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Elastic Cloud Server (ECS)

Virtual computing capacities adapted to your needs

Computing capacities that are readily available via the Internet or private networks are one of the key functionalities of clouds. The user determines the specification (performance) of the virtual servers and the duration of their use. The resources for the flavors are provided from virtual hardware pools. Capacities such as RAM and virtual CPUs are taken from these pools and combined to suit the respective user’s needs. The result is what we call flavors. In order to provide a functional virtual server, also known as a virtual machine (VM), the flavor also needs a system disk with an operating system.

Elastic Cloud Server in the Open Telekom Cloud

The Open Telekom Cloud provides virtual machines (VM) in a total of nine performance classes via Elastic Cloud Server. The performance classes address specific use cases, from graphics applications, virtual workplace systems and big data applications, to high-performance scenarios and even SAP (advanced flavors). In addition, there are four generic performance classes (basic flavors) with different vCPU/RAM ratios. This results in more than 70 flavors, ranging from one to 60 vCPUs and from one to 940 GB of RAM. KVM and Xen are used for virtualization. From July 2019 Xen will only be used for high-performance and large-memory flavors as well as several GPU flavors.

Alongside the cluster for standard flavors, there are additional clusters for disk-intensive, memory-intensive and GPU instances. SATA, SAS and SSD (Elastic Volume Service) disks are available in all flavors for providing the operating system. ECS comprises three pricing models: elastic (billing on an hourly basis), reserved (discounted monthly rates for continuous use) and reserved upfront (increased discounts through advance payment). The license costs for the operating system are already included with the respective VM.

Basic flavors table
General purpose flavors (only available with KVM)

VCPU

RAM [GB]

1

1

2

4

8

2

2

4

8

16

4

4

8

16

32

8

8

16

32

64

16

16

32

64

128

32

32

64

128

256

60

---

128

256

512

Advanced flavors table

VCPU

High Perf

GPU

Workspace

Disk-intense

Large Mem

FPGA

2

8

4

4

16

8 + vGPU

8, 8 + vGPU

32 + 3,6 TB
32 + 5,4 TB 

128

8

32

16 + vGPU,
64 + GPU**,
64 + GPU***

16, 16 + vGPU

64 + 7,2 TB
64 + 10,8 TB

128 / 256

88 + Xilinx
VU9P

12

256

16

      64
128*, 256*

128 +  2 GPU***

128 + 14,4 TB
128 + 21,6 TB

470

18

445

24

192 + 21,6 TB

32

128, 256*

256 +  4 GPU***

256 + 28,8 TB

940

36

256 + 43,2 TB

890

60

540 + 43,2 TB

XEN/*KVM

XEN/KVM

XEN

XEN/KVM

XEN

KVM

*with InfiniBand/KVM
** NVIDIA M60
*** available with NVIDIA P100 or V100 (KVM), pass-through

SAP flavors

With regard to advanced flavors, the Open Telekom Cloud offers two flavor types that are designed for SAP applications and certified by SAP for your own services. The currently certified SAP flavors are based on Xen and the e1 and e2 flavors are optimized for HANA.

SAP Xen flavors will be available until Q2 2022. Reserved contracts with 36 months are available until Q2 2019. Shorter reserved terms and pay-as-you-go models are available until the end-of-service-date in Q2 2022.

SAP KVM certification is pursued for 2019. Deutsche Telekom will inform about the further proceeding and timelines.

NetWeaver Flavors

Name

vCPU

RAM

Hypervisor

Image

SAP Notes

Remarks

h1.large.4

2

8 GB

XEN

SUSE SAP (SLES)

SAP Note
2545668

For SAP NetWeaver

h1.xlarge.4

4

16 GB

XEN

SUSE SAP (SLES)

SAP Note
2545668

For SAP NetWeaver

h1.2xlarge.4

8

32 GB

XEN

SUSE SAP (SLES)

SAP Note
2545668

For SAP NetWeaver

h1.4xlarge.4

16

64 GB

XEN

SUSE SAP (SLES)

SAP Note
2545668

For SAP NetWeaver

h1.8xlarge.4

32

128 GB

XEN

SUSE SAP (SLES)

SAP Note
2545668

For SAP NetWeaver


HANA Flavors

Name

vCPU

RAM

Hypervisor

Image

SAP Notes

Remarks

e1.8xlarge

32

940 GB

XEN

SUSE SAP (SLES)

Certified IaaS Platforms

For OLTP Applications
e.g. Suite on HANA, or S/4HANA

e2.9xlarge

36

890 GB

XEN

SUSE SAP (SLES)

Certified IaaS Platforms

For OLAP Applications
e.g. BW on HANA, or BW/4HANA

Advanced flavors for special application scenarios

High Performance servers address high-performance scenarios, e.g., for particle physics, engineering sciences, or simulation/modeling. The ordered CPUs are not shared with other users for the duration of the order, which guarantees full performance over the entire period of use. Two of these flavors use Infiniband (16 vCPU with 128 GB RAM and 256 GB RAM) as network technology. 

For GPU-optimized flavors, a virtual graphics chip is added to the base resources. The virtualized graphics CPU pool is based on NVidia M60 cards. These flavors are particularly suitable for all applications that need to process images and moving images. Such instances are also generally used for cryptographic applications. Three flavors (8, 16, 32 vCPU) use GPU pass-through. All 2048 signal processors are used by one, two or four GPUs for a unique performance experience.

For disk-intensive flavors, local disks are added to the base resources. Instances of 1.8 TB disk space from a special pool are provided. By default, SR-IOV (Single Root I/O Virtualization) is used to achieve a bandwidth of 10 GB. These flavors are used when large amounts of data have to be transferred and processed, for example in big data analyses with a focus on Hadoop/MapReduce.

Large memory flavors address in-memory/SAP HANA scenarios. Extensive RAM resources of up to 940 TB are provided, as the data is processed in RAM during in-memory computing. Massive Memory Flavors use Intel® Xeon® E7-8880 processes. Here too, SR-IOV (Single Root I/O Virtualization) is used as standard.

With the FPGA flavor, the Open Telekom Cloud offers a server type that achieves immense performance gains for special application scenarios with hardware-related programming. Currently the FPGA flavor is available in a beta mode for interested users.

More information on the workspace Flavors is available under Workspace Service in the Services section. 

The ECS service is offered in three different price models: the Elastic model is charged on an hourly basis, with the Reserved model, the user books VMs for at least 12 months and receives a discount. In the simple Reserved model, the user pays fixed monthly installments, with payment of the full amount in advance (Reserved Upfront), he receives an additional discount.


Find out more

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0800 33 04477 from Germany
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* Voucher can be redeemed until June 30, 2020. Please contact us when using the voucher for booking. The discount is only valid for customers with a billing address in Germany and expires two months after conclusion of the contract. The credit is deducted according to the valid list prices as per the service description. Payment of the credit in cash is excluded.


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