G-P10 · TOPIC · cloud-and-edge-systemsGCRI dossier · service level R0
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Topic dossier · Data and Compute

Cloud and edge systems

Computing now spans hyperscale cloud regions, national and private data centres, and processing at the edge of networks, near sensors and users. The arrangement decides latency, cost, control over data, resilience and dependence on a few providers. This page sets out how cloud and edge systems are organized and where they concentrate risk, how they are measured, and what evidence serves the public institutions choosing among them.

01In brief

The short answer.

Cloud and edge computing are arrangements that deliver computing from large provider data centres and from sites near where data are produced. For public institutions they bring capability along with concentration on a few providers, questions of data location and jurisdiction, and switching costs that need deliberate design.

02Geography

Connected activity in the contiguous United States.

For cloud and edge systems, in GCRI's spatial-intelligence reading, the map opens on night lights, true-colour imagery and population density with true colour from NASA GIBS, framed on the contiguous United States; every other NASA layer, live feed and forecast waits in the layer list.

The interactive map needs JavaScript; the layer list and sources are below.

Layers 3

Connected activity, for this page

Latest available

NASA GIBS / EOSDIS · ASTER GDEM (METI, NASA) · Blue Marble (NASA) · © OpenStreetMap contributors (ODbL) · Natural Earth

Loading the latest NASA imagery.

Drag to move. Ctrl or ⌘ and scroll, pinch or the buttons to zoom; hover for the values under the pointer; reset returns to the region.

For cloud and edge systems, in GCRI's spatial-intelligence reading, the map opens on night lights, true-colour imagery and population density with true colour from NASA GIBS, framed on the contiguous United States; every other NASA layer, live feed and forecast waits in the layer list.Satellite and model products as NASA publishes them, each with its own date; indicators, not assessments of any place; claim ceiling INTEGRATED.

Data: NASA GIBS · ASTER GDEM · Blue Marble · © OpenStreetMap contributors · Natural Earth · Copernicus Sentinel-2 L2A · NASA HLS S30Sources and licences

  • We acknowledge the use of imagery provided by services from NASA's Global Imagery Browse Services (GIBS), part of NASA's Earth Science Data and Information System (ESDIS). Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). NASA open data
  • We acknowledge the use of imagery provided by services from NASA's Global Imagery Browse Services (GIBS), part of NASA's Earth Science Data and Information System (ESDIS). Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). NASA open data
  • VIIRS Black Marble night-time lights, NASA Goddard Space Flight Center; distributed by the NASA Level-1 and Atmosphere Archive and Distribution System (LAADS DAAC); imagery via NASA GIBS. Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). NASA open data
  • VIIRS near-real-time products (flood, land surface temperature, snow cover, corrected reflectance), NASA LANCE; imagery via NASA GIBS. Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). NASA open data
  • Center for International Earth Science Information Network (CIESIN), Columbia University. 2018. Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 11. NASA Socioeconomic Data and Applications Center (SEDAC). Licensed under CC BY 4.0. Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). CC BY 4.0
  • MODIS land products (vegetation indices, gross primary production, land cover), NASA LP DAAC and LANCE; imagery via NASA GIBS. Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). NASA open data
  • ASTER GDEM is a product of METI and NASA (ASTER Global Digital Elevation Model V003, NASA LP DAAC); imagery via NASA GIBS. Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). NASA open data
  • Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com. Public domain
  • © OpenStreetMap contributors (ODbL), via NASA GIBS (coastlines, boundaries, roads and place names). Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). ODbL
  • Blue Marble, NASA Earth Observatory; imagery via NASA GIBS. Colours redrawn from the published colour map; values averaged into H3 cells where shown (modified). NASA open data
  • Context on the globe and flat map: coastlines, boundaries, roads and place names from NASA GIBS reference layers (OpenStreetMap data, ODbL, © OpenStreetMap contributors); Blue Marble imagery as an optional base; 3D terrain and the elevation read-out from the ASTER GDEM elevation colour index (5 m to 200 m classes, exaggerated for legibility). Boundaries are drawn as published and imply no position on any territory.
  • Globe: MapLibre GL JS 6.9.1, BSD-3-Clause, © MapLibre contributors.
  • Observed (EO): Copernicus Sentinel-2 L2A (contains modified Copernicus Sentinel data 2026), Microsoft Planetary Computer
  • Observed (EO): NASA HLS S30 (contains modified Copernicus Sentinel data 2026). We acknowledge the use of imagery provided by services from NASA's Global Imagery Browse Services (GIBS), part of NASA's Earth Science Data and Information System (ESDIS).
  • Optional layers (35 sources in the layer list: live, forecast, observed and context) print their provider credit on the map and here when switched on; forecasts are model output and derived indices are estimates.

