https://app.knowbase.one/vault/rfc/docid/69
RFC8800: Path Computation Element Communication Protocol (PCEP) Extension for Label Switched Path (LSP) Diversity Constraint Signaling
Internet Engineering Task Force (IETF) S. Litkowski Request for Comments: 8800 Cisco Systems, Inc. Category: Standards Track S. Sivabalan ISSN: 2070-1721 Ciena Corporation ...