...Scale with demand with flexible port configurations from 10G to 400G and available 3.6, 4.8, 7.2 or 9.6 Tbps per slot line cards. Converge all services onto a single infrastructure and use Segment Routing for end-to-end granular traffic control that delivers the best client experience. With backward compatibility, a flexible pay-as-you-grow model, and IOS XR throughout the network, this platform offers long-term growth that scales with demand and protects investment. Power efficiency and scalability with a carrier-grade network operating system to rightsize the network footprint and lower your carbon impact.