Summary
DigitalOcean has launched its VPC Peering feature, allowing private connectivity between Virtual Private Cloud (VPC) Networks. This post provides a technical deep dive into the architecture, implementation, and operation of VPC Peering, focusing on the Transit Gateway and eBPF technology used for routing and packet processing. The VPC Peering supports requests from customers for interconnecting VPCs across data centers, enhancing its Kubernetes services, and enabling database service integrations. The post outlines key components such as the Transit Gateway and routing logic, detailing their functions and the benefits of using eBPF for optimized networking performance.