Legacy · 2004–2026

The DNA Lab.

For over two decades the group was Distributed Network Analysis, and its work shaped how the Internet is modeled, defended, and paid for. It was renamed QuAINt in 2026. A few landmarks:

2000
Fluid-based analysis of TCP and Active Queue Management
A differential-equation model of TCP/RED that became a standard tool for reasoning about congestion control. ACM SIGCOMM.
2002
SOS & WebSOS: overlay defense against denial-of-service
An architecture using secure overlays to keep services reachable under DDoS. ACM SIGCOMM / IEEE JSAC.
2006
Growth Codes: data persistence in sensor networks
Coding that maximizes information recovered from a dying network. ACM SIGCOMM.
2010
The Shapley value for ISP settlement
A cooperative-game account of how interconnected ISPs should share revenue. IEEE/ACM Trans. Networking.
2015
Routing Money, Not Packets. Revisiting network neutrality
The neutrality fight, rewritten as a question of who pays whom. Communications of the ACM.