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BGP Role model: tracking the adoption of RFC 9234

Technology · en

BGP Role model: tracking the adoption of RFC 9234

Cloudflare Blog · Official source · Aug 18, 2026, 3:21 PM UTC

RFC 9234 lets routers reject route leaks on their own, using BGP Roles and the Only to Customer attribute. We measured who has deployed it, and found two Tier 1 networks unexpectedly stripping OTC.