{
  "code": null,
  "collection": "architecture",
  "href": "https://banes-lab.com/ontology#architecture-eventual-consistency",
  "id": "eventual-consistency",
  "kind": "model",
  "layer": {
    "href": "https://banes-lab.com/ontology/schema#layer-execution-core",
    "json": "https://banes-lab.com/json/records/layer/execution-core",
    "label": "Execution Core",
    "markdown": "https://banes-lab.com/records/layer/execution-core.md",
    "ref": "layer:execution-core"
  },
  "name": "Eventual Consistency",
  "ref": "architecture:eventual-consistency",
  "relations": [
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-idempotency",
          "json": "https://banes-lab.com/json/records/architecture/idempotency",
          "label": "Idempotency",
          "markdown": "https://banes-lab.com/records/architecture/idempotency.md",
          "ref": "architecture:idempotency"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-retry-pattern",
          "json": "https://banes-lab.com/json/records/architecture/retry-pattern",
          "label": "Retry Pattern",
          "markdown": "https://banes-lab.com/records/architecture/retry-pattern.md",
          "ref": "architecture:retry-pattern"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-reconciliation",
          "json": "https://banes-lab.com/json/records/lexicon/reconciliation",
          "label": "Reconciliation",
          "markdown": "https://banes-lab.com/records/lexicon/reconciliation.md",
          "ref": "lexicon:reconciliation"
        }
      ],
      "relation": "requires"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-availability",
          "json": "https://banes-lab.com/json/records/lexicon/availability",
          "label": "Availability",
          "markdown": "https://banes-lab.com/records/lexicon/availability.md",
          "ref": "lexicon:availability"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-scalability",
          "json": "https://banes-lab.com/json/records/architecture/scalability",
          "label": "Scalability",
          "markdown": "https://banes-lab.com/records/architecture/scalability.md",
          "ref": "architecture:scalability"
        }
      ],
      "relation": "reinforces"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-distributed-autonomy",
          "json": "https://banes-lab.com/json/records/lexicon/distributed-autonomy",
          "label": "Distributed Autonomy",
          "markdown": "https://banes-lab.com/records/lexicon/distributed-autonomy.md",
          "ref": "lexicon:distributed-autonomy"
        }
      ],
      "relation": "enables"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-user-expectations",
          "json": "https://banes-lab.com/json/records/lexicon/user-expectations",
          "label": "User Expectations",
          "markdown": "https://banes-lab.com/records/lexicon/user-expectations.md",
          "ref": "lexicon:user-expectations"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-strong-immediate-consistency",
          "json": "https://banes-lab.com/json/records/lexicon/strong-immediate-consistency",
          "label": "Strong Immediate Consistency",
          "markdown": "https://banes-lab.com/records/lexicon/strong-immediate-consistency.md",
          "ref": "lexicon:strong-immediate-consistency"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-command-query-responsibility-segregation",
          "json": "https://banes-lab.com/json/records/architecture/command-query-responsibility-segregation",
          "label": "Command Query Responsibility Segregation",
          "markdown": "https://banes-lab.com/records/architecture/command-query-responsibility-segregation.md",
          "ref": "architecture:command-query-responsibility-segregation"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#tension-command-query-responsibility-segregation-cqrs-eventual-consistency",
          "json": "https://banes-lab.com/json/records/tension/command-query-responsibility-segregation-cqrs-eventual-consistency",
          "label": "Command Query Responsibility Segregation (CQRS) / Eventual Consistency",
          "markdown": "https://banes-lab.com/records/tension/command-query-responsibility-segregation-cqrs-eventual-consistency.md",
          "ref": "tension:command-query-responsibility-segregation-cqrs-eventual-consistency"
        }
      ],
      "relation": "tensions-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#tension-eventual-consistency-user-expectations",
          "json": "https://banes-lab.com/json/records/tension/eventual-consistency-user-expectations",
          "label": "Eventual Consistency / User Expectations",
          "markdown": "https://banes-lab.com/records/tension/eventual-consistency-user-expectations.md",
          "ref": "tension:eventual-consistency-user-expectations"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#tension-eventual-consistency-strong-immediate-consistency",
          "json": "https://banes-lab.com/json/records/tension/eventual-consistency-strong-immediate-consistency",
