AWS Architecture Resilience Deep Dive: Multi-AZ/Multi-Region Design Principles from US-EAST-1 Outage

Deep dive into cloud architecture resilience from AWS US-EAST-1’s 15-hour outage: Multi-AZ vs. Multi-Region architecture selection, pragmatic cost-benefit analysis (2 AZ ROI reaches 961%), enterprise-grade disaster recovery frameworks, and real-world architecture patterns from Netflix, Airbnb, and other global companies.

AWS Outage Deep Dive: Multi-Cloud Disaster Recovery Strategies for Architects

On October 20, 2025, AWS US-East-1 experienced one of the top three largest outages in history, affecting 6.5 million users and 1000+ companies. This article provides an architect’s perspective on the outage impact, technical root causes, and complete disaster recovery strategies across five levels: Multi-AZ, Multi-Region, Multi-Cloud, and Hybrid Cloud, including cost analysis, real-world cases, and ROI calculations.

AWS 大規模當機事件深度解析:架構師必知的多雲容災策略

2025年10月20日,AWS US-East-1 區域發生史上前三大規模當機事件,影響 650萬用戶與 1000+ 家企業。本文從架構師視角深度分析當機影響範圍、技術根因,並提供 Multi-AZ、Multi-Region、Multi-Cloud、Hybrid Cloud 五個層級的完整容災策略,包含成本分析、實際案例與 ROI 計算。

AWS ALB 多實例部署策略:大型專案架構的雙面刃

在雲端架構設計中,Application Load Balancer (ALB) 是 AWS 生態系統中不可或缺的關鍵組件。對於大型專案而言,是否應該部署多個 ALB 實例往往成為架構師們需要深思熟慮的重要決策。本文將深入探討這一策略的各個層面,為您的架構決策提供全面參考。 為什麼考慮多 ALB 部署? 當專案規模擴大…