UKCloud Glossary

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z


A

Assured OFFICIAL

A security domain on the UKCloud platform that provides access to public networks, such as the internet, PSN Assured, N3 or Janet.

See also: OFFICIAL, OFFICIAL SENSITIVE

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B

Basic Managed VM

A UKCloud IaaS service that provides routine operating system management, such as:

  • Initial deployment of standardised Windows and Linux VMs
  • Initial configuration of common operating system parameters, such as IP addresses and disk volumes
  • Provision of critical core operating system security patches
  • Rebooting of non-responding operating systems, and backup and recovery of VM images

For more information, please contact us.

Blueprints

Blueprints are technical support documents which explain how to do something on our platform.

For more information see the Blueprints webpage.

Bring Your Own Firewall (BYOF)

An Enterprise Compute Cloud service option that enables you to customise your networking infrastructure by installing your own virtual firewall appliance.

For more information, see the Enterprise Compute Cloud webpage.

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C

Cloud Architect

A UKCloud Pre-Sales role aimed at helping you design your cloud solution so that you can get the best out of the UKCloud platform.

Cloud Credits

A UKCloud purchase scheme whereby you can purchase Cloud Credits upfront and redeem them against UKCloud services over a maximum two‑year period. This enables you to effectively commit your CAPEX or budget spend in advance, with monthly usage deducted from the balance until depleted.

Cloud Enablement

A UKCloud enablement service that provides basic facilities for your own hardware installed in one of our data centres solely for the purpose of utilising our cloud.

Cloud GPU

A UKCloud IaaS service that enables you to supplement your on-platform compute resources with GPU capabilities that help meet specialist requirements of advanced applications, such as visualisation workloads or large-scale mathematical modelling.

Cloud Native Application Platform

A UKCloud PaaS service that delivers a secure, private deployment of OpenShift or Cloud Foundry deployed on an assured, trusted platform connected to the internet and to public sector networks including N3 and Janet.

Cloud Native Infrastructure

A UKCloud IaaS service that provides a cloud platform specifically designed around the needs of digital communities, and engineered to facilitate true cloud-native applications. Our Cloud Native Infrastructure service is powered by OpenStack.

For more information, see the Cloud Native Infrastructure webpage.

Cloud Storage

A UKCloud IaaS service that provides a secure and highly adaptable storage platform, based on object storage technology and natively optimised for cloud storage in terms of scale, resilience and accessibility.

For more information, see the Cloud Storage webpage.

Compute Intensive Infrastructure

A UKCloud IaaS service that provides a single-tenant compute infrastructure specifically designed for large-scale, compute-intensive workloads with requirements for large amounts of processor cores and memory.

For more information, see the Compute Intensive Infrastructure webpage.

Compute service

An Enterprise Compute Cloud top-level container within a customer account that includes a vCloud Director organization and its VDCs, catalogues, users and resources.

For more information, see the Enterprise Compute Cloud webpage.

Cross Domain Security Zone (CDSZ)

A UKCloud IaaS service that provides the ability to securely transfer data between our Assured OFFICIAL and Elevated OFFICIAL security domains using NCSC-approved cross-domain security patterns and our Secure Remote Access service.

For more information, see the Cross Domain Security Zone webpage.

See also: UKCloud Guard, Walled Garden, Secure Remote Access (SRA)

Customer Sucess Manager (CSM)

A UKCloud Customer Services role aimed at providing you with any assistance you require during onboarding and the first 90 days of using a UKCloud service.

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D

Datasheet 

Old term for Factsheet, designed to give readers a summarised description of the service including what can be achieved, with use cases and/or technical features.

See also: Factsheet

For more information, see the Factsheets webpage.

Data Transfer Facility (DTF)

A UKCloud enablement service that enables you to use the secure network connections to manage systems or transfer data into or out of your environments.

