1.4 KiB
1.4 KiB
title
| title |
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| High Availability (Cloud) |
High Availability (Cloud)
High Availability (HA) in cloud computing refers to systems designed to operate continuously without failure, typically by eliminating single points of failure and distributing workloads across redundant infrastructure.
Common Misconception
Myth: Cloud performance is unreliable.
Reality: Cloud providers offer high availability and redundancy.
Key HA Characteristics in Cloud
- Service Level Agreements (SLAs): Major cloud providers guarantee uptime exceeding 99.99%
- Redundant Infrastructure: Data and services are replicated across multiple geographic regions and availability zones
- Automated Failover: Automatic switching to backup systems when primary systems fail
- Global Data Center Distribution: Workloads distributed worldwide for geographic resilience
- Load Balancing: Traffic distributed across multiple healthy instances
Benefits
- Minimized downtime and business disruption
- Improved user experience and reliability
- Reduced financial impact of outages
- Better disaster recovery posture