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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Richard A. Linke
  • Vol. 5, Iss. 6 — Jun. 1, 2006
  • pp: 509–520

Methodology and input availability parameters for calculating OpEx and CapEx costs for realistic network scenarios

S. Verbrugge, D. Colle, M. Pickavet, P. Demeester, S. Pasqualini, A. Iselt, A. Kirstädter, R. Hülsermann, F.-J. Westphal, and M. Jäger  »View Author Affiliations


Journal of Optical Networking, Vol. 5, Issue 6, pp. 509-520 (2006)
http://dx.doi.org/10.1364/JON.5.000509


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Abstract

Feature Issue on High Availability in Optical Networks

The availability requirements for today's networks are very high. Higher availability often comes with a higher cost. We describe several steps required for estimating the costs of realistic network scenarios. Capital expenditures (CapEx) and operational expenditures (OpEx) are classified. An activity-based approach is used to quantify the cost of the event-driven operational processes such as repair and service provisioning. We discuss activity duration and availability parameters as required input data, which are necessary for calculating the processes' costs for realistic network scenarios. The relevant availability measures for an IP-over-Optical network are described using a triplet representation with optimistic, nominal, and conservative values. The model is applied to a reference German network scenario.

© 2006 Optical Society of America

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
High Availability in Optical Networks

History
Original Manuscript: January 26, 2006
Revised Manuscript: April 17, 2006
Manuscript Accepted: April 24, 2006
Published: May 31, 2006

Virtual Issues
High Availability in Optical Networks (2006) Journal of Optical Networking

Citation
S. Verbrugge, D. Colle, M. Pickavet, P. Demeester, S. Pasqualini, A. Iselt, A. Kirstädter, R. Hülsermann, F.-J. Westphal, and M. Jäger, "Methodology and input availability parameters for calculating OpEx and CapEx costs for realistic network scenarios," J. Opt. Netw. 5, 509-520 (2006)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-5-6-509

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