{HEAD ~ A synchronous interface}, such as {TAIL ~ a transmit adaptor}, selectively transmits selected transport packets carrying received data in an outputted TS with a constant end to end delay at times that depend on the determined times 
such as
{ HEAD ~ A synchronous interface } , such as { TAIL ~ a transmit adaptor } , selectively transmits selected transport packets carrying received data in an outputted TS with a constant end to end delay at times that depend on the determined times
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH