As suggested by https://mailarchive.ietf.org/arch/msg/ietf-announce/JKvBKTnlJAq8j-AGlZJHOhVRMfg, this RFC announcement is being resent. On Wed, Mar 09, 2016 at 12:21:44PM -0800, RFC Editor wrote: > A new Request for Comments is now available in online RFC libraries. > > > RFC 7721 > > Title: Security and Privacy Considerations for > IPv6 Address Generation Mechanisms > Author: A. Cooper, F. Gont, D. Thaler > Status: Informational > Stream: IETF > Date: March 2016 > Mailbox: alcoop@cisco.com, > fgont@si6networks.com, > dthaler@microsoft.com > Pages: 18 > Characters: 43381 > Updates/Obsoletes/SeeAlso: None > > I-D Tag: draft-ietf-6man-ipv6-address-generation-privacy-08.txt > > URL: https://www.rfc-editor.org/info/rfc7721 > > DOI: http://dx.doi.org/10.17487/RFC7721 > > This document discusses privacy and security considerations for > several IPv6 address generation mechanisms, both standardized and > non-standardized. It evaluates how different mechanisms mitigate > different threats and the trade-offs that implementors, developers, > and users face in choosing different addresses or address generation > mechanisms. > > This document is a product of the IPv6 Maintenance Working Group of the IETF. > > > INFORMATIONAL: This memo provides information for the Internet community. > It does not specify an Internet standard of any kind. 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 >