/records/architecture/robustness-principle.md) - [Fallback Pattern](https://banes-lab.com/records/architecture/fallback-pattern.md) - [Retry Pattern](https://banes-lab.com/records/architecture/retry-pattern.md) - [Circuit Breaker Pattern](https://banes-lab.com/records/architecture/circuit-breaker-pattern.md) - [Bulkhead Pattern](https://banes-lab.com/records/architecture/bulkhead-pattern.md) - [Backpressure](https://banes-lab.com/records/architecture/backpressure.md) - [Gap Analysis](https://banes-lab.com/records/architecture/gap-analysis.md) - [Evolutionary Architecture](https://banes-lab.com/records/architecture/evolutionary-architecture.md) - [Minimum Viable Architecture](https://banes-lab.com/records/architecture/minimum-viable-architecture.md) - [Greenfield Development](https://banes-lab.com/records/architecture/greenfield-development.md) - [Reference Architecture](https://banes-lab.com/records/architecture/reference-architecture.md) - [Standardization](https://banes-lab.com/records/architecture/standardization.md) - [Self-Describing Architecture](https://banes-lab.com/records/architecture/self-describing-architecture.md) - [Self-Describing Structures](https://banes-lab.com/records/architecture/self-describing-structures.md) - [Metadata-Driven Design](https://banes-lab.com/records/architecture/metadata-driven-design.md) - [Convention over Configuration](https://banes-lab.com/records/architecture/convention-over-configuration.md) - [Manifest-Based Design](https://banes-lab.com/records/architecture/manifest-based-design.md) - [Homoiconicity](https://banes-lab.com/records/architecture/homoiconicity.md) - [Code as Data](https://banes-lab.com/records/architecture/code-as-data.md) - [Metaprogramming](https://banes-lab.com/records/architecture/metaprogramming.md) - [Reflection](https://banes-lab.com/records/architecture/reflection.md) - [Introspection](https://banes-lab.com/records/architecture/introspection.md) - [Compile-Time Evaluation](https://banes-lab.com/records/architecture/compile-time-evaluation.md) - [Domain-Specific Language (DSL)](https://banes-lab.com/records/architecture/domain-specific-language.md) - [Language-Oriented Programming](https://banes-lab.com/records/architecture/language-oriented-programming.md) - [Model-Driven Architecture](https://banes-lab.com/records/architecture/model-driven-architecture.md) - [Artificial Intelligence Architecture](https://banes-lab.com/records/architecture/artificial-intelligence-architecture.md) - [Machine Learning Architecture](https://banes-lab.com/records/architecture/machine-learning-architecture.md) - [Model Governance](https://banes-lab.com/records/architecture/model-governance.md) - [Model Inference](https://banes-lab.com/records/architecture/model-inference.md) - [Retrieval-Augmented Generation (RAG)](https://banes-lab.com/records/architecture/retrieval-augmented-generation.md) - [Vector Search](https://banes-lab.com/records/architecture/vector-search.md) - [Knowledge Graphs](https://banes-lab.com/records/architecture/knowledge-graphs.md) - [Explainability](https://banes-lab.com/records/architecture/explainability.md) - [Model Safety](https://banes-lab.com/records/architecture/model-safety.md) - [Prompt Engineering](https://banes-lab.com/records/architecture/prompt-engineering.md) - [Model Drift Monitoring](https://banes-lab.com/records/architecture/model-drift-monitoring.md) - [Agentic Architecture](https://banes-lab.com/records/architecture/agentic-architecture.md) - [Observability](https://banes-lab.com/records/architecture/observability.md) - [Auditability](https://banes-lab.com/records/architecture/auditability.md) - [Audit Logging](https://banes-lab.com/records/architecture/audit-logging.md) - [Correlation ID](https://banes-lab.com/records/architecture/correlation-id.md) - [Distributed