Peuster, Manuel, Michael Marchetti, Gerardo García de Blas, and Holger Karl. “Automated Testing of NFV Orchestrators against Carrier-Grade Multi-PoP Scenarios Using Emulation-Based Smoke Testing.”https://doi.org/10.1186/s13638-019-1493-2__EURASIP Journal on Wireless Communications and Networking, 2019.https://doi.org/10.1186/s13638-019-1493-2 .