See also: Mass Transfer Facility (MTF)

Dedicated Compute

A UKCloud service option that enables you to have a reserved, single-tenanted section of our cloud, provisioned for your sole use, where the physical CPU and RAM allocations are known. This is useful if you need to run abnormal VM sizes, meet specific software licencing requirements or have increased security requirements.

For more information, see the Enterprise Compute Cloud webpage.

Note the difference between Dedicated Compute, which is run within our multi-tenanted environment, and Private Cloud – Compute, which is a single-tenant environment run on independent infrastructure, providing a private cloud environment.

See also: Private Cloud – Compute

Digital Marketplace

The Digital Marketplace is the online platform that all public sector organisations can use to find and buy cloud-based services (for example, web hosting or site analytics)

For more information see the Digital Marketplace website.

Disaster Recovery to the Cloud

A UKCloud IaaS service that provides a secure, scalable disaster recovery platform where you can replicate data and VMs and instantiate them when a DR scenario is invoked.

For more information, see the Disaster Recovery to the Cloud webpage.

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E

Elevated OFFICIAL

A security domain on the UKCloud platform that provides secure access to restricted networks such as PSN Protected.

See also: OFFICIAL, OFFICIAL SENSITIVE

Email and Collaboration as a Service

A UKCloud SaaS service that provides a range of productivity tools, such as email, calendaring and file sharing. Accessible via mobile and desktop devices, that help you work securely, efficiently and effectively.

For more information, see the Email and Collaboration as a Service webpage.

Enterprise Compute Cloud

A UKCloud IaaS service that provides a compute infrastructure specifically designed to deliver traditional enterprise applications in the cloud.

For more information, see the Enterprise Compute Cloud webpage.

Enterprise Compute Cloud for Oracle

A UKCloud IaaS service that provides a compute infrastructure that is fully compliant with the compatibility and licensing requirements of Oracle-based enterprise applications.

For more information, see the Enterprise Compute Cloud – Oracle webpage.

Ephemeral storage

A Cloud Native Infrastructure storage option that exists only as long as the associated OpenStack instance exists.

See also Persistent storage

ESSENTIAL VM

An Enterprise Compute Cloud VM type that may have contended resource allocation. Automated rebalancing is enabled to ensure the workload receives the requested performance.

For more information, see the Enterprise Compute Cloud webpage.

See also: POWER VM, PRIORITY VM

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F

Factsheet

New name for Datasheets, designed to give readers a summarised description of the service including what can be achieved, with use cases and/or technical features.

For more information, see the Factsheets webpage.

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G

Geo-resilient storage

A storage solution used with UKCloud’s synchronous protection option that replicates storage across a SAN that spans both UKCloud sites.

See also: synchronous protection

G-Cloud – The G-Cloud framework is an OJEU compliant route to market for you to source commoditised cloud  services, and cloud support services. The framework is regularly refreshed so you can access the most up to date, innovative cloud solutions.

For more information, see the Digital Marketplace Website

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H

Hadoop in the Cloud

A UKCloud PaaS service that provides a dedicated and optimised big data platform.

For more information, see the Hadoop in the Cloud webpage.

Health and Social Care Network (HSCN)

The replacement for the current N3 network.

See also: N3

HybridConnect

A UKCloud connectivity option that makes it easy for you to connect to hybrid clouds by securely connecting to the UKCloud assured cloud platform and supports a variety of flexible private connectivity options enabling hybrid topologies. You can also use HybridConnect in conjunction with our Cloud Enablement service to add, for example, an encryption device or switch.

Hypervisor

Software layer on top of the physical infrastructure that enables the virtualisation of the physical resources.

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I

Impact Level 2 (IL2)

An historic data classification category to indicate the potential impact of a security breach (0 being no impact and 6 being severe impact).

See also: Assured OFFICIAL

Impact Level 3 (IL3)

An historic data classification category to indicate the potential impact of a security breach (0 being no impact and 6 being severe impact).

