https://app.knowbase.one/vault/rfc/docid/7765
RFC7152: Requirements for Metro Ethernet Forum (MEF) Ethernet-Tree (E-Tree) Support in Layer 2 Virtual Private Network (L2VPN)
Internet Engineering Task Force (IETF) R. Key, Ed. Request for Comments: 7152 S. Delord Category: Informational Telstra ISSN: 2070-1721 F. Jounay ...