Modern IT infrastructure, in five pillars
The framework I use to keep infrastructure sane: five pillars on four foundations, every component a CI wired to the rest.
Notebook
Networking × Governance
How anything reaches anything else — switching, routing, firewalls, segmentation. · Prove it — ownership, change control, audit trails.
Phase 0: read the house before you renovate
The first phase changes nothing. It just reads live state and proves how wrong the plan already was. Discovery is the cheapest phase and the most valuable.