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 the AG ONU via {HEAD ~ the PON} to be forwarded by {TAIL ~ 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 
to be forwarded by
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 the AG ONU via { HEAD ~ the PON } to be forwarded by { TAIL ~ 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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