Luigi Rizzo

About

Luigi Rizzo is a pioneering researcher in computer networking and systems, best known for his transformative work on network performance and virtualized I/O. His key research areas include high-speed packet processing, operating system networking stacks, and efficient data transfer mechanisms. Rizzo’s most influential contribution is the development of netmap, a framework that dramatically accelerates packet I/O by bypassing the kernel’s traditional networking stack, enabling line-rate packet processing on commodity hardware. This work, which has garnered thousands of citations, fundamentally reshaped how modern network functions are implemented, influencing both academic research and industrial deployments in software-defined networking and network function virtualization. He also made notable contributions to the design of the dummynet network emulator, a widely used tool for testing network protocols under controlled conditions. Rizzo’s research is characterized by a practical, systems-oriented approach that bridges theory and real-world deployment. His work on tele-laboratories, including the widely cited “Breaking the lab’s walls” paper, reflects his commitment to accessible, hands-on experimentation. With a career spanning decades, Rizzo remains a highly cited and influential figure, whose innovations continue to underpin high-performance networking in data centers and beyond.

Research Focus

Key Achievements

Top Papers

1. 1
   Breaking the lab's walls. Tele-laboratories at the University of Pisa

   36 citations · 2002

Key Collaborators

Contact & Links