%% You should probably cite draft-ietf-pce-stateful-pce-optional instead of this I-D. @techreport{dhody-pce-stateful-pce-optional-01, number = {draft-dhody-pce-stateful-pce-optional-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-dhody-pce-stateful-pce-optional/01/}, author = {Dhruv Dhody and Stephane Litkowski}, title = {{Extension for Stateful PCE to allow Optional Processing of PCEP Objects.}}, pagetotal = 10, year = 2018, month = jun, day = 21, abstract = {This document introduces a mechanism to mark some Path Computation Element (PCE) Communication Protocol (PCEP) objects as optional during PCEP messages exchange for the Stateful PCE model to allow relaxing some constraints.}, }