@techreport{ietf-pce-topology-filter-01, number = {draft-ietf-pce-topology-filter-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-topology-filter/01/}, author = {Quan Xiong and Shaofu Peng and Vishnu Pavan Beeram and Tarek Saad and Mike Koldychev}, title = {{Path Computation Element Communication Protocol (PCEP) Extensions for Topology Filter}}, pagetotal = 23, year = 2026, month = may, day = 7, abstract = {A topology filter is a data construct that is used to filter network topologies. The Path Computation Element (PCE) MUST take into account the topology related constraints during the path computation. This document proposes a set of extensions for Path Computation Element Communication Protocol (PCEP) to support the topology filter.}, }