Abstract

Elastic optical networking (EON) is a solution that promises to improve infrastructure utilization by implementing flexible spectrum allocation with small spectrum slots instead of the rigid 50 GHz fixed grid of current dense wavelength division multiplexing deployments. This new EON flexible grid supports bandwidth variable transponders (BVTs) that can tune their bit rate and bandwidth dynamically with a trade-off between reach and capacity. However, when BVTs need to transmit at low bit rates, part of their capacity is wasted. Therefore, the sliceable bandwidth variable transponder (SBVT) has been proposed, which can provide even higher levels of elasticity and efficiency to the network. SBVTs enable transmitting from one point to multiple destinations, changing the traffic rate to each destination and the number of destinations on demand. The aim of this work is to identify the target cost of 400Gb/s and 1Tb/s SBVTs to reduce, by at least 50%, transponder costs in a core network scenario. This target cost is calculated in relation to estimations for BVTs of 400Gb/s and 1Tb/s (non-sliceable). In light of our results, cost savings of 50% are feasible for 1Tb/s transponders until 2020 with a higher cost than non-sliceable transponders. Savings of 50% for the 400Gb/s case are possible in the short-term before 1Tb/s SBVTs can appear in the market. Feasibility of such savings with a target cost higher than current non-sliceable transponders shows that SBVTs can be a reality. Moreover, this work assesses the IP port savings thanks to the utilization of the SBVTs.

© 2014 Optical Society of America

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  4. D. J. Geisler, N. K. Fontaine, R. P. Scott, L. Paraschis, O. Gerstel, and S. J. B. Yoo, “Flexible bandwidth arbitrary modulation format, coherent optical transmission system scalable to terahertz BW,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 18–22, 2011, paper We.10.P1.49.
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    [CrossRef]
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2013 (1)

2012 (2)

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

M. Jinno, H. Takara, Y. Sone, K. Yonenaga, and A. Hirano, “Multiflow optical transponder for efficient multilayer optical networking,” IEEE Commun. Mag., vol.  50, no. 5, pp. 56–65, May 2012.
[CrossRef]

2010 (1)

S. K. Korotky, R.-J. Essiambre, and R. W. Tkach, “Expectations of optical network traffic gain afforded by bit rate adaptive transmission,” Bell Labs Tech. J., vol.  14, pp. 285–295, Feb. 2010.
[CrossRef]

2008 (1)

R. Huelsermann, M. Gunkel, C. Meusburger, and D. A. Schupke, “Cost modeling and evaluation of capital expenditures in optical multilayer networks,” J. Opt. Commun. Netw., vol.  7, no. 9, pp. 814–883, Sept. 2008.
[CrossRef]

Amaya, N.

V. López, O. González, O. Gerstel, N. Amaya, G. Zervas, D. Simeonidou, and J. P. Fernandez-Palacios, “Target cost for sliceable bandwidth variable transponders in a real core network,” in FUNEMS, July 3–5, 2013.

Azañón, A.

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

Azcoitia, S. A.

S. O. Guerra, O. González, E. Pérez, S. A. Azcoitia, and J. P. Fernández-Palacios, “Techno-economic approach for multilayer transport networks,” in European Conf. Network and Optical Communications, June10–12, 2009.

Buchali, F.

A. Klekamp, O. Rival, A. Morea, R. Dischler, and F. Buchali, “Transparent WDM network with bitrate tunable optical OFDM transponders,” in OFC/NFOEC, Mar. 2010.

Contreras, L. M.

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

Dembeck, L.

Dischler, R.

A. Klekamp, O. Rival, A. Morea, R. Dischler, and F. Buchali, “Transparent WDM network with bitrate tunable optical OFDM transponders,” in OFC/NFOEC, Mar. 2010.

Essiambre, R.-J.

S. K. Korotky, R.-J. Essiambre, and R. W. Tkach, “Expectations of optical network traffic gain afforded by bit rate adaptive transmission,” Bell Labs Tech. J., vol.  14, pp. 285–295, Feb. 2010.
[CrossRef]

Fernandez-Palacios, J. P.

