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wiki/concepts/Cross-Account-Event-Forwarding.md
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title: Cross-Account Event Forwarding
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type: concept
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tags: [aws, eventbridge, multi-account, event-driven]
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date: 2026-04-19
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---
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## 定义
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跨账号事件转发(Cross-Account Event Forwarding)是指通过 Amazon EventBridge 将一个 AWS 账号中的事件路由到另一个 AWS 账号的机制。该机制允许组织在多账号架构中实现集中式事件管理。
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## 核心机制
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- **自定义事件总线**:在管理账号创建自定义事件总线,配置跨账号权限策略
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- **PutEvents API**:源账号通过 PutEvents API 将事件发送到目标账号的事件总线
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- **事件规则**:目标账号通过事件规则过滤和处理接收的事件
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## 组件
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- **Event Bus**:事件总线,事件的入口点
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- **Event Rule**:事件规则,用于过滤和路由事件
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- **Permission Policy**:事件总线的跨账号权限策略
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## 应用场景
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- **集中日志收集**:将多个账号的 CloudFormation 事件转发到管理账号
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- **集中告警**:跨账号统一告警通知
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- **安全事件集中**:安全相关事件集中到 SOC 账号
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## 与集中式日志的关系
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跨账号事件转发是实现集中式日志的关键技术基础。通过 EventBridge 将分散在各账号的事件汇聚到中央存储位置(如 CloudWatch Logs 或 OpenSearch),实现统一监控和查询。
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## Connections
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- [[EventBridge]] ← implements ← [[Cross-Account Event Forwarding]]
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- [[Centralized Logging]] ← depends_on ← [[Cross-Account Event Forwarding]]
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- [[Multi-Account Strategy]] ← enables ← [[Cross-Account Event Forwarding]]
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