https://app.knowbase.one/vault/rfc/docid/5173
RFC4736: Reoptimization of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Loosely Routed Label Switched Path (LSP)
Network Working Group JP. Vasseur, Ed. Request for Comments: 4736 Cisco Systems, Inc. Category: Informational Y. Ikejiri NTT Communications Corporation ...