@techreport{cmfg-pce-pcep-grammar-02, number = {draft-cmfg-pce-pcep-grammar-02}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-cmfg-pce-pcep-grammar/02/}, author = {Ramon Casellas and Cyril Margaria and Adrian Farrel and Oscar Gonzalez de Dios and Dhruv Dhody and Xian Zhang}, title = {{Current issues with existing RBNF notation for PCEP messages and extensions}}, pagetotal = 18, year = 2014, month = jan, day = 10, abstract = {The PCEP protocol has been defined in {[}RFC5440{]} and later extended in several RFCs. This document aims at documenting inconsistencies when implementing a set of extensions and at providing a reference, complete and formal RBNF grammar for PCEP messages, including object ordering and precedence rules.}, }