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Cloud Landing Zones Explained: Why Your Subscription Strategy Matters

Landing zones are how you keep a cloud tenant from becoming a mess. This episode walks through the CAF reference architecture, the management group hierarchy, and the policy-as-code pattern.

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Overview

A landing zone is the set of guardrails — networking, identity, policy, management — that every new workload inherits when it lands in your cloud. This episode explains the Cloud Adoption Framework landing zone, the management group hierarchy, and how policy-as-code stops drift.

Key takeaways

  • A landing zone is the set of inherited guardrails every new workload gets automatically
  • Management group hierarchy is the scaffolding — build it before you build workloads
  • Policy-as-code via Azure Policy / AWS SCPs / GCP Org Policy is the enforcement layer
  • Network topology (hub-spoke, Virtual WAN) is decided at landing zone design time, not after
  • Landing zones are versioned artefacts — updates follow a governed change-control process

Episode script

[OUTLINE — full script to be expanded before recording]

Open: why landing zones exist. The alternative is chaos.

Section 1 — Define a landing zone. Identity, network, policy, management, security baseline.

Section 2 — Management group hierarchy. Tenant root → platform / landing zones / sandbox → environment-specific.

Section 3 — Policy-as-code. Azure Policy initiatives, audit vs deny modes, how to roll out safely.

Section 4 — Network topology. Hub-spoke, Virtual WAN, when each makes sense.

Section 5 — The CAF enterprise-scale reference architecture. What it gives you, what it doesn't.

Section 6 — Landing zone versioning and change control. Why this matters.

Outro.

References