$Id$ The master copy of the up-down protocol currently lives in a wiki at APNIC. A flat text mirror of this document can be found at: http://subvert-rpki.hactrn.net/wiki-mirror/text/mirin.apnic.net/resourcecerts/wiki/index.php/IR-ISP_Definition (ie, ../wiki-mirror/text/mirin.apnic.net/resourcecerts/wiki/index.php/IR-ISP_Definition within this repository).