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draft-ietf-idr-deprecate-as-set-confed-set-01

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Deprecation of AS_SET and AS_CONFED_SET in BGP (Internet-Draft, 2019)

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Deprecation of AS_SET and AS_CONFED_SET in BGP

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https://datatracker.ietf.org/doc/html/draft-ietf-idr-deprecate-as-set-confed-set-01

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IETF Datatracker

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BCP 172 (i.e., RFC 6472) recommends not using AS_SET and AS_CONFED_SET in the Border Gateway Protocol. This document advances this recommendation to a standards requirement in BGP; it proscribes the use of the AS_SET and AS_CONFED_SET types of path segments in the AS_PATH. This is done to simplify the design and implementation of BGP and to make the semantics of the originator of a route clearer. This will also simplify the design, implementation, and deployment of various BGP security mechanisms. This document (if approved) updates RFC 4271 and RFC 5065 by eliminating AS_SET and AS_CONFED_SET types, and obsoletes RFC 6472.

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