InterspaceKnowledgebaseDocumentationCloudWhat is Backup Storage?
CLOUD
25-Feb-2026
What is Backup Storage?

1.Intro

The Backup Storage service provides storage space in Interspace Cloud for backups and archives. It can be used by applications that support the S3, SFTP or FTPS protocols, including specialized backup applications such as Veeam, NAKIVO and Acronis.

The service is optimized for writing large amounts of data and reading it only when a restore is needed. For this reason, the price per terabyte is much lower than for storage used for constant file access, such as server disks.

A storage account can be divided into multiple Buckets (accessed over S3) and Shared Folders (accessed over SFTP/FTPS), resulting in significant space savings. Multiple users and automated jobs can use the same Buckets or Shared Folders, each with its own access level.

2.Advantages of Backup Storage from Interspace

2.1.Compatible with Multiple Applications

S3-compatible backup applications, such as Veeam and NAKIVO, connect directly to S3 Buckets. NAS devices, scripts and other backup applications connect to Shared Folders over SFTP/FTPS.

Files can also be browsed and managed with popular file transfer applications, such as FileZilla, WinSCP and Cyberduck. Different applications can be used in the same account at the same time.

2.2.Shared Folders and S3 Buckets

A Shared Folder is a separate storage location used for one organisation, team or project. Shared Folders are accessed over SFTP or FTPS. They can be shared with multiple users, and each user can have Write or Read Only access. Users see only the Shared Folders assigned to them.

An S3 Bucket is a separate object storage location for backup applications that use the S3 protocol. Applications connect to an S3 Bucket with access keys. Each S3 Bucket can also be accessed read-only over SFTP/FTPS. This allows backups to be browsed and downloaded with familiar file transfer applications.

All Shared Folders and S3 Buckets share the total storage space of the plan, which allows significant space savings. Managed service providers do not need to order separate storage for each customer.

2.3.High-Grade Internet Connectivity

Interspace is a first-class telecom provider that operates its own local and regional fiber optic infrastructure and an autonomous system within the global BGP network.

Interspace has direct connections to the world's leading tier 1 global providers and strategic regional and local peerings, ensuring we deliver the highest-grade Internet to professional businesses and service providers, and for our cloud and hosting platform.

Our network is passionately engineered to ensure the highest quality connections from/to any destination worldwide, boasting unmatched transfer speeds and multi-tier redundancy. Read more

2.4.Highest standards

Interspace operates in accordance with the highest standards and adheres to strict procedures, regularly validated through certifications from TÜV NORD CERT GmbH, as detailed below:

  • ISO 27001: Certification for our system managing information security.
  • ISO 20000-1: Certification attesting to our management processes for the effective delivery of IT services.
  • ISO 22301: Certification for ensuring business continuity in the event of an incident or disaster.
  • ISO 45001: Certification for our management system which ensures workplace safety and health for our employees.
  • ISO 9001: Certification for our quality management system.
  • ISO 14001: Certification attesting to our responsible environmental management system.
  • License A for design: The highest accreditation for designing telecommunication infrastructure projects.
  • License A for construction: The highest accreditation for building telecommunication infrastructure projects.

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