Resilience in Amazon Virtual Private Cloud

The AWS global infrastructure is built around AWS Regions and Availability Zones. AWS Regions provide multiple physically separated and isolated Availability Zones, which are connected using low-latency, high-throughput, and highly redundant networking. With Availability Zones, you can design and operate applications and databases that automatically fail over between zones without interruption. Availability Zones are more highly available, fault tolerant, and scalable than traditional single or multiple data center infrastructures.

AWS Regions are the primary building blocks, each representing a distinct geographical location housing multiple physically separated and isolated Availability Zones. These Availability Zones are connected through a low-latency, high-throughput, and highly redundant networking fabric, enabling seamless communication and data transfer between them.

The architecture of Availability Zones is a key differentiator, as they are designed to be far more robust and fault-tolerant than traditional single or multiple data center setups. By distributing resources across multiple Availability Zones within a Region, applications and databases can be engineered to automatically fail over between zones without any interruption to service. This level of redundancy and high availability is a critical requirement for mission-critical workloads and enables organizations to build resilient cloud-native solutions.

Furthermore, the scale and global reach of the AWS infrastructure empower customers to deploy their applications closer to end-users, reducing latency and improving the overall user experience. The availability of multiple Regions across the world also allows for effective data sovereignty and compliance, as customers can store and process data within the geographical boundaries required by their specific regulatory and business needs.

By leveraging the AWS global infrastructure, organizations can architect their cloud environments to be highly available, fault-tolerant, and scalable, with the flexibility to adapt to changing requirements and evolving business needs. This robust foundation is a key enabler for the successful implementation of modern, cloud-based applications and services.

For more information about AWS Regions and Availability Zones, see AWS Global Infrastructure.

You can configure your VPCs to meet the resilience requirements for your workloads. For more information, see the following: