Explore IPv6 implementation and security in service provider networks through this conference talk by Tarko Tikan at TROOPERS15. Gain insights into Estonia's IPv6 adoption, business case analysis, network architecture considerations, and practical configuration steps. Learn about metro network design, private VLANs, loop protection, and control plane perspectives. Discover strategies for seamless IPv6 integration, including separate IPv6 PNG implementation, static IPv6 prefix allocation, and roaming support. Understand how to overcome challenges and maintain customer satisfaction during the transition process.