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// version 2.0 — technical
Advanced
Reference

Full technical depth.
Specs, code, RFC references, diagrams.

CSMA/CD OSI 7-Layer CIDR BGP Path Selection OSPF LSA Types
# BGP best-path algorithm
if weight_highest: prefer
elif local_pref_highest: prefer
elif as_path_shortest: prefer
# ... 11 more steps
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Guide

Plain English + real-world analogies.
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✉️ OSI = sending a letter 🏠 IP = postal address ✈️ Hub-and-Spoke = airports
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CSMA/CD
Like a meeting room — listen before you speak
🏠
IP Addressing
Your computer's postal address
🗺️
Routing
GPS for your data packets
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