Optimize Resilience and Reduce Cross-Zone Expenses Using HAZL

Ivan (이반) Porta
12 min readOct 15, 2024

Unplanned downtime, whether it’s caused by hardware failures, glitches, or cyberattacks, is every organization’s worst nightmare, no matter its size and sectors. Its can not only cause a lost revenue, but also drops in stock value, hit to customer satisfaction, trust and damage to the company’s reputation. According to a Oxford Economics survey, the downtime costs for Global 2000 companies is estimated around $400B annually, which means $200M per company per year, with an average of of $9,000 or $540,000 per hour.

Also, outages are more common that what you might think. In fact, according to a survey by Acronis in 2022 showed that 76% of companies experienced downtime. And let’s not forget Meta’s massive 2024 outage, which cost an estimated $100 million in lost revenue or the $34 million in missed sales for Amazon in 2021. This proves that, even with resiliency strategies in place, and thousands of engineers dedicated to avoiding downtime, it’s still a problem that need to be properly addressed.

To provide resiliency to their customers, and help them reduce the risk of unplanned downtime, all major cloud providers, for Azure to Tencent Cloud, offer…

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Ivan (이반) Porta

Senior DevOps Engineer | Terraform Associate | Certified Argo Project Associate