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We integrate physical layer surveillance concept into management system of GPON by allocating an unused time slot for network surveillance depending upon its availability in upstream GTC frame and analyze the link bandwidth utilization.
Non-status reporting (NSR) ONUs underutilize link capacity, since they do not inform queue occupancy to the optical line terminal (OLT) as well as traffics in access network are bursty. We suggest a dynamic bandwidth allocation (DBA) method to support NSR optical network units (ONUs) and to improve link utilization based on the Full Service Access Network (FSAN)-compliant gigabit passive optical network...
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