HiP4-UPF - High-Performance Comprehensive 5G User Plane Function on P4 Programmable Switches

Explore a conference talk that delves into improving the performance of 5G User Plane Function (UPF) implementations on P4 programmable switches. Learn about a novel approach that addresses resource limitations and performance bottlenecks in existing UPF solutions. Discover a three-tiered optimization strategy for rule storage on switch ASICs and a innovative scheme combining pendulum table access with selective usage pulling to reduce operational latency. Examine experimental results demonstrating significant improvements in mobile device support and throughput across common 5G call flows compared to baseline UPF and open-source 5G network emulators. Gain insights into the potential of P4 programmable switches for implementing comprehensive UPF features in 5G networks.