Videoconferencing at Gemini

We discuss the requirements and goals for the Gemini videoconferencing systems, performance and usage of the system to date, and plans for enhancing the system. Our five internal sites include Hawaii, Arizona and Chile; our external sites span the globe. We discuss how the systems have been received by users, and successes and complaints. We also look at future improvements, such as more pervasive and affordable multi-site videoconferencing, video over IP, and IP-multicasting.