Explore a conference talk on Cloudcast, a high-throughput and cost-aware overlay multicast system for cloud environments. Discover how this innovative solution addresses the challenges of bulk data replication across multiple cloud regions and providers. Learn about the optimization algorithm that minimizes cloud networking costs while meeting user-defined runtime budgets. Understand the benefits of Cloudcast, including its ability to achieve significant cost reductions and replication speedups compared to existing academic and commercial solutions. Gain insights into the importance of efficient data multicast for supporting data analytics, disaster recovery, and geo-distributed model serving in large organizations.