%% You should probably cite rfc6970 instead of this I-D. @techreport{ietf-pcp-upnp-igd-interworking-09, number = {draft-ietf-pcp-upnp-igd-interworking-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-pcp-upnp-igd-interworking/09/}, author = {Mohamed Boucadair and Reinaldo Penno and Dan Wing}, title = {{Universal Plug and Play (UPnP) Internet Gateway Device (IGD)-Port Control Protocol (PCP) Interworking Function}}, pagetotal = 22, year = 2013, month = apr, day = 24, abstract = {This document specifies the behavior of the UPnP IGD (Internet Gateway Device)/PCP Interworking Function. A UPnP IGD-PCP Interworking Function (IGD-PCP IWF) is required to be embedded in CP (Customer Premises) routers to allow for transparent NAT control in environments where UPnP IGD is used on the LAN side and PCP on the external side of the CP router.}, }