Dong Liu – Who Made the Internet

1990 – Pioneer of IPv6 deployment in China and across the Asia-Pacific region. He led widespread adoption of next-generation addressing, built critical regional Internet infrastructure, and accelerated global IPv6 readiness during the transition away from IPv4 exhaustion.

(IHOF 2025)

Summary of Contributions (50 words)

Dong Liu led large-scale IPv6 deployment across China and the broader Asia-Pacific region, helping build addressing infrastructure, training operators, and enabling next-generation backbone upgrades. His work accelerated IPv6 adoption for national networks, universities, carriers, and regional Internet registries. (50 words)

Impact (200 words)

Liu’s impact stems from building and evangelizing large-scale IPv6 deployment during the period when IPv4 exhaustion threatened global Internet growth. Through leadership roles in:

• APNIC (Asia-Pacific Network Information Centre)

• CERNET (China Education and Research Network)

• national IPv6 transition programs

he helped institutionalize IPv6 allocation, routing, and operational readiness across one of the largest Internet regions on Earth.

Liu coordinated multi-year deployments that enabled IPv6 connectivity for:

• universities and research institutions

• early broadband providers

• national backbones

• regional IXPs

His work ensured that China became one of the largest IPv6-enabled countries, reducing strain on IPv4 scarcity and enabling continued Internet expansion.

Liu also contributed to training programs that helped hundreds of operators integrate IPv6 into routing, DNS, and backbone configurations, ensuring stable deployment across diverse networks.

Influence (200 words)

Liu influenced:

• Asia-Pacific network operators

• national and regional Internet registries

• university backbone engineers

• IPv6 working groups and technical committees

• operators deploying dual-stack and next-generation routing

His collaboration with APNIC strengthened IPv6 policy, address management, and operational best practices across 50+ economies.

He played a key role in China’s CERNET2 project, one of the world’s earliest and largest native-IPv6 academic backbones, influencing global research-network deployments.

Through workshops, standards contributions, and APNIC training programs, Liu helped prepare thousands of engineers to transition from IPv4 to IPv6, shaping operational norms for carriers, IXPs, and enterprises across the Asia-Pacific region.

Reach (200 words)

Dong Liu’s work reaches:

• billions of users in the Asia-Pacific region

• 50+ economies served by APNIC

• thousands of universities and research networks

• major Chinese and regional carriers

• IXPs supporting global traffic exchange

His IPv6 deployment leadership impacted networks across:

• China

• Southeast Asia

• South Asia

• Oceania

CERNET2, built with his leadership, connected 300+ universities and became one of the world’s most advanced IPv6-native backbones.

IPv6 addressing plans and deployment models shaped by Liu allow:

• massive-scale mobile broadband growth

• national ISP expansion

• large-scale IoT deployments

• future-proofed backbone and peering systems

Liu’s work ensures long-term sustainability of Internet addressing for over half the world’s population.

Innovation (200 words)

Liu introduced innovations in:

• IPv6 allocation frameworks

• dual-stack deployment models

• large-scale IPv6-native backbone design

• transition strategies for universities and carriers

• routing, DNS, and peering operations for next-generation networks

His work on China’s CNGI and CERNET2 initiatives pioneered:

• high-performance IPv6 routing

• nationwide IPv6 addressing plans

• early deployment of IPv6-only research networks

Liu promoted operational strategies that reduced transition complexity and enabled scalable adoption for ISPs, enterprises, and academic networks. His work remains a model for large-scale IPv6 transitions globally.

Publications

Representative works include:

• APNIC IPv6 deployment papers and reports

• CERNET/CNGI technical documentation

• IPv6 policy and resource-management publications

• operator training materials across APNIC-supported economies

Grokipedia Page
https://grokipedia.com/page/Dong_Liu

Wikipedia Page
https://en.wikipedia.org/wiki/Dong_Liu_(Internet_pioneer)