docs/report/introduction/methodology_aws/aws_instances.rst

   1 AWS Performance Testbeds
   2 ------------------------
   3
   4 CSIT implements two virtual machine topology types running in AWS EC2:
   5
   6 - **2-Node Topology**: Consists of one EC2 instance as a System Under
   7   Test (SUT) and one EC2 instance acting as a Traffic Generator
   8   (TG), with both instances connected into a ring topology. Used for
   9   executing tests that require frame encapsulations supported by TG.
  10
  11 - **3-Node Topology**: Consists of two EC2 instances acting as a Systems
  12   Under Test (SUTs) and one EC2 instance acting as a Traffic Generator
  13   (TG), with all instances connected into a ring topology. Used for
  14   executing tests that require frame encapsulations not supported by TG
  15   e.g. certain overlay tunnel encapsulations and IPsec.
  16
  17 AWS EC2 Instances
  18 -----------------
  19
  20 CSIT is using AWS EC2 C5n instances as System Under Test and TG virtual
  21 machines. C5n instances got selected to take advantage of high network
  22 throughput and packet rate performance. C5n instances offer up to 100
  23 Gbps network bandwidth and increased memory over comparable C5
  24 instances. For more information, see
  25 `Instance types <https://aws.amazon.com/ec2/instance-types/>`_.
  26
  27 C5n features:
  28
  29 - 3.0 GHz Intel Xeon Platinum (Skylake) processors with Intel AVX-512
  30   instructions.
  31 - Sustained all core Turbo frequency of up to 3.4GHz, and single core
  32   turbo frequency of up to 3.5 GHz.
  33 - Requires HVM AMIs (Amazon Machine Images) that include drivers for ENA
  34   and NVMe. See :ref:`csit_ami` for more information.
  35 - Network bandwidth to up to 100 Gbps.
  36 - Powered by the AWS Nitro System, a combination of dedicated hardware
  37   and lightweight hypervisor.
  38
  39 +-------------+------+--------------+------------------------+-----------------------------+----------------------+
  40 | Model       | vCPU | Memory (GiB) | Instance Storage (GiB) | Network Bandwidth (Gbps)*** | EBS Bandwidth (Mbps) |
  41 +=============+======+==============+========================+=============================+======================+
  42 |c5n.large    |    2 |         5.25 |        EBS-Only        |                    Up to 25 |          Up to 4,750 |
  43 +-------------+------+--------------+------------------------+-----------------------------+----------------------+
  44 |c5n.xlarge   |    4 |        10.5  |        EBS-Only        |                    Up to 25 |          Up to 4,750 |
  45 +-------------+------+--------------+------------------------+-----------------------------+----------------------+
  46 |c5n.2xlarge  |    8 |        21    |        EBS-Only        |                    Up to 25 |          Up to 4,750 |
  47 +-------------+------+--------------+------------------------+-----------------------------+----------------------+
  48 |c5n.4xlarge  |   16 |        42    |        EBS-Only        |                    Up to 25 |                4,750 |
  49 +-------------+------+--------------+------------------------+-----------------------------+----------------------+
  50 |c5n.9xlarge  |   36 |        96    |        EBS-Only        |                          50 |                9,500 |
  51 +-------------+------+--------------+------------------------+-----------------------------+----------------------+
  52 |c5n.18xlarge |   72 |       192    |        EBS-Only        |                         100 |               19,000 |
  53 +-------------+------+--------------+------------------------+-----------------------------+----------------------+
  54 |c5n.metal    |   72 |       192    |        EBS-Only        |                         100 |               19,000 |
  55 +-------------+------+--------------+------------------------+-----------------------------+----------------------+
  56
  57 CSIT is configured by default to use `c5n.4xlarge` in `eu-central-1` AWS
  58 region due to allocation stability issues with `c5n.9xlarge` in
  59 `eu-central-1` region.
  60
  61
  62 AWS EC2 Networking
  63 ------------------
  64
  65 CSIT EC2 instances are equipped with AWS Elastic Network Adapter
  66 (ENA) supporting AWS enhanced networking. Enhanced networking uses
  67 single root I/O virtualization (SR-IOV) to provide high-performance
  68 networking capabilities. For more information, see
  69 `Elastic Network Adapter <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html>`_.
  70
  71 For more information about the current advertised AWS ENA performance
  72 limits, see
  73 `Computed optimized instances <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/compute-optimized-instances.html>`_.
  74
  75 CSIT DUTs make use of AWS ENA DPDK driver supplied by AWS and specified
  76 in
  77 `amzn drivers dpdk <https://github.com/amzn/amzn-drivers/tree/master/userspace/dpdk>`_.