See also: Elevated OFFICIAL

Infrastructure as a service – The capability provided to the consumer is to provision processing, storage, networks, and other fundamental computing resources where the consumer is able to deploy and run arbitrary software, which can include operating systems and applications. The consumer does not manage or control the underlying cloud infrastructure but has control over operating systems, storage, deployed applications, and possibly limited control of select networking components (for example, host firewalls).

For more information, see the Infrastructure as a Service webpage.

Instance

A customer provisioned compute resource within OpenStack, similar to the Virtual Machine concept within VMware.

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J

Janet

The UK’s research and education network, used by education organisations and research councils. One of UKCloud’s connectivity options, available on the Assured OFFICIAL security domain.

Journaling protection

An Enterprise Compute Cloud protection option that protects your VMs by storing all write operations to the VM in a journal on a separate UKCloud site.

For more information, see the Enterprise Compute Cloud webpage.

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K

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L

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M

Mass Transfer Facility (MTF)

A UKCloud enablement service that enables you to move virtualised environments, in the form of VMs, into your UKCloud environment using either your own hard disk drives (HDDs) or network attached storage (NAS) device.

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N

N3

The NHS National Network, used by all health and social care organisations nationwide. One of UKCloud’s connectivity options, available on the Assured OFFICIAL security domain.

See also: HSCN

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O

OFFICIAL

A Government Security Classification Policy (GSCP) data classification indicating data that is not subject to any special risks, such as personal data.

OFFICIAL SENSITIVE

OFFICAL data that requires specific handling to mitigate risk. Security measures required for the data will depend on the specific risks associated with that data.

Optimised Storage

Formerly provided an enhanced performance profile, now called tier 1 storage.

See also: tier 1 storage

Oracle

An organisation offering cloud applications, platform services, and engineered systems. Enterprise Compute Cloud for Oracle is a UKCloud product providing customers with configurable self-service Infrastructure as a Service powered by Oracle VM technology.

For more information: UKCloud and Oracle

OpenStack

OpenStack software controls large pools of compute, storage, and networking resources throughout a data centre, managed through a dashboard or via the OpenStack API. Cloud Native Infrastructure is a UKCloud service that provides a full suite of modern, highly scalable and flexible IaaS services that address the needs of DevOps and WebOps communities.

For more information: UKCloud and OpenStack

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P

Persistent storage

A Cloud Native Infrastructure block storage option that is always available, regardless of the state of the instance.

See also: Instance

For more information, see the OpenStack webpage.

Platform as a service

The capability provided to the consumer is to deploy onto the cloud infrastructure consumer-created or acquired applications created using programming languages, libraries, services, and tools supported by the provider. The consumer does not manage or control the underlying cloud infrastructure including network, servers, operating systems, or storage, but has control over the deployed applications and possibly configuration settings for the application-hosting environment.

Source 

For more information, see the Platform as a service webpage.

POWER VM

An Enterprise Compute Cloud VM type with uncontended compute resource allocation (CPU/RAM). Automated balancing is enabled to pre-emptively optimise performance and availability.

For more information, see the Enterprise Compute Cloud webpage.

See also: ESSENTIAL VM, PRIORITY VM

PRIORITY VM

An Enterprise Compute Cloud VM type with uncontended compute resource allocation (CPU/RAM). Automated rebalancing is configured to reduce workload movement around the platform, reducing workload disruption.

For more information, see the Enterprise Compute Cloud webpage.

See also: ESSENTIAL VM, POWER VM

Private Cloud – Compute

A UKCloud IaaS service that provides a totally isolated, single‑tenant compute infrastructure, either in one of our sites or in a Crown Hosting Data Centre (CHDC).

For more information, see the Private Cloud – Compute webpage.

Note the difference between Dedicated Compute, which is run within our multi-tenanted environment, and Private Cloud – Compute, which is a single-tenant environment run on independent infrastructure, providing a private cloud environment.

See also: Dedicated Compute

Private Cloud – Storage

A UKCloud IaaS service that provides single-tenant storage infrastructure on your own hardware, either in one of our sites or in a Crown Hosting Data Centre (CHDC).

