Edge Acceleration
  • Site Acceleration
    • Overview
    • Quickly Import and Export Site Configuration
    • Access Control
      • Token Authentication
    • Smart Acceleration
    • File Optimization
      • Smart Compression
    • Network Optimization
      • HTTP/2
      • HTTP/3(QUIC)
        • Overview
        • Enable HTTP/3
        • QUIC SDK
          • SDK Overview
          • SDK Download and Integration
          • Sample Code
            • Android
            • iOS
          • API Documentation
            • Android
            • iOS
      • IPv6 Access
      • Maximum Upload Size
      • WebSocket
      • Client IP Geolocation Header
      • Client IP Geographical Location
      • gRPC
    • URL Rewrite
      • Access URL Redirection
      • Origin-Pull URL Rewrite
    • Modifying Header
      • Modifying HTTP Response Headers
      • Modifying HTTP Request Headers
    • Custom Error Page
    • Request and Response Actions
      • Processing order
      • Default HTTP Headers of Origin-Pull Requests
      • Default HTTP Response Headers
    • Media Services
      • Audio and Video Pre-pulling
      • Just-in-Time Image Processing
      • Just-in-Time Media Processing
      • VOD Media Origin
  • L4 Proxy
    • Overview
    • Creating an L4 Proxy Instance
    • Modifying an L4 Proxy Instance
    • Disabling or Deleting an L4 Proxy Instance
    • Batch Configuring Forwarding Rules
    • Obtaining Real Client IPs
      • Obtaining Real TCP Client IPs via TOA
      • Obtaining Real Client IPs Through Protocol V1/V2
        • Overview
        • Method 1: Obtaining Real Client IPs Through Nginx
        • Method 2: Parsing Real Client IPs on Application Server
        • Format of Real Client IPs Obtained Through Proxy Protocol V1/V2
      • Transmitting Client Real IP via SPP Protocol
  • Edge DNS
    • Hosting DNS Records
      • Modifying DNS Servers
      • Configuring DNS Records
      • Advanced DNS Configuration
    • Domain Connection
      • Adding A Domain Name for Acceleration
      • Ownership Verification
      • Modifying CNAME Records
    • Domain alias
      • Overview
      • Configuration Guide
      • Batch Connecting SaaS Domain Names
      • Configuring Alias Domain Names for Disaster Recovery
    • Traffic Scheduling
      • Traffic Scheduling Management
    • Origin Configuration
      • Origin-pull configuration
        • Configuring Origin-Pull HTTPS
        • Host Header Rewrite
        • Controlling Origin-pull Requests
        • Redirect Following During Origin-Pull
        • HTTP/2 Origin-Pull
        • Range GETs
      • Load Balancing
        • Overview
        • Quickly Create Load Balancers
        • Health Check Policies
        • Viewing the Health Status of Origin Server
        • Related References
          • Load Balancing-Related Concepts
          • Introduction to Request Retry Strategy
      • Origin Group Configuration
      • Related References
        • ld Version Origin Group Compatible Related Issues
      • Collect EdgeOne origin-pull node IP
  • Edge Cache
    • Overview
    • EdgeOne Cache Rules
      • Content Cache Rules
      • Cache Key Introduction
      • Vary Feature
    • Cache Configuration
      • Custom Cache Key
      • Node Cache TTL
      • Status Code Cache TTL
      • Browser Cache TTL
      • Offline Caching
      • Cache Prefresh
    • Clear and Preheat Cach
      • Cache Purge
      • URL Pre-Warming
    • How to improve the Cache Hit Rate of EdgeOne
  • Rules Engine
    • Overview
    • Supported Matching Types and Actions
    • Rule Management
    • variables
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Docs Overview/
Edge Acceleration/
Site Acceleration/
Network Optimization/
HTTP/3(QUIC)/
Overview/

Overview

What is HTTP/3

HTTP/3 (HTTP over QUIC) is the next-generation Internet transmission protocol, designed to solve the head-of-line blocking issues in HTTP/2. Instead of being based on TCP, HTTP/3 uses the QUIC protocol, which is based on the UDP protocol. Compared to HTTP/1.1 and HTTP/2, HTTP/3 provides faster connection establishment and data transmission speeds, supports multiplexing for simultaneous transmission of multiple requests and responses, and has made improvements in areas such as congestion control, header compression, etc., significantly reducing latency and waiting time, and improving website performance and user experience.

EdgeOne's support for HTTP/3

EdgeOne now supports both HTTP/3 and QUIC protocols, with the following versions of the QUIC protocol supported:
Standard
Supported Versions
Google QUIC（gQUIC）
Q039、Q043、Q046、Q050
IETF QUIC（iQUIC）
draft-27、draft-29、RFC 9000

How to use HTTP/3 or QUIC access in your App

If your users need to access through an App, the App needs to integrate support for HTTP/3 or QUIC protocols. EdgeOne provides a QUIC SDK to help you quickly complete the integration. For details, please refer to the QUIC SDK download and integration example.
If your site is mainly a website, and the user's current browser supports the QUIC protocol and has enabled QUIC protocol access, your site only needs to enable HTTP/3 (QUIC) on EdgeOne to support it. You can check whether the current browser supports HTTP/3 by viewing if the browser supports HTTP/3.