Abstract
The Dynamic Bandwidth Allocation (DBA) algorithm is required for efficient bandwidth utilization in XG-PON. The majority of existing DBA algorithms do not make use of the unused bandwidth of a queue with other service classes queue. In the update operation, the efficient bandwidth utilization (EBU) method employs a Borrow Refund (BR) method to utilize unused bandwidth between traffic class queues. This paper presents an extra efficient bandwidth utilization (EEBU) algorithm, which overcomes the limitations mentioned above with proper polling and scheduling mechanism. The theoretical and simulation results show that EEBU improvements for T-CONT 2 delay are 1% and 10%, and for T-CONT 3 delay are 8% and 22%, and for T-CONT 4 delay by 6% and 4.5% compared to the EBU and Giga PON access network (GIANT) respectively.



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Thangappan, T., Therese, B. Implementation of Extra Efficient Bandwidth Utilization Dynamic Bandwidth Allocation Algorithm to Support Differentiated Service Classes in XGPON. Wireless Pers Commun 126, 481–491 (2022). https://doi.org/10.1007/s11277-022-09754-3
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DOI: https://doi.org/10.1007/s11277-022-09754-3