research: establish global network address book baseline

docs/03-taxonomy.md

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+# Taxonomy
+
+The Internet is decentralized, so this repository classifies entities by function rather than pretending there is one chain of command.
+
+| Category | Definition | Typical examples |
+|---|---|---|
+| `governance-identifiers` | Coordination of names, protocol parameters, IP/AS number systems, or multistakeholder policy | ICANN, IANA, NRO |
+| `standards` | Open technical or telecommunications standards development | IETF, W3C, ITU |
+| `registry` | Regional allocation/registration of IP addresses and autonomous-system numbers | AFRINIC, APNIC, ARIN, LACNIC, RIPE NCC |
+| `dns` | DNS root operations, research, and operational coordination | Root Server System, DNS-OARC |
+| `interconnection` | Public directories or associations for peering and Internet exchanges | PeeringDB, Euro-IX, IX-F |
+| `routing-security` | Routing hygiene, routing visibility, or routing-security coordination | MANRS, Route Views, RIPE RIS |
+| `incident-response` | Trusted communities and directories for CSIRT/CERT coordination | FIRST, Trusted Introducer |
+| `physical-infrastructure` | Public sources describing long-haul physical connectivity | TeleGeography Submarine Cable Map |
+| `operator-community` | Communities where network operators exchange operational practice | NANOG and future regional NOGs |
+
+## Geographic scope
+
+Use `global`, a named service region, or `regional-community`. Regional scope describes service responsibility, not headquarters location.
+
+## Stable identifiers
+
+`id` values are lowercase kebab-case and should survive branding changes where practical. Names and URLs may change; IDs should not be recycled.