Watch a 26-minute conference talk exploring the implementation challenges and solutions for federated authentication in headless environments, with a specific focus on OIDC authentication in OpenStack clients. Learn about OIDC flows, Keystone authentication processes, and practical methods for handling authentication in headless environments like virtual machines. Discover key considerations for user environments including browsers and terminals, while examining real-world case studies presented by speakers Tatsuya Hayashino and Shunya Kitada. Gain insights into current security practices around SAML and OIDC implementation, along with discussions on future challenges and potential solutions in federated authentication systems.