Open Network Automation Platform (ONAP) is missioned to deploy and manage VNFs on multiple infrastructure environments, including virtualized infrastructure and cloud native. Workload deployment and orchestration in multiple clouds is expected to play an essential role in ONAP operational success. This talk introduces overall ONAP architecture and orchestration workflow, and related supporting functions such as homing and optimization. Speaker: Bin Hu, Bin is an innovation thought-leader in NFV, SDN and Cloud. He is the Convener of OPNFV's Technical Community, PTL of IPv6 and PTL of Gluon in OpenStack for the next generation of NFV networking services. He was the Winner of OPNFV 2015 Annual Award.