Submarine networks. They carry over 95% of the world’s intercontinental electronic communications. Without them, the Internet we’ve all come to know, love, and need, wouldn’t exist. Protecting them is critical, but it's only one of the challenges submarine network operators face. They also have to scale their networks to meet rising bandwidth demands while also lowering the total cost of ownership. Seems impossible, right? Not according to Ciena's Elizabeth Rivera Hartling. In this Chalk Talk video, she explains how Ciena's GeoMesh Extreme meets these challenges head on.