%% You should probably cite rfc6807 instead of this I-D. @techreport{ietf-pim-pop-count-06, number = {draft-ietf-pim-pop-count-06}, 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-pim-pop-count/06/}, author = {Dino Farinacci and Greg Shepherd and Stig Venaas and Yiqun Cai}, title = {{Population Count Extensions to PIM}}, pagetotal = 20, year = 2012, month = apr, day = 10, abstract = {This specification defines a method for providing multicast distribution-tree accounting data. Simple extensions to the PIM protocol allow a rough approximation of tree-based data in a scalable fashion.}, }