ITU-T Recommendations

Supplement 81 to the ITU-T G-series Recommendations gives an overview of passive optical network (PON) security, collects the use cases on PON security with associated expectations, and reviews security aspects and methods applicable to PON systems, including a general PON threat model, unicast data encryption key exchange, duplicate-ONU-SN, security enhancement Recommendations in OMCI-based authentication, which may be considered in future PON Recommendations to support security enhancement features.