MODULE 06 · NETWORK CONNECTIVITY · ALY-DC-NET-001

405 MW on Scotland's fibre spine.

The flagship sits in the Tay valley with graded routes out in every direction: the Dundee metro ~24 km east (CityFibre/Openreach rings + a DC on the owner map), the Perth metro POP ~28 km south-west where the long-haul corridor turns for Edinburgh, the Edinburgh IXScotland / South Gyle cluster ~77 km south with Glasgow behind it, the Aberdeen Tampnet North landing ~91 km north-east carrying named reach to Norway, the Newcastle landing campus south (NO-UK + Havhingsten — outside the default frame), the SHEFA-2 North Atlantic system via Banff, and the star option: grid-route fibre (OPGW) on the Alyth 400/132 kV corridor the campus's own 900 MW tie connects to. Every feature below is graded to the evidence base; subsea landings and cable routes are TeleGeography's published geometry, everything else is indicative. The map now draws the onward routes beyond the far landings — Oslo (Azure Norway East), Amsterdam (AMS-IX), Frankfurt (DE-CIX) and US East via the Bude gateway — and flags the Nordic AI corridor (Nscale Narvik / Microsoft). Click any marker or line to inspect it · toggle layers above the map · zoom out (−) to see the Newcastle corridor, the Faroes reach, the London backbone and the new onward and Nordic arcs.
Campus 400/132 kV grid tie Metro / DC Subsea landing Named-system reach

Connectivity KPI Board

Alyth carries the largest IT load in the portfolio — 405 MW — on the same transmission corridor as the Coupar Angus cluster, so one connectivity position serves the flagship and its neighbours. Distances are computed (haversine, great-circle) from the campus datum to the evidence coordinates — subsea landing coordinates are TeleGeography's published points, all other coordinates are approximate/indicative, so read these as positioning figures, not route lengths.

Named-System Reach

The reach story rests on named, dated systems — not on adjacency hand-waving. Two independent Nordic directions (Aberdeen north, Newcastle south), a hyperscaler-owned continental system into Denmark, a North Atlantic branch via SHEFA-2, London over the east-coast terrestrial backbone, and transatlantic reach from the Bude gateway — plus grid-route fibre on the campus's own transmission corridor.
Status & provenance. Subsea landing coordinates and cable route geometry now come from TeleGeography's published GeoJSON dataset (submarinecablemap.com API v3), supplied by the owner 22 Aug 2026 and used under CC BY-NC-SA 3.0 with attribution to TeleGeography: Tampnet North, SHEFA-2, NO-UK, Havhingsten/North Sea Connect and the Newcastle landing carry exact published landing points and real route geometry, simplified for rendering — the published cable length, not the drawn line, remains the citable figure. All other features are sourced as before: owner-captured OpenGridWorks screenshots (fiber layer — data TeleGeography / PeeringDB / OpenStreetMap, captured 22 Aug 2026) plus owner-supplied submarinecablemap.com links; DC and landing-station status from PeeringDB/OSM as surfaced in those popups. Evidence grades are carried per feature — VERIFIED-SOURCE (published TeleGeography dataset or named detail page), VERIFIED-MAP (named popup in an owner screenshot), SEEN-MAP (feature visible, unnamed), REPORTED (public record, not yet confirmed on the map) — and the Dundee DC diamond's operator name remains pending an owner zoom capture. Map geometry for non-dataset features stays indicative: cluster centroids and corridor lines are positioning evidence, not engineering routes, and no connectivity commercial terms are yet negotiated — grid-route fibre (OPGW) availability on the Alyth 400/132 kV corridor is a carrier enquiry to Neos Networks (see docs/carrier-enquiry-template.md), and one enquiry covers the whole Perthshire cluster. Latency figures are modelled, not measured: straight-line distance × 1.35 route factor at 4.9 µs/km in glass, round trip — indicative of achievable fibre RTT, to be confirmed by carrier quotes. Basemap © Esri, HERE, Garmin, © OpenStreetMap contributors and the GIS user community (OpenStreetMap tiles shown if the Esri service is unavailable); cable data © TeleGeography (indicative).
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