The TOPs
A family of specialist guides for understanding IT, from the first question to architecture decisions.
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TOP Infra
TOP Infra
Understand what happens beneath the application, without unnecessary jargon.
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I type a URL. What happens next?
Follow TOP Infra from the address bar to the page: DNS, connections, HTTPS, HTTP and browser rendering, with a small experiment.
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Every article — 53
The full back catalogue remains available, with or without a TOP.
What's new in VCF 9.1.1: the Day-2 release
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FinOps cost models: what AWS, Azure and GCP bill — and what VCF calculates
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Network policies and Cilium: building a defensible default-deny
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Kubernetes RBAC: the foundations, and the pitfalls that survive an audit
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