feat(Docs): Add AWS methodology

[csit.git] / docs / report / introduction / methodology_aws / aws_instances.rst

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+AWS Instances
+-------------
+
+CSIT is using C5n instances for high compute applications that can take
+advantage of improved network throughput and packet rate performance. C5n
+instances offers up to 100 Gbps network bandwidth and increased memory over
+comparable C5 instances [aws_it]_.
+
+Features:
+
+- 3.0 GHz Intel Xeon Platinum processors with Intel Advanced Vector Extension
+  512 (AVX-512) instruction set.
+- Sustained all core Turbo frequency of up to 3.4GHz, and single core turbo
+  frequency of up to 3.5 GHz.
+- Requires HVM AMIs that include drivers for ENA and NVMe [aws_ena]_.
+- Network bandwidth increases to up to 100 Gbps, delivering increased
+  performance for network intensive applications.
+- Powered by the AWS Nitro System, a combination of dedicated hardware and
+  lightweight hypervisor.
+
++-------------+------+--------------+------------------------+-----------------------------+----------------------+
+| Model       | vCPU | Memory (GiB) | Instance Storage (GiB) | Network Bandwidth (Gbps)*** | EBS Bandwidth (Mbps) |
++=============+======+==============+========================+=============================+======================+
+|c5n.large    |    2 |         5.25 |        EBS-Only        |                    Up to 25 |          Up to 4,750 |
++-------------+------+--------------+------------------------+-----------------------------+----------------------+
+|c5n.xlarge   |    4 |        10.5  |        EBS-Only        |                    Up to 25 |          Up to 4,750 |
++-------------+------+--------------+------------------------+-----------------------------+----------------------+
+|c5n.2xlarge  |    8 |        21    |        EBS-Only        |                    Up to 25 |          Up to 4,750 |
++-------------+------+--------------+------------------------+-----------------------------+----------------------+
+|c5n.4xlarge  |   16 |        42    |        EBS-Only        |                    Up to 25 |                4,750 |
++-------------+------+--------------+------------------------+-----------------------------+----------------------+
+|c5n.9xlarge  |   36 |        96    |        EBS-Only        |                          50 |                9,500 |
++-------------+------+--------------+------------------------+-----------------------------+----------------------+
+|c5n.18xlarge |   72 |       192    |        EBS-Only        |                         100 |               19,000 |
++-------------+------+--------------+------------------------+-----------------------------+----------------------+
+|c5n.metal    |   72 |       192    |        EBS-Only        |                         100 |               19,000 |
++-------------+------+--------------+------------------------+-----------------------------+----------------------+
+
+CSIT is configured by default to use `c5n.4xlarge` in `eu-central-1` AWS region
+due to allocation stability issues with `c5n.9xlarge` in `eu-central-1` region.
+
+
+AWS Elastic Network Adapter (ENA)
+---------------------------------
+
+Enhanced networking uses single root I/O virtualization (SR-IOV) to provide
+high-performance networking capabilities on supported instance types. SR-IOV is
+a method of device virtualization that provides higher I/O performance and lower
+CPU utilization when compared to traditional virtualized network interfaces
+[aws_ena]_.
+
+Current advertised limits are captured in [aws_limits]_.
+
+Reference
+---------
+
+.. [aws_it] `Instance types <https://aws.amazon.com/ec2/instance-types/>`_
+.. [aws_ena] `Elastic Network Adapter <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html>`_
+.. [aws_limits] `<https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/compute-optimized-instances.html>`_
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