Dive deep into the intricacies of Docker overlay networks in this 42-minute technical talk. Explore the underlying technologies powering the Docker network overlay driver, including network namespaces, VXLAN, Netlink, and distributed key-value stores. Learn how these mechanisms interact to create container connections through hands-on demonstrations. Gain practical insights by following along as the speaker builds a simple overlay using these technologies. Cover topics such as network namespaces, MAC address resolution, dynamic overlay creation, and Netlink scripting. Ideal for Docker enthusiasts and network professionals seeking to enhance their understanding of container networking.