Lucien Avramov, CCIE No. 19945, is a Principal Engineer at Cisco. Lucien specializes in the Nexus data center portfolio and the ACI. Lucien designs datacenter networks worldwide, and has a wide experience in switch architectures, QoS, ultra-low latency networks, high-performance computing designs, and OpenStack. Lucien is a distinguished Cisco Live speaker and former TAC technical leader. He has several industry certifications, authors RFCs at IETF, and owns an active patent. Lucien holds a master’s degree in Computer Science and a bachelor’s degree in General Engineering from Ecole des Mines d’Ales, France. In his spare time, Lucien can be found hiking, biking, running marathons around the world, and on Twitter @flying91.