Honghui Xiao is a CCIE(Cisco Certified Internetwork Expert) and has more than 7 year’s experience at Cloud Computing and Networking. He is working as a network architect in ByteDance, which has more than 600 millions active users and hundreds of thousands of servers over the world, and is building SDDC(Software Defined Data Center) by using OpenStack. He is responsible for the network architecture of ByteDance’s production environment, including network infrastructure, SDN, inter-DC connection and etc. Before ByteDance, he got his master’s degree from the Institute of Electronics, Chinese Academy of Science, and had worked in IBM, Huawei and VMware. He is also an active contributor in OpenStack community and ONAP community, and had delivered technique presentations on OpenStack Summit(2016 Austin, 2019 Denver), China Open Source Conference(2017 Beijing) and Open Networking Summit(2019 San Jose).