Aggregation and Fragmentation Mode for Encapsulating Security Payload (ESP) and Its Use for IP Traffic Flow Security (IP-TFS)
draft-ietf-ipsecme-iptfs-19

Approval announcement
Draft of message to be sent after approval:

Announcement

From: The IESG <iesg-secretary@ietf.org>
To: IETF-Announce <ietf-announce@ietf.org>
Cc: The IESG <iesg@ietf.org>, draft-ietf-ipsecme-iptfs@ietf.org, ipsec@ietf.org, ipsecme-chairs@ietf.org, kivinen@iki.fi, rdd@cert.org, rfc-editor@rfc-editor.org
Subject: Protocol Action: 'IP-TFS: Aggregation and Fragmentation Mode for ESP and its Use for IP Traffic Flow Security' to Proposed Standard (draft-ietf-ipsecme-iptfs-19.txt)

The IESG has approved the following document:
- 'IP-TFS: Aggregation and Fragmentation Mode for ESP and its Use for IP
   Traffic Flow Security'
  (draft-ietf-ipsecme-iptfs-19.txt) as Proposed Standard

This document is the product of the IP Security Maintenance and Extensions
Working Group.

The IESG contact persons are Paul Wouters and Roman Danyliw.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-ipsecme-iptfs/

Ballot Text

Technical Summary

This document describes a mechanism for aggregation and fragmentation of IP
packets when they are being encapsulated in ESP payload. This new payload type
can be used for various purposes such as decreasing encapsulation overhead for
small IP packets; however, the focus in this document is to enhance IPsec
traffic flow security (IP-TFS) by adding Traffic Flow Confidentiality (TFC) to
encrypted IP encapsulated traffic. TFC is provided by obscuring the size and
frequency of IP traffic using a fixed-sized, constant-send-rate IPsec tunnel.
The solution allows for congestion control as well as non-constant send-rate
usage.

Working Group Summary

Various aspects of the document were discussed and debated, with multiple
revisions incorporating the results. There was no controversy though, and there
is good WG consensus.

Document Quality

At least one implementation will be open sourced, with interest by others in
implementing. There were multiple thorough reviews by experts in the WG.

Personnel

Document Shepherd: Tero Kivinen
Responsible Area Director: Roman Danyliw

RFC Editor Note