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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 4, Iss. 11 — Nov. 1, 2012
  • pp: 936–946

Resource Optimization of Consolidating Two Coexisting Networks With Interconnections

Zhenchang Xie and Lian-Kuan Chen  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 4, Issue 11, pp. 936-946 (2012)
http://dx.doi.org/10.1364/JOCN.4.000936


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Abstract

We investigate the consolidation of two optical networks, which overlap in some geographical areas, by installing interconnection links at strategic locations to reduce system operational costs. We focus on the operational costs of fiber links in the networks. The minimum number of operational fiber links required to provide bi-directional connectivity for any two nodes of the merged network is examined. Analytical results show that it is at least the number of nodes or at least twice the number of bridges when all the co-located nodes are interconnected. The optimal locations of interconnection links are derived when the interconnection cost is very high, which results in a minimum of two interconnections. They should be installed at the nodes which are one hop away from two certain cut nodes if there are cut nodes in the networks. To take into account more practical considerations, single link failure protection schemes for the merged network are also studied.

© 2012 OSA

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4250) Fiber optics and optical communications : Networks
(060.4256) Fiber optics and optical communications : Networks, network optimization

ToC Category:
Regular Papers

History
Original Manuscript: January 5, 2012
Revised Manuscript: September 3, 2012
Manuscript Accepted: September 20, 2012
Published: November 1, 2012

Citation
Zhenchang Xie and Lian-Kuan Chen, "Resource Optimization of Consolidating Two Coexisting Networks With Interconnections," J. Opt. Commun. Netw. 4, 936-946 (2012)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-4-11-936


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