Tracing](https://banes-lab.com/records/architecture/distributed-tracing.md) - [SLO/SLI](https://banes-lab.com/records/architecture/slo-sli.md) - [Template Method Pattern](https://banes-lab.com/records/architecture/template-method-pattern.md) - [Mediator Pattern](https://banes-lab.com/records/architecture/mediator-pattern.md) - [Iterator Pattern](https://banes-lab.com/records/architecture/iterator-pattern.md) - [Visitor Pattern](https://banes-lab.com/records/architecture/visitor-pattern.md) - [Memento Pattern](https://banes-lab.com/records/architecture/memento-pattern.md) - [Null Object Pattern](https://banes-lab.com/records/architecture/null-object-pattern.md) - [Statecharts](https://banes-lab.com/records/architecture/statecharts.md) - [Factory Method Pattern](https://banes-lab.com/records/architecture/factory-method-pattern.md) - [Abstract Factory Pattern](https://banes-lab.com/records/architecture/abstract-factory-pattern.md) - [Prototype Pattern](https://banes-lab.com/records/architecture/prototype-pattern.md) - [Proxy Pattern](https://banes-lab.com/records/architecture/proxy-pattern.md) - [Bridge Pattern](https://banes-lab.com/records/architecture/bridge-pattern.md) - [Decorator Pattern](https://banes-lab.com/records/architecture/decorator-pattern.md) - [Flyweight Pattern](https://banes-lab.com/records/architecture/flyweight-pattern.md) - [Scalability](https://banes-lab.com/records/architecture/scalability.md) - [Horizontal Scaling](https://banes-lab.com/records/architecture/horizontal-scaling.md) - [Vertical Scaling](https://banes-lab.com/records/architecture/vertical-scaling.md) - [Elasticity](https://banes-lab.com/records/architecture/elasticity.md) - [Load Balancing](https://banes-lab.com/records/architecture/load-balancing.md) - [Sharding](https://banes-lab.com/records/architecture/sharding.md) - [Partitioning](https://banes-lab.com/records/architecture/partitioning.md) - [Caching](https://banes-lab.com/records/architecture/caching.md) - [Concurrency](https://banes-lab.com/records/architecture/concurrency.md) - [Parallelism](https://banes-lab.com/records/architecture/parallelism.md) - [Throughput](https://banes-lab.com/records/architecture/throughput.md) - [Latency](https://banes-lab.com/records/architecture/latency.md) - [Algorithmic Efficiency](https://banes-lab.com/records/architecture/algorithmic-efficiency.md) - [Time Complexity](https://banes-lab.com/records/architecture/time-complexity.md) - [Space Complexity](https://banes-lab.com/records/architecture/space-complexity.md) - [Big O Notation](https://banes-lab.com/records/architecture/big-o-notation.md) - [Optimization](https://banes-lab.com/records/architecture/optimization.md) - [Resource Utilization](https://banes-lab.com/records/architecture/resource-utilization.md) - [Rate Limiting](https://banes-lab.com/records/architecture/rate-limiting.md) - [Memory Efficiency](https://banes-lab.com/records/architecture/memory-efficiency.md) - [CDN / Edge Caching](https://banes-lab.com/records/architecture/cdn-edge-caching.md) - [Read Replica](https://banes-lab.com/records/architecture/read-replica.md) - [Queuing Theory](https://banes-lab.com/records/architecture/queuing-theory.md) - [Streaming Architecture](https://banes-lab.com/records/architecture/streaming-architecture.md) - [Single-Pass Processing](https://banes-lab.com/records/architecture/single-pass-processing.md) - [Lazy Evaluation](https://banes-lab.com/records/architecture/lazy-evaluation.md) - [Sequential Access](https://banes-lab.com/records/architecture/sequential-access.md) - [Forward-Only Processing](https://banes-lab.com/records/architecture/forward-only-processing.md) - [Dataflow Architecture](https://banes-lab.com/records/architecture/dataflow-architecture.md) - [Windowing](https://banes-lab.com/records/architecture/windowing.md) - [Fan-out/Fan-in](https://banes-lab.com/records/architecture/fan-out-fan-in.md) - [Batch-vs-Stream](https://banes-lab.com/records/architecture/batch-vs-stream.md) - [Plugin