A network interface to transport a continuous datastream over a frame-based transport network. The network interface includes a data input, an egress buffer circuit, a phase locked loop, and a data output. The data input receives frames carrying the continuous datastream from the frame-based transport network. The egress buffer circuit is coupled to buffer the continuous datastream and to generate a feedback signal based at least in part on a fill-level of the egress buffer. The phase locked loop is coupled to receive the feedback signal from the egress buffer and to recover a clock signal from the continuous datastream. The data output is coupled to output the data of the continuous datastream from the egress buffer circuit based on the clock signal.