http://www.rfc-editor.org/rfc/rfc8281.txt
RFC 8281: Path Computation Element Communication Protocol (PCEP) Extensions for PCE-Initiated LSP Setup in a Stateful PCE Model, E. Crabbe, I. Minei, S. Sivabalan, R. Varga2017-12-01T23:00:00-00:00The extensions for stateful PCE provide active control of Multiprotocol Label Switching (MPLS) Traffic Engineering Label Switched Paths (TE LSPs) via PCEP, for a model where the PCC delegates control over one or more locally configured LSPs to the PCE. This document describes the creation and deletion of PCE-initiated LSPs under the stateful PCE model.