Public cloud infrastructure

SIM Cloud: our secure IaaS cloud infrastructure based on modern data centers in Germany. Scale your IT infrastructure efficiently and let it grow with your business

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Public Cloud Infrastructure

Choose your own SIM-Cloud resources

Your cloud configuration

Number of cores (Standard)

Number of cores (Power)


Virtual router

Floating IPv4


Billing period

Total order value

What else do we offer?

The benefits of our OpenStack cloud

Ultimate Availability

Public Cloud Availability Zones

Improve your infrastructure’s fault tolerance by a factor of 2 with the 2nd SIM-Cloud availability zone.

Instances in separate availability zones are completely independent. Each zone uses its own computing resources, storage systems, cooling systems, network connections, power supply systems and more. Store your backups in an independent environment, monitor your main infrastructure or use the availability zones for software testing.

Managing availability zones is easy: simply use the SIM-Cloud dashboard to manage your entire infrastructure.

Quality guarantee

Tech support 24/7

Our multilingual tech support team is always available and ready to assist you with any questions or issues you may have.

Certified data centers

Your IT infrastructure will be located in secure ISO/IEC 27001-certified data centers in Karlsruhe, Germany.

High availability

High uptime values are guaranteed; we hold ourselves to the strictest standards regarding availability.

Quick recovery

Should any unexpected failures happen, contact us and our team of experts will respond within 1 hour.


Public cloud services allow your business to increase its IT capabilities at a lower cost and at a higher rate than if you were to maintain your own infrastructure. The infrastructure as a service model rids you of the need to buy more hardware as your business grows and you can increase or decrease the amount of resources you’re using according to your needs. Maintenance costs are the responsibility of your IaaS provider. Your data will also be much more disaster-proof in the public cloud due to the backup services offered by providers. However, the public IaaS doesn’t allow for as much control over resources as the private cloud due to multi tenancy. It is also true that public cloud infrastructure is not seen as suitable for certain types of sensitive data such as medical records or banking information.

The public cloud offers high levels of security. The “tenants” of the public cloud cannot affect each other’s data or interact with each other in any way. They are completely isolated using the KVM hypervisor and all network traffic is protected by VXLAN. You may also employ any other security measures in addition to the ones provided by us. The risks of security breaches are extremely low; most security concerns that are sometimes brought up when talking about public clouds are due to the fact that the infrastructure is maintained by a third party. With a reliable provider, this is not a significant issue.

The IaaS cloud will fulfill the needs of any recently founded business that is quickly gaining momentum and can’t afford to buy more and more expensive hardware. This also motivates many startups to choose public clouds. It is the perfect solution for any business that is unable or simply unwilling to maintain its own infrastructure due to factors such as their IT budget or the lack of physical space. Businesses which find themselves in need of 24/7 access to data stored in the cloud regardless of the user’s location will also benefit from migrating to cloud based infrastructure.

In order to satisfy the needs of every client and to balance the workloads in the clouds, we have prepared 32 basic VM configurations, ranging from 1vCore/1Gb RAM to 32vCore/192Gb RAM. Those configurations fulfill the needs of our clients in 99% of cases. We also set up individual VM configurations for larger projects. Each configuration offers at least 1 static IPv4 (public) + IPv6, unlimited 100 Mb/s channel for each project, Basic V Router up to 100 Mbit/s. You can choose the type and the capacity of disk space, the additional capacity of the remote disk space for reserve copies, an additional VRouter, and the necessary amount of public IPv4+IPv6. Entire subnetworks may be provided if needed.

In order to launch projects in the cloud quickly and easily, we provide a list of available images of operating systems ready for use in the cloud. By default, all available OS images ready for installation in SIM-Cloud are unlicensed trial versions. Software licensing is solely the responsibility of the client. You may purchase the licenses yourself, use previously acquired licenses or employ the services of SIM-Networks in order to purchase them. Clients are prohibited from installing their own OS images by default. This prohibition is due to high level security requirements of the SIM-Cloud. Installation of operating systems outside of our list may be discussed individually. Contact our tech support team and we will find a way to assist you.

SIM-Networks provides the following services: cloud migration, Backup-as-a-Service, VPN-as-a-Service, NAT-as-a-Service, DNS-as-a-Service, Notification-as-a-Service.

You can manage your SIM-Cloud resources through the SIM-Cloud Dashboard or through API.

Contact us. We are always ready to help

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How to choose a public cloud

When deciding to rent cloud infrastructure, one should keep their options open and ask themselves these basic questions:

  • What kind of virtualization technology was used for cloud building?
  • How does a given IT infrastructure provider ensure cloud security and data protection?
  • Is this cloud infrastructure high-availability and what type of redundancy does it use?
  • What kinds of instances are available in the cloud? Is it a cloud in the first place or is it a set of dedicated virtual servers?

When searching for a cloud solution for their business, one should be careful: not all services that are advertised as “cloud solutions” are genuine clouds. Some providers offer a virtual server (VPS) deployed in a cluster of two or more dedicated servers instead. This environment is far from a gen…

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