Failover High Availability Whitepaper 
AWS Disaster Recovery
JANUARY 25, 2022
The Availability and Beyond whitepaper discusses the concept of static stability for improving resilience. What if the very tools that we rely on for failover are themselves impacted by a DR event? Failover plan dependencies and considerations. What are the dependencies that we’ve baked into this failover plan?
AWS Disaster Recovery
JANUARY 20, 2021
It utilizes PHZs with overlapping namespaces and cross-account multi-region VPC association for PHZs to create an efficient, scalable, and highly available architecture for DNS. This architecture pattern follows the option of the “Multi-Account Decentralized” model as described in the whitepaper Hybrid Cloud DNS options for Amazon VPC.
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AWS Disaster Recovery
APRIL 26, 2021
By using the best practices provided in the AWS Well-Architected Reliability Pillar whitepaper to design your DR strategy, your workloads can remain available despite disaster events such as natural disasters, technical failures, or human actions. Every AWS Region consists of multiple Availability Zones (AZs).
AWS Disaster Recovery
JUNE 23, 2021
Each Region hosts a highly available, multi- Availability Zone (AZ) workload stack. Figure 2 shows Amazon Route 53 , a highly available and scalable cloud Domain Name System (DNS) , used for routing. Alternatively, you can use AWS Global Accelerator for routing and failover. Each regional stack serves production traffic.
AWS Disaster Recovery
APRIL 27, 2021
Minimum business continuity for failover. Our business needs in this scenario required us to build high availability to prevent 30 minutes of continuous downtime (RTO) and prevent persistent user data loss (that is, a few minutes RPO).
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