https://app.knowbase.one/vault/rfc/docid/6526
RFC6001: Generalized MPLS (GMPLS) Protocol Extensions for Multi-Layer and Multi-Region Networks (MLN/MRN)
Internet Engineering Task Force (IETF) D. Papadimitriou Request for Comments: 6001 M. Vigoureux Updates: 4202, 4203, 4206, 4874, 4974, 5307 Alcatel-Lucent Category: Standards Track K. Shiomoto IS...