{"draft":"draft-ietf-pcp-proxy-09","doc_id":"RFC7648","title":"Port Control Protocol (PCP) Proxy Function","authors":["S. Perreault","M. Boucadair","R. Penno","D. Wing","S. Cheshire"],"format":["ASCII","HTML"],"page_count":"14","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Port Control Protocol","abstract":"This document specifies a new Port Control Protocol (PCP) functional\r\nelement: the PCP proxy.  The PCP proxy relays PCP requests received\r\nfrom PCP clients to upstream PCP server(s).  A typical deployment\r\nusage of this function is to help establish successful PCP\r\ncommunications for PCP clients that cannot be configured with the\r\naddress of a PCP server located more than one hop away.","pub_date":"September 2015","keywords":["NAT","firewall","CGN","AFTR","NAT64","port forwarding","pinholing","port mapping","external IP address","discover port number","running a server behind NAT","NAT control","NAT cascading","DS-Lite","incoming connection","control outbound connection","referral","address referral","ALG offload","PCP client","PCP server"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC7648","errata_url":null}