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Screaming in the Cloud
Cloud Resilience Strategies with Seth Eliot
Oct 17, 2024
Seth Eliot, Principal Resilience Architect at Arpio and former AWS Global Reliability Lead, shares his expertise in cloud resilience. He explains how Multi-AZ configurations can meet most needs, reserving multi-region setups for specific risks. Seth emphasizes the delicate balance between cost and resilience, cautioning against check-box mentality in disaster recovery. He also discusses common pitfalls in resilience testing and warns about the risks of poorly designed multi-cloud setups, highlighting the importance of real-world complexities in disaster planning.
27:40
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Quick takeaways
- Multi-AZ configurations typically provide sufficient resilience for most risks without the added complexity and cost of Multi-Region setups.
- Understanding the balance between disaster recovery strategies and business continuity is crucial for making informed, cost-effective resilience decisions.
Deep dives
Understanding Multi-AZ vs. Multi-Region Strategies
Multi-AZ (Availability Zone) configurations provide substantial resilience by utilizing multiple data centers within a single region, often sufficient for risks like electrical outages or localized incidents. However, companies may question the necessity of expanding to a Multi-Region approach, especially when aiming to protect against extreme scenarios like a catastrophic event. A thorough understanding of the specific risks a business faces is crucial; for many, Multi-AZ configurations are robust enough without the added cost and complexity of Multi-Region setups. Thus, companies should assess their disaster recovery strategies based on actual risk scenarios rather than speculative disasters.
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