Layers and dates

  • Night-time lights, daily: VIIRS Black Marble (VNP46A2), NASA LAADS DAAC · 12 Oct 2026
  • True colour: VIIRS NOAA-20 corrected reflectance, NASA LANCE · 13 Oct 2026
  • Population density, 2020: Population: CIESIN, Columbia University, Gridded Population of the World v4.11 (2018), NASA SEDAC, CC BY 4.0 · static
  • Land cover type (IGBP), yearly: MODIS Terra and Aqua land cover (MCD12Q1), NASA LP DAAC · 2024
  • Flood water, 3-day composite: VIIRS Global Flood Product, NASA LANCE · 14 Oct 2026
  • Enhanced vegetation index, rolling 8 days: MODIS Terra EVI, NASA LANCE · 13 Oct 2026

03The question

Cloud and edge systems: how the risk develops.

Hybrid, local and sovereign computing options. The dossier below sets out how the risk develops, what is measured, where the data come from, how it is modelled and who decides.

Mechanism

Scale concentrates in few providers

Economies of scale give a small number of providers most of the cloud market. Public bodies gain capability and inherit shared dependencies.

Mechanism

Location matters for law and latency

Where data are stored and processed affects which laws apply, who can compel access and how quickly services respond.

Mechanism

Edge computing brings processing closer

Processing at base stations, gateways and devices reduces latency and bandwidth, but adds many distributed systems to secure and maintain.

Mechanism

Switching is costly

Proprietary services, data egress charges and skills tie customers to providers. Portability and interoperability reduce lock-in but take deliberate design.

04Key terms

Terms used on this page.

Each term as this page uses it. Where a standard-setting body defines the term, the wording follows that body.

TermDefinition
Hyperscale cloudVery large cloud platforms operated by a few providers across many regions.
Data egressTransfer of data out of a provider's network, often charged.
PortabilityThe ability to move data and workloads between providers with limited effort.
05Indicators

What is measured, and how well.

Each indicator carries its unit, its cadence, the kind of source behind it and the evidence label a value would carry. No values are shown: a programme supplies them under its own authority.

IndicatorUnitCadenceSource typeLabel
Public sector workloads in cloudpercent of workloadsannualGovernment digital strategy reportingREPORTED
Cloud market share of largest providerspercentannualMarket studiesESTIMATED
Cloud regions per countrycountannualProvider documentationDECLARED
Workloads with tested exit planspercent of critical workloadsper assessmentExit plan recordsREPORTED
Data egress chargescurrency per gigabyteper changeProvider price listsDECLARED
Edge sites deployedcountannualOperator reportsREPORTED
06Canvas

From sources to decisions.

The topic as a computational graph: named sources feed the methods, an evidence review gates the outputs, and the decisions stay with the authorities that hold them.

Pipeline canvas · Cloud and edge systems as a run graphDesign, not a record
Cloud and edge systems: operational resilienceImportant business services are identified and impact tolerances set; people, processes, technology and third parties are mapped; severe but plausible scenarios test whether services stay within tolerance; vulnerabilities are remediated and the board self-assesses. Design of the process, not a record of a run.

