%% You should probably cite draft-chen-pce-h-discovery-15 instead of this revision. @techreport{chen-pce-h-discovery-00, number = {draft-chen-pce-h-discovery-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-chen-pce-h-discovery/00/}, author = {Huaimo Chen and Mehmet Toy and Lei Liu and Zhenqiang Li}, title = {{Hierarchical PCE Discovery}}, pagetotal = 10, year = 2016, month = jul, day = 7, abstract = {This document presents extensions to the Path Computation Element Communication Protocol (PCEP) to discover parent child relations and the information on a parent and a child PCE in a hierarchical PCE system.}, }