A new Request for Comments is now available in online RFC libraries. BCP 127 RFC 7857 Title: Updates to Network Address Translation (NAT) Behavioral Requirements Author: R. Penno, S. Perreault, M. Boucadair, Ed., S. Sivakumar, K. Naito Status: Best Current Practice Stream: IETF Date: April 2016 Mailbox: repenno@cisco.com, sperreault@jive.com, mohamed.boucadair@orange.com, ssenthil@cisco.com, k.naito@nttv6.jp Pages: 14 Characters: 29255 Updates: RFC 4787, RFC 5382, RFC 5508 See Also: BCP 127 I-D Tag: draft-ietf-tsvwg-behave-requirements-update-08.txt URL: https://www.rfc-editor.org/info/rfc7857 DOI: http://dx.doi.org/10.17487/RFC7857 This document clarifies and updates several requirements of RFCs 4787, 5382, and 5508 based on operational and development experience. The focus of this document is Network Address Translation from IPv4 to IPv4 (NAT44). This document updates RFCs 4787, 5382, and 5508. This document is a product of the Transport Area Working Group Working Group of the IETF. BCP: This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC