Explore policy-defined segmentation with metadata in this 31-minute conference talk from Takedowncon Rocketcity 2014. Delve into key considerations for network security, including routers, metadata implementation, access lists, traditional firewalls, and security group filtering. Learn about branch segmentation, BYOD policies, and security groups. Gain insights into modern network security practices and leave with a comprehensive understanding of how metadata can enhance policy-defined segmentation strategies.