傅里叶的猫·2025-07-13 14:59Core Viewpoint - The article analyzes the resilience of cloud service providers in China, focusing on their infrastructure and reliability, highlighting Amazon Web Services (AWS) as the most resilient provider, followed by Huawei Cloud, Alibaba Cloud, Tencent Cloud, and Microsoft Azure [1][10]. Infrastructure Deployment - AWS has a minimum of 3 availability zones in each region, achieving 100% physical isolation and supporting multi-availability zone deployments [3]. - Huawei Cloud has 1 region with 75% of its availability zones, but lacks support for multi-availability zone deployments [3]. - Alibaba Cloud has 1 region with 42% availability zones, facing risks of large-scale outages due to lack of physical isolation [3]. - Tencent Cloud has 1 region with 75% availability zones, but has single point deployments that complicate recovery during service disruptions [3]. - Microsoft Azure has no regions with multiple availability zones, resulting in a higher risk of service interruptions [3]. Actual Performance - From January 1, 2023, to March 31, 2025, AWS maintained an average service interruption time of less than 1 hour, achieving 99.9909% availability, outperforming its SLA commitments [6][8]. - Huawei Cloud had an average availability of 99.9689%, with a higher frequency of interruptions but shorter individual downtime compared to Alibaba and Tencent [6][8]. - Alibaba Cloud's average downtime was 2.12 hours, with significant global outages affecting its performance [8]. - Tencent Cloud had the longest average downtime among local providers, at 5.73 hours, indicating weaker infrastructure resilience [8]. - Microsoft Azure's performance was hindered by a lack of physical infrastructure, resulting in a 99.9201% availability [7][9]. Resilience Ranking - The ranking of cloud service providers based on resilience is as follows: AWS, Huawei Cloud, Alibaba Cloud, Tencent Cloud, and Microsoft Azure [10].