BGP ORIGIN attribute manipulation and its impact on the Internet
In-depth testing reveals that nearly 70% of BGP paths undergo ORIGIN attribute rewrites by transit providers, impacting global routing and suggesting the need to deprecate ORIGIN in route selection.
MAIN POINTS
- Nearly 70% of BGP paths experience ORIGIN attribute rewrites.
- Transit providers rewrite ORIGIN attributes for traffic advantages.
- The practice has a significant global impact on routing.
- Deprecating ORIGIN in route selection is recommended.
TAKEAWAYS
- ORIGIN attribute rewrites are prevalent in BGP path routing.
- Transit providers manipulate ORIGIN for competitive traffic benefits.
- Global routing efficiency is affected by ORIGIN rewrites.
- Reevaluating the role of ORIGIN in routing could improve network stability.