Fig. 02Nodes carry their type, two metric rows and a state; connectors show what feeds what; dashed frames name the owners; the timeline is the cadence. Design of the pipeline, not a record of a run.

07Sources

Where the evidence comes from.

Named public datasets and institutional records, each with its licence class. Sources by agreement are used only under their terms and never republished.

SourceWhat it givesLicence class
Competition authority cloud market investigationsMarket structure, switching barriers and remediesPublic records, licence per authority
Provider region and service documentationLocations and services offeredPublic, terms per provider
Government cloud strategies and frameworksPublic sector cloud policies and procurementPublic records, licence per government
OECD digital economy reportsCloud adoption by firms and governmentsPublic, OECD terms
Eurostat cloud computing usage in enterprisesShare of enterprises using cloud servicesOpen, Eurostat reuse policy
08Decisions

Who decides, and what the evidence serves.

Data and Compute prepares evidence. The decisions below are taken by the authorities named, under their own rules, and never by the platform.

Who decidesThe questionEvidence this page serves
Government digital and procurement agenciesWhich workloads to move to cloud and under what termsDependency analyses; exit assessments
Competition and data protection authoritiesWhether market structure or data transfers need interventionMarket and jurisdiction evidence
Network operators and city authoritiesWhere edge computing serves public needsEdge trade-off studies

Outputs this topic produces

  • Cloud dependency and concentration analyses for public services
  • Data location and jurisdiction reviews
  • Exit and portability assessments
  • Edge deployment trade-off studies
09Core questions

What architects ask.

  • Which workloads and data must stay within a jurisdiction or under an institution's direct control?
  • What happens to a service if its cloud region, network link or provider becomes unavailable?
  • Which processing should happen at the edge to reduce latency, bandwidth or exposure of raw data?
  • How portable are workloads between providers, and what would moving cost?
  • Who is responsible for which security controls when a service spans an institution and one or more providers?
  • Can essential services keep running in a degraded mode if connectivity to the cloud is lost?
10Mechanisms

Trade-offs along the continuum.

No point on the continuum is best for everything. The same institution often runs sensitive records on its own systems, bursts large analyses to cloud, and processes sensor data at the edge. The risk lies less in any single choice than in dependencies that accumulate without anyone deciding on them.

Cloud

Scale and concentration

Elastic capacity and managed services, with dependence on a few large providers and their regions.

Local and national

Control and cost

Direct control and jurisdiction, with responsibility for operation, security and refresh.

Edge

Proximity

Low latency and local resilience, with challenges in management, security and power at many small sites.

11Methods and limits

How options are assessed.

  1. 01

    Workload placement analysis

    Matching requirements for performance, data residency and resilience to locations. Limits: requirements change and are often unclear at the start.

  2. 02

    Dependency and concentration mapping

    Identifying reliance on specific providers, regions and services. Limits: providers' internal dependencies are not fully visible.

  3. 03

    Security architecture

    Threat modelling and controls across the continuum, using cybersecurity and cryptography. Limits: shared responsibility models can leave gaps.

  4. 04

    Total cost analysis

    Comparing lifetime costs including staff, energy and exit. Limits: sensitive to assumptions about use and pricing.

13Questions

Questions and answers.

What is edge computing?
Processing data near where it is produced or used, such as on devices or at network sites, instead of in distant central data centres, to reduce latency and bandwidth.
What is cloud lock-in?
Dependence on one provider's services, data formats and pricing that makes switching to another costly or slow.
What is data residency?
The requirement or practice of storing and processing data within a particular country or region.
Is local computing more secure than cloud?
Not inherently. Security depends on how systems are designed and operated. Local systems give more control but also more responsibility.
What does data residency settle?
It fixes where data is stored. It does not by itself determine who can access it, which also depends on contracts, law and technical controls.
Does the platform operate edge systems?
No. It studies architectures and trade-offs.
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