---
id: wiki-2026-0508-가용성-availability
title: 가용성 (Availability)
category: 10_Wiki/Topics
status: duplicate
canonical_id: high-availability-systems
duplicate_of: "[[High-Availability-Systems]]"
aliases: []
source_trust_level: A
confidence_score: 0.9
verification_status: redirected
tags: [duplicate, availability, reliability]
last_reinforced: 2026-05-10
github_commit: pending
---

# 가용성 (Availability)

> **이 문서는 [[High-Availability-Systems]] 의 중복본입니다.** Canonical 문서로 redirect.

## 핵심 요약 (specialization aspects, optional)
- 매 availability 의 measure: uptime / (uptime + downtime) → 99.9% (3 nines), 99.99% (4 nines), 99.999% (5 nines).
- 매 canonical 문서 의 covers: redundancy, failover, load balancing, SLO/SLA, MTBF/MTTR, blast radius.

## 🔗 Graph
- 부모: [[High-Availability-Systems]] (canonical)

## 🕓 변경 이력
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | 중복 처리 — canonical 문서로 redirect |
