[CPU] How to calculate the specifications of an Oracle Cloud instance [Core License]

This is Ohara from the Technical Sales Department

This article
explains how to calculate
Oracle Cloud instance compares them with Amazon Web Service (AWS).
*This article uses IaaS as an example.

Oracle Cloud , please refer to the blog below.

Summary: Overview and Features of Oracle Cloud [Key Points]

First, compare the CPU units of "Amazon Web Service" and "Oracle Cloud"

Oracle Cloud uses an OCPU as its CPU unit, and
even though it is a cloud service, it is provided as a physical CPU.
For example, one physical CPU is calculated as 1 OCPU, and two physical CPUs are calculated as 2 OCPUs.

If Oracle Cloud has one OCPU (physical CPU), 

it is equivalent to twice the number of vCPUs (virtual CPUs) of Amazon Web Services (AWS)

■ Calculation example:
・Oracle Cloud: 1core (1 OCPU) = AWS: vCPU 2core
・Oracle Cloud: 2core (2 OCPU) = AWS: vCPU 4core
・Oracle Cloud: 4core (4 OCPU) = AWS: vCPU 8core

Even in the cloud, calculations are based on the "core license" method

First, for information about Oracle Cloud's IaaS pricing structure,
please refer to the official URL below.

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■ Oracle Software Licensing for Cloud Computing Environments
https://www.oracle.com/assets/cloud-lic-170290-ja.pdf
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For example, if you assume that a cloud environment requires a specification of 4 cores per instance,
then in AWS the calculation will be based on the specifications and performance of the vCPU, ECU, and core.

To meet the requirement of "4 core specifications per instance,"
Oracle Cloud requires the allocation and calculation of "2 core" core licenses.

■ Calculation example:
・AWS: Number of cores required for VM instance "EC2": vCPU: 4 cores
・Oracle Cloud: Number of cores required for VM instance "Virtual Machine": 2 cores (2 OCPUs)

Taking the VM instance "VM.Standard2.1"
listed on Oracle Cloud page if we calculate the cost for two core licenses, the formula would be as follows:

■ Oracle Cloud (VM instance) calculation example (approximate):
・VM.Standard2.1 (¥7.656 / 1H) x 744H x 2core = ¥11,392.128 / 1 instance fee (monthly)

Compare specifications and prices

, let's calculate the approximate specifications and usage
for both AWS and Oracle Cloud based on the following cloud environment implementation requirements

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・CPU: 4 cores
・MEM: 8GB
・HDD (storage): 1TB
・Data transfer volume (Out): 1TB or more
・OS: Windows Server

* In the Oracle Cloud environment,
"Windows Server OS" is also calculated using "core licenses."
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When calculating the specifications and usage fees based on these requirements,
the results are as shown in the table below.

* Machine startup time/month: 744H
* AWS: Tokyo region
* AWS: 110 yen/dollar equivalent

 summary

This time, we looked at the specs and price comparison between AWS and Oracle Cloud

you are a company that is planning to introduce cloud computing and
are comparing and considering both AWS and Oracle Cloud,
we hope you will find this article useful.

If you need cloud design, construction, operation, maintenance, or monitoring for
Oracle Cloud please contact Beyond 

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