Glossary of Terms


Physical Bare-metal Server

Compute Node

Server which runs the hypervisor the customer instance lives on

Infrastructure Node

Command and Control (control plane) of the Cloud, these servers are what run the cloud and carry network traffic between instances.

Storage Node

Bare-metal server where customer instance data is stored. High capacity servers with a large number of SSDs, Storage nodes are grouped into storage clusters. SSDs are managed by an OSD.

Bare-metal server

A physical server that is used by one customer. Each server offered for rental is a distinct physical piece of hardware that is a functional server on its own. They are not virtual servers running under a hypervisor in multiple pieces of shared hardware. Future cloud services will allow customers to book bare-metal servers via the OpenStack Ironic service.

Storage Cluster

A group of Storage Servers which is Highly Available and Redundant providing storage services to a Cloud Region.


Virtual Machine running on a Compute Node. Instances have many sizes. Instances are billed by the hour.


Physical Processor in a Compute node, can be made by Intel or AMD, OneQode uses both. OneQode uses CPUs which balance the highest possible Core count whilst still not performing below 3.7 Gigahertz (3.7Ghz).


A physical core on the CPU of the Compute node.


Virtual Components of a CPU Core. CPUs allow 2 threads per core. Threads are reserved for customers as a vCPU.


Threads assigned to a customer Instance

Node Memory

RAM installed in a physical node

Instance Memory

RAM assigned to a customer Instance


Software that runs on the compute node and runs/controls the customer virtual machines

OSD Node

A storage node without the control plane, contributing only disk space to a Storage Cluster.

Control Plane

A collection of highly available services responsible for provisioning, controlling and monitoring its assigned workload - ie storage, infrastructure

Cloud Region

A top level geographic area - ie a city

Availability Zone (AZ)

Collections of aggregate groups in a failure zone

Failure Zone

A Sub-Zone of a Cloud region, allows OneQode to offer Highly Available and Redundant services within a cloud region.

Aggregate Group

Groupings of compute, disk images and networking resources


Software that allows customers to programmatically allocate and use OneQode Cloud resources, originally developed by google to manage in house resources.


OpenStack’s single source of authentication and access control for end users. This service is critical to cloud operations.


Public facing web server responsible for forwarding HTTP/API requests to the cloud and balancing the requests between servers and keeping track of failed servers to no longer forward requests

Instance Storage/Volumes

Instance data that is contained inside a file on the Storage Cluster.


Official Images

Images provided upstream by the official maintainers of the operating system (supported)

Community Images

Images provided by a third party community member, provided for convenience to customers but unsupported

Customer Images

Variants of official or community images maintained by the customer with their own customisations


An interface for customers to interact with the OneQode cloud via programmable software such as Kubernetes.

OneQode Cloud

A private (soon to be public) cloud service operated by OneQode which allows customers to access high performance, on demand compute resources to run applications on.


An open source cloud framework that forms the core of the software that runs the OneQode Cloud.

Tenant Network

A private virtual network within OneQode cloud that customers can use for internal communications between instances.

Cloud Router

A virtual router that customers can use to allow instances on a Tenant Network to access the internet via NAT.

Public Network

The Public Networks assign Internet Routable IP addresses to Customer Instances making them reachable on the internet.


Network Address translation. Allows multiple servers to operate behind a single Public Internet Routable IP.

Floating IP

instances are expected to be ephemeral, if keeping the address consistent is required by the client, we offer floating ips they can retain and assign to the instance of their choice

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