US Patent 7742413 Utilizing a null jitter buffer to monitor session traffic

A null jitter buffer provides performance and diagnostic information relating to a communications network topology. A method is provided for receiving session traffic having an origin and a destination, multicasting the session traffic to the destination and to a null jitter buffer, receiving session traffic in the null jitter buffer, buffering the session traffic in the null jitter buffer, and analyzing performance metrics of the null jitter buffer.