{
  "code": null,
  "collection": "architecture",
  "href": "https://banes-lab.com/ontology#architecture-graceful-degradation",
  "id": "graceful-degradation",
  "kind": "principle",
  "layer": {
    "href": "https://banes-lab.com/ontology/schema#layer-correctness-core",
    "json": "https://banes-lab.com/json/records/layer/correctness-core",
    "label": "Correctness Core",
    "markdown": "https://banes-lab.com/records/layer/correctness-core.md",
    "ref": "layer:correctness-core"
  },
  "name": "Graceful Degradation",
  "ref": "architecture:graceful-degradation",
  "relations": [
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-fallback",
          "json": "https://banes-lab.com/json/records/lexicon/fallback",
          "label": "Fallback",
          "markdown": "https://banes-lab.com/records/lexicon/fallback.md",
          "ref": "lexicon:fallback"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-feature-isolation",
          "json": "https://banes-lab.com/json/records/lexicon/feature-isolation",
          "label": "Feature Isolation",
          "markdown": "https://banes-lab.com/records/lexicon/feature-isolation.md",
          "ref": "lexicon:feature-isolation"
        }
      ],
      "relation": "requires"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-fault-tolerance",
          "json": "https://banes-lab.com/json/records/architecture/fault-tolerance",
          "label": "Fault Tolerance",
          "markdown": "https://banes-lab.com/records/architecture/fault-tolerance.md",
          "ref": "architecture:fault-tolerance"
        }
      ],
      "relation": "reinforces"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-partial-availability",
          "json": "https://banes-lab.com/json/records/lexicon/partial-availability",
          "label": "Partial Availability",
          "markdown": "https://banes-lab.com/records/lexicon/partial-availability.md",
          "ref": "lexicon:partial-availability"
        }
      ],
      "relation": "enables"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-all-or-nothing-failure",
          "json": "https://banes-lab.com/json/records/lexicon/all-or-nothing-failure",
          "label": "All-Or-Nothing Failure",
          "markdown": "https://banes-lab.com/records/lexicon/all-or-nothing-failure.md",
          "ref": "lexicon:all-or-nothing-failure"
        }
      ],
      "relation": "conflicts-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-consistency-feature-completeness",
          "json": "https://banes-lab.com/json/records/lexicon/consistency-feature-completeness",
          "label": "Consistency / Feature Completeness",
          "markdown": "https://banes-lab.com/records/lexicon/consistency-feature-completeness.md",
          "ref": "lexicon:consistency-feature-completeness"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-fail-fast",
          "json": "https://banes-lab.com/json/records/architecture/fail-fast",
          "label": "Fail Fast",
          "markdown": "https://banes-lab.com/records/architecture/fail-fast.md",
          "ref": "architecture:fail-fast"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#tension-fail-fast-graceful-degradation",
          "json": "https://banes-lab.com/json/records/tension/fail-fast-graceful-degradation",
          "label": "Fail Fast / Graceful Degradation",
          "markdown": "https://banes-lab.com/records/tension/fail-fast-graceful-degradation.md",
          "ref": "tension:fail-fast-graceful-degradation"
        }
      ],
      "relation": "tensions-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#tension-consistency-feature-completeness-graceful-degradation",
          "json": "https://banes-lab.com/json/records/tension/consistency-feature-completeness-graceful-degradation",
          "label": "Graceful Degradation / Consistency / Feature Completeness",
          "markdown": "https://banes-lab.com/records/tension/consistency-feature-completeness-graceful-degradation.md",
          "ref": "tension:consistency-feature-completeness-graceful-degradation"
        }
      ],
      "relation": "tensions"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-all-or-nothing-failure",
          "json": "https://banes-lab.com/json/records/lexicon/all-or-nothing-failure",
          "label": "All-Or-Nothing Failure",
          "markdown": "https://banes-lab.com/records/lexicon/all-or-nothing-failure.md",
          "ref": "lexicon:all-or-nothing-failure"
        }
      ],
      "relation": "violated-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-fallback-pattern",
          "json": "https://banes-lab.com/json/records/architecture/fallback-pattern",
          "label": "Fallback Pattern",
          "markdown": "https://banes-lab.com/records/architecture/fallback-pattern.md",
          "ref": "architecture:fallback-pattern"
        }
      ],
      "relation": "refactored-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#vocabulary-severity-recommended",
          "json": "https://banes-lab.com/json/records/vocabulary/severity-recommended",
          "label": "recommended",
          "markdown": "https://banes-lab.com/records/vocabulary/severity-recommended.md",
          "ref": "vocabulary:severity-recommended"
        }
      ],
      "relation": "severity"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-error-handling-resilience",
          "json": "https://banes-lab.com/json/records/architecture-category/error-handling-resilience",
          "label": "Error Handling / Resilience",
          "markdown": "https://banes-lab.com/records/architecture-category/error-handling-resilience.md",
          "ref": "architecture-category:error-handling-resilience"
        }
      ],
      "relation": "category"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/disciplined-methodology/build#fail-at-the-boundary",
          "json": "https://banes-lab.com/json/disciplined-methodology/build/fail-at-the-boundary",
          "label": "Fail at the boundary",
          "markdown": "https://banes-lab.com/disciplined-methodology/build/fail-at-the-boundary.md",
          "ref": "chapter:/disciplined-methodology/build#fail-at-the-boundary"
        },
        {
          "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/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/lexicon#lexicon-category-core-vocabulary",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-core-vocabulary",
          "label": "Core Vocabulary",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-core-vocabulary.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-core-vocabulary"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-error-handling-resilience",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-error-handling-resilience",
          "label": "Error Handling / Resilience",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-error-handling-resilience.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-error-handling-resilience"
        },
        {
          "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/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 design rule that the failure of an optional dependency removes only the feature it serves, and the rest of the system keeps working.",
  "siblings": {
    "next": {
      "href": "https://banes-lab.com/ontology#architecture-fault-tolerance",
      "json": "https://banes-lab.com/json/records/architecture/fault-tolerance",
      "label": "Fault Tolerance",
      "markdown": "https://banes-lab.com/records/architecture/fault-tolerance.md",
      "ref": "architecture:fault-tolerance"
    },
    "previous": {
      "href": "https://banes-lab.com/ontology#architecture-fail-secure",
      "json": "https://banes-lab.com/json/records/architecture/fail-secure",
      "label": "Fail Secure",
      "markdown": "https://banes-lab.com/records/architecture/fail-secure.md",
      "ref": "architecture:fail-secure"
    }
  },
  "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": "async function renderFooPage() {\n  const foo = await fooService.get();\n  const bar = await barRecommendations.get().catch(() => [] as Bar[]);\n  return render(foo, bar);\n}",
    "before": "async function renderFooPage() {\n  const foo = await fooService.get();\n  const bar = await barRecommendations.get();\n  return render(foo, bar);\n}",
    "lang": "ts",
    "medium": "code"
  },
  "formedBy": null,
  "scope": [
    "service",
    "UX",
    "system"
  ],
  "severity": "recommended"
}