          "label": "Eventual Consistency / Strong Immediate Consistency",
          "markdown": "https://banes-lab.com/records/tension/eventual-consistency-strong-immediate-consistency.md",
          "ref": "tension:eventual-consistency-strong-immediate-consistency"
        }
      ],
      "relation": "tensions"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-global-acid-transaction",
          "json": "https://banes-lab.com/json/records/lexicon/global-acid-transaction",
          "label": "Global ACID Transaction",
          "markdown": "https://banes-lab.com/records/lexicon/global-acid-transaction.md",
          "ref": "lexicon:global-acid-transaction"
        }
      ],
      "relation": "violated-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-query-projection",
          "json": "https://banes-lab.com/json/records/lexicon/query-projection",
          "label": "Query Projection",
          "markdown": "https://banes-lab.com/records/lexicon/query-projection.md",
          "ref": "lexicon:query-projection"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-reconciliation-job",
          "json": "https://banes-lab.com/json/records/lexicon/reconciliation-job",
          "label": "Reconciliation Job",
          "markdown": "https://banes-lab.com/records/lexicon/reconciliation-job.md",
          "ref": "lexicon:reconciliation-job"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-saga-pattern",
          "json": "https://banes-lab.com/json/records/architecture/saga-pattern",
          "label": "Saga Pattern",
          "markdown": "https://banes-lab.com/records/architecture/saga-pattern.md",
          "ref": "architecture:saga-pattern"
        }
      ],
      "relation": "refactored-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#vocabulary-severity-contextual",
          "json": "https://banes-lab.com/json/records/vocabulary/severity-contextual",
          "label": "contextual",
          "markdown": "https://banes-lab.com/records/vocabulary/severity-contextual.md",
          "ref": "vocabulary:severity-contextual"
        }
      ],
      "relation": "severity"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-event-messaging-asynchronous-architecture",
          "json": "https://banes-lab.com/json/records/architecture-category/event-messaging-asynchronous-architecture",
          "label": "Event / Messaging / Asynchronous Architecture",
          "markdown": "https://banes-lab.com/records/architecture-category/event-messaging-asynchronous-architecture.md",
          "ref": "architecture-category:event-messaging-asynchronous-architecture"
        }
      ],
      "relation": "category"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-crdts",
          "json": "https://banes-lab.com/json/records/architecture/crdts",
          "label": "CRDTs",
          "markdown": "https://banes-lab.com/records/architecture/crdts.md",
          "ref": "architecture:crdts"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-cap-theorem",
          "json": "https://banes-lab.com/json/records/architecture/cap-theorem",
          "label": "CAP Theorem",
          "markdown": "https://banes-lab.com/records/architecture/cap-theorem.md",
          "ref": "architecture:cap-theorem"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-idempotent-consumer",
          "json": "https://banes-lab.com/json/records/architecture/idempotent-consumer",
          "label": "Idempotent Consumer",
          "markdown": "https://banes-lab.com/records/architecture/idempotent-consumer.md",
          "ref": "architecture:idempotent-consumer"
        }
      ],
      "relation": "reinforced-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/software-architecture/principles#separate-trade-or-mitigate",
          "json": "https://banes-lab.com/json/software-architecture/principles/separate-trade-or-mitigate",
          "label": "Separate, trade, or mitigate",
          "markdown": "https://banes-lab.com/software-architecture/principles/separate-trade-or-mitigate.md",
          "ref": "chapter:/software-architecture/principles#separate-trade-or-mitigate"
        },
        {
          "href": "https://banes-lab.com/software-architecture/scale#the-ceiling-moves-by-cost",
          "json": "https://banes-lab.com/json/software-architecture/scale/the-ceiling-moves-by-cost",
          "label": "The ceiling moves by cost",
          "markdown": "https://banes-lab.com/software-architecture/scale/the-ceiling-moves-by-cost.md",
          "ref": "chapter:/software-architecture/scale#the-ceiling-moves-by-cost"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-causality-ordering-distributed-time",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-causality-ordering-distributed-time",
          "label": "Causality / Ordering / Distributed Time",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-causality-ordering-distributed-time.md",
          "ref": "chapter:/ontology#architecture-category-causality-ordering-distributed-time"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-event-messaging-asynchronous-architecture",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-event-messaging-asynchronous-architecture",
