The disclosed technology provides systems and methods for accommodating a diversity of services (e.g., telephone, video broadcasting, email, etc.) using a fixed connection of a certain service type. A method and system of communicating data using a fixed connection, including, based on at least two service data units (SDUs), associating a priority and a channel identifier with the at least two SDUs, iteratively (i) selecting one of the at least two SDUs based on priority to provide a selected SDU, and, (ii) forming at least one data packet, the at least one data packet including (a) data associated with the selected SDU, and, (b) the channel identifier associated with the selected SDU; and, transmitting the formed at least one data packet using the fixed connection.