A method for updating a connection profile in a content delivery service by a dynamic content delivery (DCD) terminal, comprises: receiving, from a server, a connection profile update message including a connection profile; transmitting, to the server, a connection profile update confirmation message in response to the reception; transmitting, to the server, a session deactivation request message based on the connection profile; and transmitting, to another server, a session activation request message base on the connection profile.