Short-term QoS Deficit Round Robin: An efficient scheduling scheme for E-PON systems

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In this paper, a design alternative for guaranteeing short-term QoS in the E-PON (Ethernet-Passive Optical Network) OLT (Optical Line Terminal) node is studied. A scheduling algorithm called Short-term QoS Deficit Round Robin (SQ-DRR) is proposed to guarantee tunable deterministic QoS constraints for multimedia applications over E-PON. The major appealing aspect of the scheduler is that it guarantees delay constraint for short-term aggregate burst traffic violating pre-contracted descriptors at the same time without loosing long-term fairness. We then evaluate the scheduler performance with and without admission control scheme under non-stationary long-range dependence (LRD) traffic. The simulation results indicate that the SQ-DRR performs well in dynamic burst traffic conditions.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2005-08
Language
English
Article Type
Article
Keywords

BANDWIDTH ALLOCATION; ADMISSION CONTROL; NETWORKS

Citation

IEICE TRANSACTIONS ON COMMUNICATIONS, v.E88B, no.8, pp.3321 - 3328

ISSN
0916-8516
DOI
10.1093/ietcom/e88-b.8.3321
URI
http://hdl.handle.net/10203/88900
Appears in Collection
EE-Journal Papers(저널논문)
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