Research Question: Can we use an Internet entity (IXP, DCs) to provide resilience to IEC-61850 networks? Target Usecases: We target inter-substation communication usecases: Protection Usecases POTT, PUTT, DCB, Pilotwire, Phase comparison, Line Differential Permissive Overreaching Transfer Trip (POTT) Permissive Underreaching Transfer Trip (PUTT) Directional Comparison Blocking (DCB) Control Usecases Interlocking