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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and V. Chan
  • Vol. 2, Iss. 9 — Sep. 1, 2010
  • pp: 745–759

Optical Router Control Architecture and Contention Resolution Algorithms Capable of Asynchronous, Variable-Length Packet Switching

Haijun Yang, Zhong Pan, Venkatesh Akella, Chen-Nee Chuah, and S. J. B. Yoo  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 2, Issue 9, pp. 745-759 (2010)
http://dx.doi.org/10.1364/JOCN.2.000745


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Abstract

This paper presents a new optical-label switching (OLS) router control plane controller for multihop asynchronous, variable-length packet switching incorporating fast, fair, and wavelength-aware arbitration. The proposed optical router controller implements efficient unicast/multicast packet contention resolution algorithms and channel scheduling schemes to resolve the data plane switch fabric contention. The paper evaluates the performance of proposed algorithms in a multihop OLS simulation network with self-similar traffic input under various traffic scenarios. The simulation results demonstrate that the proposed algorithms effectively improve the multihop OLS network performance. The hardware-efficient design and implementation of the proposed router controller and major modules are evaluated in terms of the area and delay for various switch sizes on a Xilinx XCV1000E field programmable gate array (FPGA) chip. Finally, this paper experimentally demonstrates the combined unicast and multicast video streaming enabled by the proposed OLS router control techniques over a label switching testbed with edge routers and realistic Ethernet/IP traffic input.

© 2010 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1155) Fiber optics and optical communications : All-optical networks
(060.4259) Fiber optics and optical communications : Networks, packet-switched
(060.6719) Fiber optics and optical communications : Switching, packet

ToC Category:
Research Papers

History
Original Manuscript: January 19, 2010
Revised Manuscript: February 25, 2010
Manuscript Accepted: March 8, 2010
Published: August 31, 2010

Citation
Haijun Yang, Zhong Pan, Venkatesh Akella, Chen-Nee Chuah, and S. J. B. Yoo, "Optical Router Control Architecture and Contention Resolution Algorithms Capable of Asynchronous, Variable-Length Packet Switching," J. Opt. Commun. Netw. 2, 745-759 (2010)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-2-9-745

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