SDN sandbox 5. PCEP and XTC for Nokia SR OS and Cisco IOS XR. Anton KarneliukNetworkingSeptember 19, 2017 Hello my friend, Continuing our journey in SDN world we reach the point, where we use external controller to compute the MPLS LSP. As a controller I’ve taken built-in functionality in IOS XR that is called XTC (XR Traffic Controller). … Continue reading4