Title :
A high efficient dynamic bandwidth scheme for QoS over EPON system
Author :
Wei, Qing ; Fushen, Chen
Author_Institution :
Key Lab. of Broadband Opt. Fiber Transmission & Commun. Networks, Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
Uplink bandwidth allocation schemes have attracted much attention in the Ethernet passive optical network (EPON) system owing to the topological structure of the optical network unit (ONU) sharing bandwidth in the uplink. The paper analyses current bandwidth allocation algorithms, and provides a new dynamic bandwidth allocation scheme, which has fixed period and utilizes cyclic polling, based on the self-similarity character of network traffic. Simulation results show that the scheme ensures the quality of services (QoS) of different services with higher priority and can improve uplink bandwidth utilization.
Keywords :
bandwidth allocation; optical fibre LAN; quality of service; telecommunication traffic; Ethernet PON; Ethernet passive optical network; QoS; cyclic polling; dynamic bandwidth allocation scheme; network traffic self-similarity; optical network unit topology; quality of service; uplink bandwidth utilization; Bandwidth; Channel allocation; EPON; Ethernet networks; High speed optical techniques; Network topology; Optical fiber networks; Optical network units; Passive optical networks; Spine;
Conference_Titel :
Communications, Circuits and Systems, 2005. Proceedings. 2005 International Conference on
Print_ISBN :
0-7803-9015-6
DOI :
10.1109/ICCCAS.2005.1493480
