@techreport{chen-pce-h-connect-access-10, number = {draft-chen-pce-h-connect-access-10}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/html/draft-chen-pce-h-connect-access-10}, author = {Huaimo Chen and Mehmet Toy and Xufeng Liu and Lei Liu and Zhenqiang Li}, title = {{PCEP Link State Abstraction}}, pagetotal = 17, year = 2022, month = jan, day = 10, abstract = {This document presents extensions to the Path Computation Element Communication Protocol (PCEP) for a child PCE to abstract its domain information to its parent for supporting a hierarchical PCE system.}, }