A new Request for Comments is now available in online RFC libraries. RFC 8221 Title: Cryptographic Algorithm Implementation Requirements and Usage Guidance for Encapsulating Security Payload (ESP) and Authentication Header (AH) Author: P. Wouters, D. Migault, J. Mattsson, Y. Nir, T. Kivinen Status: Standards Track Stream: IETF Date: October 2017 Mailbox: pwouters@redhat.com, daniel.migault@ericsson.com, john.mattsson@ericsson.com, ynir.ietf@gmail.com, kivinen@iki.fi Pages: 15 Characters: 33610 Obsoletes: RFC 7321 I-D Tag: draft-ietf-ipsecme-rfc7321bis-06.txt URL: https://www.rfc-editor.org/info/rfc8221 DOI: 10.17487/RFC8221 This document replaces RFC 7321, "Cryptographic Algorithm Implementation Requirements and Usage Guidance for Encapsulating Security Payload (ESP) and Authentication Header (AH)". The goal of this document is to enable ESP and AH to benefit from cryptography that is up to date while making IPsec interoperable. This document is a product of the IP Security Maintenance and Extensions Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. 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