https://datatracker.ietf.org/doc/draft-lapukhov-bgp-opaque-signaling/
draft-lapukhov-bgp-opaque-signaling-04 - Use of BGP for Opaque Signaling
Border Gateway Protocol with multi-protocol extensions (MP-BGP) enables the use of the protocol for dissemination of virtually any information. This document...
draftbgpopaquesignalinguse