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Effective utilization of optical transponders in WDM mesh networks

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Abstract

We consider a multi-degree optical node configuration, which can provide multiple fiber links to the other nodes in wavelength-division-multiplexing (WDM) mesh networks. In the node, optical transponders are utilized for the wavelength channels sources and 3R-wavelength converters. It is shown that blocking originated from both the limited signal impairment threshold (SIT) problem and wavelength contentions can be resolved by the optical transponders. Moreover, the number of optical transponders per fiber link can be reduced down to half of the number of wavelength channels without degrading the network performance.

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References

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  2. IETF Standard, rfc4258.: Requirements for generalized multi-protocol label switching (GMPLS) routing for the automatically switched optical network (ASON). (2005)

  3. IETF Standard, rfc4328.: Generalized multi-protocol label switching (GMPLS) signaling functional description. (2003)

  4. From the websites of the companies.: www.jdsu.com, www.capellainc.com, www.finisar.com, etc. Accessed 5 March 2009

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Authors and Affiliations

  1. Network Research Division, Electronics and Telecommunications Research Institute, 161 Gajeong-dong, Yuseong-gu, Daejeon, 305-700, Korea

    Sun Hyok Chang, Hwan Seok Chung, Sang Soo Lee & Kwangjoon Kim

Authors
  1. Sun Hyok Chang
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  2. Hwan Seok Chung
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  3. Sang Soo Lee
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  4. Kwangjoon Kim
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Correspondence to Sun Hyok Chang.

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Chang, S.H., Chung, H.S., Lee, S.S. et al. Effective utilization of optical transponders in WDM mesh networks. Photon Netw Commun 18, 355–362 (2009). https://doi.org/10.1007/s11107-009-0198-6

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  • DOI: https://doi.org/10.1007/s11107-009-0198-6

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