Watch Meta’s engineers discuss optimizing large-scale networks

What this post added

This post details Meta's advancements in optimizing large-scale networks, focusing on data center networking (FBOSS, SAI), WAN optimizations (global optical network, submarine cables like Bifrost, Echo, 2Africa), and operational efficiency through fine-grained traffic analysis (Millisampler) and Network SLOs. It also introduces Shiv, a tool for improving Layer 4 routing consistency using consistent hashing to prevent connection breakage.