RFC 9000 · PROPOSED STANDARD · 2021

QUIC: A UDP-Based Multiplexed and Secure Transport

Overview

RFC 9000, “QUIC: A UDP-Based Multiplexed and Secure Transport”, is a Proposed Standard document published in May 2021 by J. Iyengar, M. Thomson. The canonical text is published by the RFC Editor.

Abstract

This document defines the core of the QUIC transport protocol. QUIC provides applications with flow-controlled streams for structured communication, low-latency connection establishment, and network path migration. QUIC includes security measures that ensure confidentiality, integrity, and availability in a range of deployment circumstances. Accompanying documents describe the integration of TLS for key negotiation, loss detection, and an exemplary congestion control algorithm.

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 9000 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.

Other RFCs from 2021

Who Is Online

In total there are 66 users online: 0 registered, 61 guests and 5 bots.

Most users ever online was 1,226 on 13 Jun 2026, 3:56 am.

Bots: AhrefsBot Applebot Facebook Other Bot SemrushBot

Users active in the past 15 minutes. Total registered members: 354