Skip to content

Network Foundations

Designing the plumbing before you depend on it: address plans, segmentation, trust boundaries and the documentation that keeps a network understandable long after the person who built it has moved on.

Plan the Network Before You Carve It Up
Network Foundations

Plan the Network Before You Carve It Up

Most segmentation problems do not start with a bad subnet mask — they start when nobody decides what the address space is meant to become. How to group by function and trust, choose a parent block, size for growth, and keep the plan legible years later.

21 Aug 2026 · 15 min read