{
  "code": null,
  "collection": "architecture",
  "href": "https://banes-lab.com/ontology#architecture-slo-sli",
  "id": "slo-sli",
  "kind": "constraint",
  "layer": {
    "href": "https://banes-lab.com/ontology/schema#layer-observability",
    "json": "https://banes-lab.com/json/records/layer/observability",
    "label": "Observability",
    "markdown": "https://banes-lab.com/records/layer/observability.md",
    "ref": "layer:observability"
  },
  "name": "SLO/SLI",
  "ref": "architecture:slo-sli",
  "relations": [
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-monitoring",
          "json": "https://banes-lab.com/json/records/architecture/monitoring",
          "label": "Monitoring",
          "markdown": "https://banes-lab.com/records/architecture/monitoring.md",
          "ref": "architecture:monitoring"
        }
      ],
      "relation": "requires"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-observability",
          "json": "https://banes-lab.com/json/records/architecture/observability",
          "label": "Observability",
          "markdown": "https://banes-lab.com/records/architecture/observability.md",
          "ref": "architecture:observability"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-alerting",
          "json": "https://banes-lab.com/json/records/architecture/alerting",
          "label": "Alerting",
          "markdown": "https://banes-lab.com/records/architecture/alerting.md",
          "ref": "architecture:alerting"
        }
      ],
      "relation": "reinforces"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-error-budget-decisions",
          "json": "https://banes-lab.com/json/records/lexicon/error-budget-decisions",
          "label": "Error-Budget Decisions",
          "markdown": "https://banes-lab.com/records/lexicon/error-budget-decisions.md",
          "ref": "lexicon:error-budget-decisions"
        }
      ],
      "relation": "enables"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-vague-reliability-goals",
          "json": "https://banes-lab.com/json/records/lexicon/vague-reliability-goals",
          "label": "Vague Reliability Goals",
          "markdown": "https://banes-lab.com/records/lexicon/vague-reliability-goals.md",
          "ref": "lexicon:vague-reliability-goals"
        }
      ],
      "relation": "conflicts-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-feature-velocity",
          "json": "https://banes-lab.com/json/records/lexicon/feature-velocity",
          "label": "Feature Velocity",
          "markdown": "https://banes-lab.com/records/lexicon/feature-velocity.md",
          "ref": "lexicon:feature-velocity"
        }
      ],
      "relation": "tensions-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#tension-feature-velocity-slo-sli",
          "json": "https://banes-lab.com/json/records/tension/feature-velocity-slo-sli",
          "label": "SLO/SLI / Feature Velocity",
          "markdown": "https://banes-lab.com/records/tension/feature-velocity-slo-sli.md",
          "ref": "tension:feature-velocity-slo-sli"
        }
      ],
      "relation": "tensions"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-vague-reliability-goals",
          "json": "https://banes-lab.com/json/records/lexicon/vague-reliability-goals",
          "label": "Vague Reliability Goals",
          "markdown": "https://banes-lab.com/records/lexicon/vague-reliability-goals.md",
          "ref": "lexicon:vague-reliability-goals"
        }
      ],
      "relation": "violated-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-service-level-objectives",
          "json": "https://banes-lab.com/json/records/lexicon/service-level-objectives",
          "label": "Service Level Objectives",
          "markdown": "https://banes-lab.com/records/lexicon/service-level-objectives.md",
          "ref": "lexicon:service-level-objectives"
        }
      ],
      "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-observability-auditability-traceability",
          "json": "https://banes-lab.com/json/records/architecture-category/observability-auditability-traceability",
          "label": "Observability / Auditability / Traceability",
          "markdown": "https://banes-lab.com/records/architecture-category/observability-auditability-traceability.md",
          "ref": "architecture-category:observability-auditability-traceability"
        }
      ],
      "relation": "category"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-observability-auditability-traceability",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-observability-auditability-traceability",
          "label": "Observability / Auditability / Traceability",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-observability-auditability-traceability.md",
          "ref": "chapter:/ontology#architecture-category-observability-auditability-traceability"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-observability-auditability-traceability",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-observability-auditability-traceability",
          "label": "Observability / Auditability / Traceability",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-observability-auditability-traceability.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-observability-auditability-traceability"
        },
        {
          "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 rule or precondition that a service's reliability is stated as a measured indicator with an objective and an error budget over a window.",
  "siblings": {
    "next": {
      "href": "https://banes-lab.com/ontology#architecture-dashboards",
      "json": "https://banes-lab.com/json/records/architecture/dashboards",
      "label": "Dashboards",
      "markdown": "https://banes-lab.com/records/architecture/dashboards.md",
      "ref": "architecture:dashboards"
    },
    "previous": {
      "href": "https://banes-lab.com/ontology#architecture-distributed-tracing",
      "json": "https://banes-lab.com/json/records/architecture/distributed-tracing",
      "label": "Distributed Tracing",
      "markdown": "https://banes-lab.com/records/architecture/distributed-tracing.md",
      "ref": "architecture:distributed-tracing"
    }
  },
  "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": [
    "Service Level Objective",
    "Service Level Indicator",
    "Objective Reliability Targets"
  ],
  "exemplar": {
    "after": "const fooLatencySli = ratio(\"foo.requests.fast\", \"foo.requests.total\");\ndefineSLO(\"foo-latency\", { sli: fooLatencySli, objective: 0.99, window: \"30d\", errorBudget: 0.01 });",
    "before": "alert.when(latency > 1000);",
    "lang": "ts",
    "medium": "code"
  },
  "formedBy": null,
  "scope": [
    "service",
    "reliability",
    "operations"
  ],
  "severity": "contextual"
}
