Add airport and flight wikis to Obsidian vault
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title: Tier III 数据中心设计
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created: 2026-04-08
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updated: 2026-04-08
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type: concept
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tags: [tier-iii, design]
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sources: []
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---
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# Tier III 数据中心设计
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## 标准参考
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- **ANSI/TIA-942-B**: 数据中心电信基础设施标准
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- **Uptime Institute Tier Standard**: 分为 Tier I/II/III/IV 四个等级
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## Tier III 核心要求
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- **可用性**: 99.98%(年停机 ≤ 1.6 小时)
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- **冗余等级**: N+1(可并行维护)
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- **电力路径**: 2N UPS 或 N+1 UPS 配置
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- **冷却系统**: N+1 冗余冷冻水系统或风冷系统
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- **网络接入**: 多运营商、多路由接入
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## 机场适用性
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机场主数据中心推荐采用 Tier III 级别,兼顾建设成本与业务连续性需求。
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> 相关:[[tier-iv-design]] | [[power-and-cooling]] | [[network-architecture]]
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