Refining the GIANT dynamic bandwidth allocation mechanism for XG-PON

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Arokkiam, Jerome A.
Brown, Kenneth N.
Sreenan, Cormac J.
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Institute of Electrical and Electronics Engineers (IEEE)
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XG-PON requires an effective dynamic bandwidth allocation (DBA) mechanism for upstream traffic to support quality of service for different classes of traffic. We propose X-GIANT, which extends GPON based GigaPON Access Network (GIANT) DBA, with validated optimisations to the originally proposed key parameters - service timers and assured vs non-assured ratio of medium priority traffic. We implement X-GIANT in a standard compliant XG-PON module designed for the state-of-the-art ns-3 simulator, tune the above key parameters and show that mean delay and throughput for different classes of traffic obey the XG-PON requirements and respect priorities at both light and heavy upstream loads. We also show that X-GIANT shows better mean-delay performance than Efficient Bandwidth Utilisation (EBU), a recently proposed, GIANT-derived, priority-based DBA mechanism for XG-PON, for all three classes of traffic simulated.
Delays , Bandwidth , Resource management , Optical network units , Passive optical networks , Quality of service , Standards , Bandwidth allocation , Optical fibre subscriber loops , Optimisation , Telecommunication traffic
Arokkiam, J. A., Brown, K. N. and Sreenan, C. J. (2015) 'Refining the GIANT dynamic bandwidth allocation mechanism for XG-PON', IEEE International Conference on Communications (ICC), London, UK, 8 -12 June, pp. 1006-1011. doi: 10.1109/ICC.2015.7248454
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