http://www.rfc-editor.org/rfc/rfc8283.txt
RFC 8283: An Architecture for Use of PCE and the PCE Communication Protocol (PCEP) in a Network with Central Control, A. Farrel, Q. Zhao, Z. Li, C. Zhou2017-12-01T23:00:00-00:00This document does not describe use cases in detail and does not define protocol extensions: that work is left for other documents.