Diff-group scheduling for QoS control in ethernet PON

Mingsen Xu; Hui Li; Yuefeng Ji

doi:10.1117/12.742778

19 November 2007 Diff-group scheduling for QoS control in ethernet PON

Mingsen Xu, Hui Li, Yuefeng Ji

Proceedings Volume 6784, Network Architectures, Management, and Applications V; 67843C (2007) https://doi.org/10.1117/12.742778
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

In the current broadband access networks, Gigabit Ethernet passive optical networks (GE-PON) have emerged as a promising candidate for next-generation broadband access networks. As this technology evolves, the development of efficient dynamic bandwidth allocation (DBA) algorithms has become a key concern. Bandwidth allocation based on the TDM mechanism has been discussed to a great deal. And the dynamics of network load has been detected by the network designers and researchers, thus, different kinds of resource distribution schemes are deployed in the broadband passive optical network (PON). Resources schemes are mainly designed to fulfill the task of allocate the bandwidth according to the requirements from the end-users, concerning the priority of service and traffic-load. However, the total dynamics of traffic-load's priority can't be determined precisely and there need to be a dynamic priority group based scheduling. This paper proposes a novel dynamic bandwidth allocation scheme that exploits diff-group to implement the timeslot assignment among ONUs with two-stage priority queuing to yield a globally optimized QoS control.

Citation Download Citation

Mingsen Xu, Hui Li, and Yuefeng Ji "Diff-group scheduling for QoS control in ethernet PON", Proc. SPIE 6784, Network Architectures, Management, and Applications V, 67843C (19 November 2007); https://doi.org/10.1117/12.742778

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KEYWORDS

Atrial fibrillation

Broadband telecommunications

Passive optical networks

Algorithm development

Network architectures

Networks

Computer simulations

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