The traffic forwarding module is configured to process the received data traffic having a low priority or high data bandwidth requirement by transmitting a control packet to {HEAD ~ the AG ONU} via the PON to be forwarded by the AG ONU to the ONU over the alternate connection and transmitting {TAIL ~ the data traffic} for the ONU to the ONU over the optical line based on a grant 
The traffic forwarding module is configured to process the received data traffic having a low priority or high data bandwidth requirement by transmitting a control packet to { HEAD ~ the AG ONU } via the PON to be forwarded by the AG ONU to the ONU over the alternate connection and transmitting { TAIL ~ the data traffic } for the ONU to the ONU over the optical line based on a grant
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH