Regions

Understand regions

A region consists of an independent geographical location with one or more data centers. STACKIT hosts all regions exclusively in Germany (eu01) and Austria (eu02). This local presence ensures that your data processing complies with European data protection laws, such as the General Data Protection Regulation (GDPR).

Each region remains physically separate from others. This isolation ensures that a service disruption in one region does not affect the performance of another.

While STACKIT maintains parity across all locations, we may release specialized services or newer features in specific regions first.

Use availability zones

An availability zone (AZ) consists of one or more data centers within a region. Each region provides at least three physically separate AZs.

This separation ensures that each AZ operates with independent power, cooling, and network infrastructure. STACKIT implements this through:

• Single data centers that meet strict separation requirements.

• Logical units that span multiple data centers.

• Multiple fire sections within a single data center.

Isolated AZs stay close enough to each other to provide low latency of approximately 0.5 ms.

Maximize availability and resilience

STACKIT provides several options to manage the availability of your applications and services.

Distribute resources with Metro Availability Zone

The Metro AZ automatically distributes virtual machines (VMs) and data across two or more AZs within a region. This feature provides high availability even if your application lacks built-in redundancy.

• Resilience: Protects against data center service disruptions.

• Naming convention: Use the format <region>-m, such as eu01-m.

Metro AZ is not available for all services. It is a specific feature for infrastructure components that support synchronous replication at the storage level, such as STACKIT Compute Engine and STACKIT Block Storage.

Control placement with Single Availability Zone

The Single AZ option binds resources to a single, specific availability zone. This provides you with the most precise control over the placement of your workloads. Use this for high-performance workloads or cloud-native applications where you manage replication at the application level yourself. Since modern services such as STACKIT MongoDB Flex, STACKIT PostgreSQL Flex, or STACKIT Redis bring their own replication logic, distribution across Single AZs is often more performant and flexible than using the metro storage layer.

Access global services

Management services, such as the Resource Manager and Identity & Access Management (IAM), operate globally. These services allow you to manage resources across all regions from one interface.

Compliance and security

By operating data centers exclusively in Germany and Austria, STACKIT ensures your digital sovereignty. All services and data comply with EU law and GDPR requirements.

• ISO 27001: Certified for information security.

• C5 Type 2: Meets high-level cybersecurity requirements for cloud services.