A management system for managing a session for transmitting content data between a first terminal and a second terminal via a first relay apparatus and a second relay apparatus is provided. The management system includes a determination unit configured to determine a transmission quality of the content data transmitted in the session based on a transmission quality of the content data available for the first terminal and a transmission quality available for the second terminal, a first selection unit configured to select a first relay apparatus to which the first terminal is to be connected based on the determined transmission quality, and a second selection unit configured to select a second relay apparatus to which the second terminal is to be connected.