refactor: merge flight-wiki + restructure concepts/ into two subdirectories

- flight-wiki fully merged into airport-wiki/concepts/flight-operations/
- concepts/ restructured: tech-infrastructure/ (9 pages) + flight-operations/ (10 pages)
- aodb.md (380 lines) split into aodb-core.md + aodb-vendors.md
- SCHEMA.md updated: Domain covers '智算中心+航班運營' dual domains
- new: airport-systems-landscape.md (flight ops system architecture)
- index.md rewritten with visual directory tree
- log.md updated
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zhiqiang feng
2026-04-10 09:02:57 +08:00
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---
title: 网络架构
created: 2026-04-08
updated: 2026-04-08
type: concept
tags: [network, architecture]
sources: []
---
# 网络架构
## 机场数据中心网络特点
- 多业务分区:航站网、行李网、安防网、办公网相互隔离
- 高带宽需求:视频监控、行李分拣数据传输量大
- 低延迟要求:空管通信、航班信息显示对延迟敏感
- 多冗余路径:网络链路故障不能影响业务
## 常用架构
### Spine-Leaf 架构
- 适用于叶脊交换结构,东西向流量优化
- 推荐用于大型机场核心网络
### 三层网络架构
- 核心层 / 汇聚层 / 接入层
- 传统架构,适合中小型机房
## 网络安全
- 防火墙分区隔离
- 入侵检测/防御系统(IDS/IPS)
- 网络准入控制(NAC
- DDoS 防护
> 相关:[[tier-iii-design]] | [[glossary]]