%% You should probably cite rfc9504 instead of this I-D. @techreport{ietf-pce-pcep-stateful-pce-gmpls-01, number = {draft-ietf-pce-pcep-stateful-pce-gmpls-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-ietf-pce-pcep-stateful-pce-gmpls/01/}, author = {Xian Zhang and Young Lee and Fatai Zhang and Ramon Casellas and Oscar Gonzalez de Dios and Zafar Ali}, title = {{Path Computation Element (PCE) Protocol Extensions for Stateful PCE Usage in GMPLS-controlled Networks}}, pagetotal = 15, year = 2014, month = jul, day = 4, abstract = {The Path Computation Element (PCE) facilitates Traffic Engineering (TE) based path calculation in large, multi-domain, multi-region, or multi-layer networks. {[}Stateful-PCE{]} provides the fundamental PCE communication Protocol (PCEP) extensions needed to support stateful PCE functions, without specifying the technology-specific extensions. This memo provides extensions required for PCEP so as to enable the usage of a stateful PCE capability in GMPLS-controlled networks.}, }