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