%% You should probably cite rfc2117 instead of this I-D. @techreport{ietf-idmr-pim-sm-spec-09, number = {draft-ietf-idmr-pim-sm-spec-09}, 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-idmr-pim-sm-spec/09/}, author = {Dr. Steve E. Deering and Dr. Deborah Estrin and Ching-Gung Liu and Liming Wei and Puneet Sharma and Dave Thaler and Mark J. Handley and Ahmed Helmy and Van Jacobson and Dino Farinacci}, title = {{Protocol Independent Multicast-Sparse Mode (PIM-SM): Protocol Specification}}, pagetotal = 66, year = 1996, month = nov, day = 19, abstract = {This document describes a protocol for efficiently routing to multicast groups that may span wide-area (and inter-domain) internets. This memo defines an Experimental Protocol for the Internet community.}, }