%% You should probably cite rfc6887 instead of this I-D. @techreport{ietf-pcp-base-23, number = {draft-ietf-pcp-base-23}, 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-pcp-base/23/}, author = {Stuart Cheshire and Mohamed Boucadair and Paul Selkirk and Dan Wing and Reinaldo Penno}, title = {{Port Control Protocol (PCP)}}, pagetotal = 93, year = 2012, month = feb, day = 10, abstract = {The Port Control Protocol allows an IPv6 or IPv4 host to control how incoming IPv6 or IPv4 packets are translated and forwarded by a network address translator (NAT) or simple firewall, and also allows a host to optimize its outgoing NAT keepalive messages.}, }