QUIC: A UDP-Based Multiplexed and Secure Transport
draft-ietf-quic-transport-11
QUIC J. Iyengar, Ed.
Internet-Draft Fastly
Intended status: Standards Track M. Thomson, Ed.
Expires: October 19, 2018 Mozilla
April 17, 2018
QUIC: A UDP-Based Multiplexed and Secure Transport
draft-ietf-quic-transport-11
Abstract
This document defines the core of the QUIC transport protocol. This
document describes connection establishment, packet format,
multiplexing and reliability. Accompanying documents describe the
cryptographic handshake and loss detection.
Note to Readers
Discussion of this draft takes place on the QUIC working group
mailing list (quic@ietf.org), which is archived at
https://mailarchive.ietf.org/arch/search/?email_list=quic [1].
Working Group information can be found at https://github.com/quicwg
[2]; source code and issues list for this draft can be found at
https://github.com/quicwg/base-drafts/labels/-transport [3].
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on October 19, 2018.
Iyengar & Thomson Expires October 19, 2018 [Page 1]
Internet-Draft QUIC Transport Protocol April 2018
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 5
2. Conventions and Definitions . . . . . . . . . . . . . . . . . 6
2.1. Notational Conventions . . . . . . . . . . . . . . . . . 6
3. Versions . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4. Packet Types and Formats . . . . . . . . . . . . . . . . . . 8
4.1. Long Header . . . . . . . . . . . . . . . . . . . . . . . 8
4.2. Short Header . . . . . . . . . . . . . . . . . . . . . . 10
4.3. Version Negotiation Packet . . . . . . . . . . . . . . . 12
4.4. Cryptographic Handshake Packets . . . . . . . . . . . . . 14
4.4.1. Initial Packet . . . . . . . . . . . . . . . . . . . 14
4.4.2. Retry Packet . . . . . . . . . . . . . . . . . . . . 15
4.4.3. Handshake Packet . . . . . . . . . . . . . . . . . . 16
4.5. Protected Packets . . . . . . . . . . . . . . . . . . . . 17
4.6. Coaslescing Packets . . . . . . . . . . . . . . . . . . . 17
4.7. Connection ID . . . . . . . . . . . . . . . . . . . . . . 18
4.8. Packet Numbers . . . . . . . . . . . . . . . . . . . . . 19
4.8.1. Initial Packet Number . . . . . . . . . . . . . . . . 20
5. Frames and Frame Types . . . . . . . . . . . . . . . . . . . 20
6. Life of a Connection . . . . . . . . . . . . . . . . . . . . 22
6.1. Matching Packets to Connections . . . . . . . . . . . . . 23
6.1.1. Client Packet Handling . . . . . . . . . . . . . . . 23
6.1.2. Server Packet Handling . . . . . . . . . . . . . . . 23
6.2. Version Negotiation . . . . . . . . . . . . . . . . . . . 24
6.2.1. Sending Version Negotiation Packets . . . . . . . . . 25
6.2.2. Handling Version Negotiation Packets . . . . . . . . 25
6.2.3. Using Reserved Versions . . . . . . . . . . . . . . . 26
6.3. Cryptographic and Transport Handshake . . . . . . . . . . 26
6.4. Transport Parameters . . . . . . . . . . . . . . . . . . 27
6.4.1. Transport Parameter Definitions . . . . . . . . . . . 29
6.4.2. Values of Transport Parameters for 0-RTT . . . . . . 30
6.4.3. New Transport Parameters . . . . . . . . . . . . . . 31
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