Explore the architecture of Alibaba Cloud's serverless platform in this 33-minute conference talk. Discover how Kubernetes, Kata Containers, and bare metal instances are combined to create a cost-effective and secure multi-tenant environment. Learn about the challenges of co-locating applications from different tenants on the same node and the solutions implemented to ensure hard multi-tenancy and high performance. Gain insights into the design of multi-tenant Kubernetes, the use of VPC networks for isolation, and performance improvements for Kata Containers, including passthrough networking and qcow2 graphdriver implementation. Understand the lessons learned from building a bare-metal based cloud infrastructure that balances security and performance in a serverless environment.