Architecture](https://banes-lab.com/records/architecture/plugin-architecture.md) - [Service Registry](https://banes-lab.com/records/architecture/service-registry.md) - [Registry Pattern](https://banes-lab.com/records/architecture/registry-pattern.md) - [Feature Toggle](https://banes-lab.com/records/architecture/feature-toggle.md) - [Self-Healing Architecture](https://banes-lab.com/records/architecture/self-healing-architecture.md) - [Health Checks](https://banes-lab.com/records/architecture/health-checks.md) - [Failover](https://banes-lab.com/records/architecture/failover.md) - [Redundancy](https://banes-lab.com/records/architecture/redundancy.md) - [Replication](https://banes-lab.com/records/architecture/replication.md) - [Auto-Scaling](https://banes-lab.com/records/architecture/auto-scaling.md) - [Auto-Remediation](https://banes-lab.com/records/architecture/auto-remediation.md) - [Blue-Green Deployment](https://banes-lab.com/records/architecture/blue-green-deployment.md) - [Canary Deployment](https://banes-lab.com/records/architecture/canary-deployment.md) - [Chaos Engineering](https://banes-lab.com/records/architecture/chaos-engineering.md) - [Graceful Shutdown](https://banes-lab.com/records/architecture/graceful-shutdown.md) - [RAID Redundancy](https://banes-lab.com/records/architecture/raid-redundancy.md) - [Canonical Model](https://banes-lab.com/records/architecture/canonical-model.md) - [Canonical Data Model](https://banes-lab.com/records/architecture/canonical-data-model.md) - [Normalization](https://banes-lab.com/records/architecture/normalization.md) - [Zero Trust Architecture](https://banes-lab.com/records/architecture/zero-trust-architecture.md) - [Threat Modeling](https://banes-lab.com/records/architecture/threat-modeling.md) - [RBAC](https://banes-lab.com/records/architecture/role-based-access-control.md) - [ABAC](https://banes-lab.com/records/architecture/attribute-based-access-control.md) - [Encryption at Rest](https://banes-lab.com/records/architecture/encryption-at-rest.md) - [Privacy by Design](https://banes-lab.com/records/architecture/privacy-by-design.md) - [Compliance](https://banes-lab.com/records/architecture/compliance.md) - [Governance](https://banes-lab.com/records/architecture/governance.md) - [Risk Management](https://banes-lab.com/records/architecture/risk-management.md) - [Continuous Compliance](https://banes-lab.com/records/architecture/continuous-compliance.md) - [CSRF Protection](https://banes-lab.com/records/architecture/csrf-protection.md) - [Session Management](https://banes-lab.com/records/architecture/session-management.md) - [Layered Architecture](https://banes-lab.com/records/architecture/layered-architecture.md) - [Microservices](https://banes-lab.com/records/architecture/microservices.md) - [Monolith Architecture](https://banes-lab.com/records/architecture/monolith-architecture.md) - [Service-Oriented Architecture](https://banes-lab.com/records/architecture/service-oriented-architecture.md) - [Space-Based Architecture](https://banes-lab.com/records/architecture/space-based-architecture.md) - [Write Barrier](https://banes-lab.com/records/architecture/write-barrier.md) - [Derived Party Count](https://banes-lab.com/records/architecture/derived-party-count.md) - [Fan-In Ceiling](https://banes-lab.com/records/architecture/fan-in-ceiling.md) - [Layer Spine Precedence](https://banes-lab.com/records/architecture/layer-spine-precedence.md) - [Case Dialect](https://banes-lab.com/records/architecture/case-dialect.md) - [ACID](https://banes-lab.com/records/architecture/acid.md) - [Isolation](https://banes-lab.com/records/architecture/isolation.md) - [Optimistic Locking](https://banes-lab.com/records/architecture/optimistic-locking.md) - [Pessimistic