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RFC 6472 - Recommendation for Not Using AS_SET and AS_CONFED_SET in BGP

IETF (2011)

Abstract

This document recommends against the use of the AS_SET and AS_CONFED_SET types of the AS_PATH in BGPv4. This is done to simplify the design and implementation of BGP and to make the semantics of the originator of a route more clear. This will also simplify the design, implementation, and deployment of ongoing work in the Secure Inter-Domain Routing Working Group.

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