Azure Landing Zone
A scalable, secure, and fully governed Azure Landing Zone architecture built using infrastructure-as-code for enterprise adoption.
Architecture Topology
Figure 1.0: Conceptual Architecture Blueprint
1. What problem does this solve?
Enterprises moving to Azure often struggle with inconsistent governance, improper network topologies, and lack of centralized security guardrails, leading to isolated and unmanageable cloud silos.
Why is the traditional approach broken?
Historically, teams deploy Azure resources via ClickOps in the portal or through disjointed ARM templates. This results in overlapping IP spaces, exposed public endpoints, and non-compliant configurations that violate corporate policy.
2. How does MacroCloud solve it?
MacroCloud enforces a Hub-and-Spoke Landing Zone topology via parameterized Terraform modules. It automatically provisions the Management Group hierarchy, applies Azure Policies at the root level, and establishes a secure transit Hub VNet with Azure Firewall before vending spoke subscriptions to development teams.
3. Implementation Phases
This architecture is deployed via infrastructure-as-code following this exact sequence:
4. Operational Considerations & Risks
Operations
- Centralized Log Analytics workspace management
- Firewall rule lifecycle management
- IPAM (IP Address Management) for spoke VNets
Risks
- Reaching Azure subscription limits if not monitored
- Misconfigured routing tables disrupting Hub connectivity
- Overly restrictive Azure Policies breaking legacy workloads
Business Outcomes
- Zero compliance drift via Deny policies
- Isolated blast radius for workloads
- Automated subscription vending in under 5 minutes
Core Components
- Azure Virtual WAN / Hub VNet
- Azure Firewall Premium
- Log Analytics Workspace
- Azure Policy Definitions
- Management Groups