          "label": "Event / Messaging / Asynchronous Architecture",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-event-messaging-asynchronous-architecture.md",
          "ref": "chapter:/ontology#architecture-category-event-messaging-asynchronous-architecture"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-error-handling-resilience",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-error-handling-resilience",
          "label": "Error Handling / Resilience",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-error-handling-resilience.md",
          "ref": "chapter:/ontology#architecture-category-error-handling-resilience"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-scalability-performance-optimization",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-scalability-performance-optimization",
          "label": "Scalability / Performance / Optimization",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-scalability-performance-optimization.md",
          "ref": "chapter:/ontology#architecture-category-scalability-performance-optimization"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-transactions-state-concurrency",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-transactions-state-concurrency",
          "label": "Transactions / State / Concurrency",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-transactions-state-concurrency.md",
          "ref": "chapter:/ontology#architecture-category-transactions-state-concurrency"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-event-messaging-async",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-event-messaging-async",
          "label": "Event Messaging Async",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-event-messaging-async.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-event-messaging-async"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-quality-attributes",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-quality-attributes",
          "label": "Quality Attributes",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-quality-attributes.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-quality-attributes"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-transactions-state-concurrency",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-transactions-state-concurrency",
          "label": "Transactions / State / Concurrency",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-transactions-state-concurrency.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-transactions-state-concurrency"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-vocabulary-severity",
          "json": "https://banes-lab.com/json/ontology/schema/the-vocabulary-severity",
          "label": "Severity levels",
          "markdown": "https://banes-lab.com/ontology/schema/the-vocabulary-severity.md",
          "ref": "chapter:/ontology/schema#the-vocabulary-severity"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-resolutions",
          "json": "https://banes-lab.com/json/ontology/schema/the-resolutions",
          "label": "The resolutions",
          "markdown": "https://banes-lab.com/ontology/schema/the-resolutions.md",
          "ref": "chapter:/ontology/schema#the-resolutions"
        }
      ],
      "relation": "linked-from"
    }
  ],
  "summary": "A conceptual representation of a consistency guarantee in which replicas and projections converge once updates stop arriving.",
  "siblings": {
    "next": {
      "href": "https://banes-lab.com/ontology#architecture-saga-pattern",
      "json": "https://banes-lab.com/json/records/architecture/saga-pattern",
      "label": "Saga Pattern",
      "markdown": "https://banes-lab.com/records/architecture/saga-pattern.md",
      "ref": "architecture:saga-pattern"
    },
    "previous": {
      "href": "https://banes-lab.com/ontology#architecture-asynchronous-communication",
      "json": "https://banes-lab.com/json/records/architecture/asynchronous-communication",
      "label": "Asynchronous Communication",
      "markdown": "https://banes-lab.com/records/architecture/asynchronous-communication.md",
      "ref": "architecture:asynchronous-communication"
    }
  },
  "up": {
    "href": null,
    "json": "https://banes-lab.com/json/api/records/architecture",
    "label": "Architecture principles",
    "markdown": "https://banes-lab.com/api/records/architecture.md",
    "ref": "api:records/architecture"
  },
  "aliases": [],
  "exemplar": {
    "after": "await fooStore.save(foo);\nfooEvents.emit({ type: \"FooSaved\", foo });\nconst view = await fooSearchView.find(foo.id);\nconst converged = view.version >= foo.version;\nreturn { foo: view, converged };",
    "before": "await fooStore.save(foo);\nawait fooSearch.update(foo);\nawait fooAnalytics.update(foo);",
    "lang": "ts",
    "medium": "code"
  },
  "formedBy": null,
  "scope": [
    "distributed system",
    "data"
  ],
  "severity": "contextual"
}