BGP-CT
Incremental addition to BGP4
- Capability negotiation
- Tags carried in as multi-protocol NRLI extension
- Invalidate alternative paths if match tag (and other necessary conditions met)
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Details
- New state machine additions (temporary invalidation)
- Works with iBGP
- Implemented MRT and deployed on CAIRN
- Improves BGP convergence by an order of magnitude in most cases (in a few cases, behavior is worse)
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