Online excess bandwidth distribution for Ethernet passive optical networks
Journal of Optical Networking, Vol. 8, Issue 4, pp. 358-369 (2009)
http://dx.doi.org/10.1364/JON.8.000358
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Abstract
Excess bandwidth distribution techniques have recently been proposed to improve the dynamic bandwidth allocation in Ethernet passive optical networks (EPONs). We compare existing offline excess bandwidth distribution with conventional limited interleaved polling with adaptive cycle time (IPACT-limited) in terms of packet delay performance. We identify the factors that result in packet delay reduction with excess bandwidth distribution compared to IPACT-limited and discover that existing offline excess distribution mechanisms become unstable at moderate to high loads in long-range EPONs with large round-trip propagation delays. We propose a novel online excess bandwidth distribution (OEBD) mechanism to provide stable excess bandwidth distribution even at high loads in long-range EPONs. We demonstrate how OEBD can be tuned via parameters to provide grant sizing between limited and gated service.
© 2009 Optical Society of America
OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms
ToC Category:
Research Papers
History
Original Manuscript: November 24, 2008
Revised Manuscript: January 16, 2009
Manuscript Accepted: February 11, 2009
Published: March 24, 2009
Citation
Jason R. Ferguson, Martin Reisslein, and Michael P. McGarry, "Online excess bandwidth distribution for Ethernet passive optical networks," J. Opt. Netw. 8, 358-369 (2009)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-8-4-358
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