Precise Data Center Traffic Engineering with Constrained Hardware Resources

Explore a conference talk from NSDI '24 that delves into precise data center traffic engineering with constrained hardware resources. Learn about innovative techniques to overcome hardware limitations in implementing traffic engineering weight distributions on data plane switches. Discover how adapting hardware resource allocation based on flow traffic volume and precision loss contribution can significantly improve approximation of ideal traffic engineering solutions. Examine the approach's effectiveness in reducing error rates from 67% to within 7% under various scenarios, while preventing traffic loss caused by switch rule overflow. Gain insights into the method's enhanced execution speed, performing 10 times faster than current approaches. Understand the challenges of load balancing and flow throughput optimization in larger data center networks, and how this research addresses these issues.