The IESG has received a request from the Behavior Engineering for Hindrance Avoidance WG (behave) to consider the following document: - 'Common requirements for Carrier Grade NATs (CGNs)' <draft-ietf-behave-lsn-requirements-07.txt> as Best Current Practice The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2012-07-10. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract This document defines common requirements for Carrier-Grade NAT (CGN). It updates RFC 4787. The file can be obtained via http://datatracker.ietf.org/doc/draft-ietf-behave-lsn-requirements/ IESG discussion can be tracked via http://datatracker.ietf.org/doc/draft-ietf-behave-lsn-requirements/ballot/ The following IPR Declarations may be related to this I-D: http://datatracker.ietf.org/ipr/1648/