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G01-TS: No

Rationale

The selected routed Internet underlay retains conventional BGP global prefix reachability. A small endpoint routing table or partitioned tailnet discovery moves that dependency upstream rather than removing it.

Assessment method

Primary documentation, pinned source and explicit whole-stack inference

Source context

Tailscale bootstrap DNS, infrastructure requirements and RFC 4271

Outstanding qualification

Applies the same whole-stack Internet-underlay convention as IP and PRP-over-IP. It does not assert that every router holds a full table or that every possible private IP topology needs BGP. This does not decide G05 scalability.

Public sources

• https://www.rfc-editor.org/rfc/rfc4271.html#section-3.2
• https://raw.githubusercontent.com/tailscale/tailscale/566f89e0fb2aa4b2f1ebf98761e45e62aa5ef225/net/dnsfallback/dnsfallback.go
• https://tailscale.com/docs/reference/faq/firewall-ports
• https://www.rfc-editor.org/rfc/rfc4271.html#section-3.2

Editorial evidence references

The following identifiers refer to research records not included in this public package; they are not public links.

• round590.html
• round590-sources.json