Protocol Action: 'Greasing the QUIC Bit' to Proposed Standard (draft-ietf-quic-bit-grease-04.txt)

The IESG <iesg-secretary@ietf.org> Wed, 13 July 2022 20:54 UTC

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From: The IESG <iesg-secretary@ietf.org>
To: IETF-Announce <ietf-announce@ietf.org>
Subject: Protocol Action: 'Greasing the QUIC Bit' to Proposed Standard (draft-ietf-quic-bit-grease-04.txt)
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Cc: The IESG <iesg@ietf.org>, Zaheduzzaman.Sarker@ericsson.com, draft-ietf-quic-bit-grease@ietf.org, lucaspardue.24.7@gmail.com, quic-chairs@ietf.org, quic@ietf.org, rfc-editor@rfc-editor.org
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Message-ID: <165774565534.31688.18012539596755376149@ietfa.amsl.com>
Date: Wed, 13 Jul 2022 13:54:15 -0700
Archived-At: <https://mailarchive.ietf.org/arch/msg/quic/4uNkYhg3z7kkfzOVunohuyMlY0w>

The IESG has approved the following document:
- 'Greasing the QUIC Bit'
  (draft-ietf-quic-bit-grease-04.txt) as Proposed Standard

This document is the product of the QUIC Working Group.

The IESG contact persons are Zaheduzzaman Sarker and Martin Duke.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-quic-bit-grease/





Technical Summary

   The "wire image" of QUIC packets is described in QUIC invariants (RFC 8999).
Little about this image is visible to passive observers. One field, the
so-called QUIC Bit, resides at the second-to-most significant bit of the first
byte of every QUIC packet. RFC 9000 requires the QUIC Bit to be set to a value
of 1, with the purpose being to allow QUIC traffic to be easily distinguisable
from some other UDP-based traffic when they share a UDP port. This document
defines a behavioural extension, negotiated using transport parameters, that
permits endpoints to use any value for this bit. The intention of this extension
is to exercise variation in the wire image (i.e, "Grease" the QUIC Bit) in order
to support future QUIC changes before systems ossify (see RFC 9170 for more
background).

Working Group Summary

   The document is succinct. During adoption and WGLC there was sufficient review
and no major issues were raised or incidents occurred. 

Document Quality

   The document is succinct and describes how to vary one bit, using
well-established mechanisms. There are several implementations of the grease bit
extension and several interoperable deployments deployed on the Internet.

Personnel

   Lucas Pardue is the document shepherd. Zaheduzzaman Sarker is the AD.

Protocol Action: 'Greasing the QUIC Bit' to Propo… The IESG