For more information, see the Private Cloud – Storage webpage.

PSN

The Public Services Network, comprising:

  • PSN Assured — The general purpose unencrypted PSN, used by most central, local and devolved government organisations. One of UKCloud’s connectivity options, available on the Assured OFFICIAL security domain.
  • PSN Protected — The encrypted, higher security PSN, used by legacy IL3 networks including GSI, PNN, CJX, GSE, GSX and others. One of UKCloud’s connectivity options, available on the Elevated OFFICIAL security domain.

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Q

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R

RLI

A high-security network for defence and industry partners. One of UKCloud’s connectivity options. Connection to RLI is subject to vetting and approval from the MOD.

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S

Secure Remote Access (SRA)

A UKCloud IaaS service that provides a secure internet connection to our Elevated OFFICIAL security domain using NCSC-approved VPN technologies and the walled garden architectural pattern using bastion hosts.

For more information, see the Secure Remote Access webpage.

See also: Cross Domain Security Zone (CDSZ)

Smart Hands

A UKCloud enablement service that you can use for activities that require physical interaction with components in a data centre, such as physical “push-button” tasks, replacing hardware or checking equipment status.

Snapshot protection

An Enterprise Compute Cloud protection option that provides a daily backup of your VMs.

For more information, see the Enterprise Compute Cloud webpage.

Software as a Service

The capability provided to the consumer is to use the provider’s applications running on a cloud infrastructure. The applications are accessible from various client devices through either a thin client interface, such as a web browser (for example, web-based email), or a program interface. The consumer does not manage or control the underlying cloud infrastructure including network, servers, operating systems, storage, or even individual application capabilities, with the possible exception of limited user specific application configuration settings.

For more information, see the Software as a Service webpage

Source

Standard storage

Formerly Scalable storage used by the Compute services, now called Tier 2 storage.

See also: tier 2 storage

Synchronous protection

An Enterprise Compute Cloud protection option that provides geographical protection of your live environments across our sites by synchronously replicating VMs between sites.

For more information, see the Enterprise Compute Cloud webpage.

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T

Technical Account Manager (TAM)

A UKCloud Customer Services role aimed at providing you with an assigned point of contact after the first 90 days with a service.

See also: CSM

Tier 1 storage

Fast block storage, optimised for data warehouses, busy transactional databases and other high IO workloads.
See also: Optimised Storage

Tier 2 storage

General all-purpose block storage, providing a balance of performance and cost.
See also: Optimised Storage

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U

UKCloud Guard

A Cross Domain Security Zone (CDSZ) service option that provides a secure, scalable managed solution that supports structured and inspectable HTTP-based data flows. This option provides an immediately available solution to support simple use cases, such as applications designed to make inspectable web services calls between the UKCloud security domains.

For more information, see the Cross Domain Security Zone webpage.

See also: Cross Domain Security Zone (CDSZ), Walled Garden

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V

Virtual data centre (VDC)

A container for VMs, where each VM has the same workload characteristics and access to the same resources, such as networking infrastructure, storage and external connectivity.

Virtual machine (VM)

Software that emulates the functionality of a physical computer, running an operating system and applications. Customers can define a VM’s resource requirements and the UKCloud platform optimises its placement to ensure it receives the requested resources.

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W

Walled Garden

A Cross Domain Security Zone (CDSZ) service option that provides you with self-service access to the CSDZ so that you can design, implement and manage your own walled garden, using technology and application services of your choice.

For more information, see the Cross Domain Security Zone webpage.

See also: Cross Domain Security Zone (CDSZ), UKCloud Guard

Whitepaper

These are marketing documents published to give a better insight into how our platform provides solutions and services.

For more information, see the Whitepaper webpage.

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X

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Y
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Z

Zerto

Market-leading on-platform replication and recovery tool used within UKCloud’s Disaster Recovery to the Cloud service.

See also: Disaster Recovery to the Cloud

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