https://app.kbone.net/vault/rfc/docid/5109
RFC4684: Constrained Route Distribution for Border Gateway Protocol/MultiProtocol Label Switching (BGP/MPLS) Internet Protocol (IP) Virtual Private Networks (VPNs)
Network Working Group P. Marques Request for Comments: 4684 R. Bonica Updates: 4364 Juniper Networks Category: Standards Track L. Fang ...