Locking](https://banes-lab.com/records/architecture/pessimistic-locking.md) - [Petri Nets](https://banes-lab.com/records/architecture/petri-nets.md) ## Linked from - [Domain Architecture](https://banes-lab.com/ontology/principles/architecture-category-domain-architecture.md) - [Runtime Discovery / Dynamic Binding](https://banes-lab.com/ontology/principles/architecture-category-runtime-discovery-dynamic-binding.md) - [Causality / Ordering / Distributed Time](https://banes-lab.com/ontology/principles/architecture-category-causality-ordering-distributed-time.md) - [Control / Coordination / Centralization](https://banes-lab.com/ontology/principles/architecture-category-control-coordination-centralization.md) - [Correctness / Determinism / Verification](https://banes-lab.com/ontology/principles/architecture-category-correctness-determinism-verification.md) - [Portability / Infrastructure / Deployment](https://banes-lab.com/ontology/principles/architecture-category-portability-infrastructure-deployment.md) - [Core Modular Design](https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md) - [Event / Messaging / Asynchronous Architecture](https://banes-lab.com/ontology/principles/architecture-category-event-messaging-asynchronous-architecture.md) - [Error Handling / Resilience](https://banes-lab.com/ontology/principles/architecture-category-error-handling-resilience.md) - [Architecture Review / Evolution / Governance Artifacts](https://banes-lab.com/ontology/principles/architecture-category-architecture-review-evolution-governance-artifacts.md) - [Metadata / Self-Description / Declarative Systems](https://banes-lab.com/ontology/principles/architecture-category-metadata-self-description-declarative-systems.md) - [Metaprogramming / Language-Oriented Architecture](https://banes-lab.com/ontology/principles/architecture-category-metaprogramming-language-oriented-architecture.md) - [Model Architecture](https://banes-lab.com/ontology/principles/architecture-category-model-architecture.md) - [Observability / Auditability / Traceability](https://banes-lab.com/ontology/principles/architecture-category-observability-auditability-traceability.md) - [Behavioral Patterns](https://banes-lab.com/ontology/principles/architecture-category-behavioral-patterns.md) - [Creational Patterns](https://banes-lab.com/ontology/principles/architecture-category-creational-patterns.md) - [Structural Patterns](https://banes-lab.com/ontology/principles/architecture-category-structural-patterns.md) - [Scalability / Performance / Optimization](https://banes-lab.com/ontology/principles/architecture-category-scalability-performance-optimization.md) - [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/ontology/principles/architecture-category-streaming-pipeline-dataflow-processing.md) - [Plugin / Extensibility / IoC](https://banes-lab.com/ontology/principles/architecture-category-plugin-extensibility-ioc.md) - [Self-Healing / Recovery / Deployment Safety](https://banes-lab.com/ontology/principles/architecture-category-self-healing-recovery-deployment-safety.md) - [Schema / Canonical Data / Semantics](https://banes-lab.com/ontology/principles/architecture-category-schema-canonical-data-semantics.md) - [Security / Privacy / Compliance / Governance](https://banes-lab.com/ontology/principles/architecture-category-security-privacy-compliance-governance.md) - [Codebase / System Architecture Styles](https://banes-lab.com/ontology/principles/architecture-category-codebase-system-architecture-styles.md) - [Coordination Surfaces](https://banes-lab.com/ontology/principles/architecture-category-coordination-surfaces.md) - [Taxonomy / Classification / Naming](https://banes-lab.com/ontology/principles/architecture-category-taxonomy-classification-naming.md) - [Transactions / State / Concurrency](https://banes-lab.com/ontology/principles/architecture-category-transactions-state-concurrency.md)