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DaTaobao Tech
DaTaobao Tech
Sep 25, 2023 · Backend Development

HTTP3/QUIC Upgrade and Performance Improvements in Taobao's Long‑Chain Network

Taobao migrated its long‑chain network from a private SlightSSL over HTTP/2 to a full HTTP3/QUIC stack built on the XQUIC library, adding unified TNET interfaces, UDP probing and fallback, which cut recommendation latency by up to 33 %, transaction latency 32 %, boosted upload speed 21 % and short‑video download 18 % while solving UDP port, load‑balancing and kernel memory challenges.

HTTP3PerformanceQUIC
0 likes · 15 min read
HTTP3/QUIC Upgrade and Performance Improvements in Taobao's Long‑Chain Network
DaTaobao Tech
DaTaobao Tech
Jun 15, 2022 · Fundamentals

Choosing QUIC as a TCP Replacement: Scenarios, Principles, and XQUIC Experience

QUIC replaces TCP when long, lossy or wireless‑induced jitter dominates, offering multi‑stream, 0‑RTT, user‑space transport; Alibaba’s XQUIC library demonstrates 15‑20% latency cuts, 26% throughput gains via XDP‑based UDP bypass, and outlines a four‑stage adoption path from business value to open‑source leadership.

HTTP/3QUICUDP optimization
0 likes · 11 min read
Choosing QUIC as a TCP Replacement: Scenarios, Principles, and XQUIC Experience
DaTaobao Tech
DaTaobao Tech
Apr 27, 2022 · Cloud Native

XQUIC: High-Performance Open-Source QUIC Transport Library and Summer Open Source Project

The XQUIC project, Alibaba’s high‑performance open‑source QUIC transport library that powers mobile Taobao and large‑scale gateway services with up to 20 % latency reduction, offers a standards‑compliant stack (QUIC‑Transport, QUIC‑TLS, HTTP/3, qlog) and multi‑path XLINK, and invites students in the Open Source Summer program to extend the code, improve diagnostics, and earn mentorship and rewards.

AlibabaOpen-SourceQUIC
0 likes · 5 min read
XQUIC: High-Performance Open-Source QUIC Transport Library and Summer Open Source Project