V. López, O. González, O. Gerstel, N. Amaya, G. Zervas, D. Simeonidou, and J. P. Fernandez-Palacios, “Target cost for sliceable bandwidth variable transponders in a real core network,” in FUNEMS, July 3–5, 2013.

Fernández-Palacios, J. P.

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

S. O. Guerra, O. González, E. Pérez, S. A. Azcoitia, and J. P. Fernández-Palacios, “Techno-economic approach for multilayer transport networks,” in European Conf. Network and Optical Communications, June10–12, 2009.

Folgueira, J.

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

Fontaine, N. K.

D. J. Geisler, N. K. Fontaine, R. P. Scott, L. Paraschis, O. Gerstel, and S. J. B. Yoo, “Flexible bandwidth arbitrary modulation format, coherent optical transmission system scalable to terahertz BW,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 18–22, 2011, paper We.10.P1.49.

Gebhard, U.

Geisler, D. J.

D. J. Geisler, N. K. Fontaine, R. P. Scott, L. Paraschis, O. Gerstel, and S. J. B. Yoo, “Flexible bandwidth arbitrary modulation format, coherent optical transmission system scalable to terahertz BW,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 18–22, 2011, paper We.10.P1.49.

Gerstel, O.

D. J. Geisler, N. K. Fontaine, R. P. Scott, L. Paraschis, O. Gerstel, and S. J. B. Yoo, “Flexible bandwidth arbitrary modulation format, coherent optical transmission system scalable to terahertz BW,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 18–22, 2011, paper We.10.P1.49.

V. López, O. González, O. Gerstel, N. Amaya, G. Zervas, D. Simeonidou, and J. P. Fernandez-Palacios, “Target cost for sliceable bandwidth variable transponders in a real core network,” in FUNEMS, July 3–5, 2013.

González, O.

V. López, O. González, O. Gerstel, N. Amaya, G. Zervas, D. Simeonidou, and J. P. Fernandez-Palacios, “Target cost for sliceable bandwidth variable transponders in a real core network,” in FUNEMS, July 3–5, 2013.

S. O. Guerra, O. González, E. Pérez, S. A. Azcoitia, and J. P. Fernández-Palacios, “Techno-economic approach for multilayer transport networks,” in European Conf. Network and Optical Communications, June10–12, 2009.

González de Dios, O.

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

Guerra, S. O.

S. O. Guerra, O. González, E. Pérez, S. A. Azcoitia, and J. P. Fernández-Palacios, “Techno-economic approach for multilayer transport networks,” in European Conf. Network and Optical Communications, June10–12, 2009.

Gunkel, M.

F. Rambach, B. Konrad, L. Dembeck, U. Gebhard, M. Gunkel, M. Quagliotti, L. Serra, and V. López, “A multi-layer cost model for metro/core networks,” J. Opt. Commun. Netw., vol.  5, no. 3, pp. 210–225, Mar. 2013.
[CrossRef]

R. Huelsermann, M. Gunkel, C. Meusburger, and D. A. Schupke, “Cost modeling and evaluation of capital expenditures in optical multilayer networks,” J. Opt. Commun. Netw., vol.  7, no. 9, pp. 814–883, Sept. 2008.
[CrossRef]

Hirano, A.

M. Jinno, H. Takara, Y. Sone, K. Yonenaga, and A. Hirano, “Multiflow optical transponder for efficient multilayer optical networking,” IEEE Commun. Mag., vol.  50, no. 5, pp. 56–65, May 2012.
[CrossRef]

T. Tanaka, A. Hirano, and M. Jinno, “Performance evaluation of elastic optical networks with multi-flow optical transponders,” in European Conf. and Exhibition on Optical Communication, 2012, paper Tu.3.D.2.

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

Huelsermann, R.

R. Huelsermann, M. Gunkel, C. Meusburger, and D. A. Schupke, “Cost modeling and evaluation of capital expenditures in optical multilayer networks,” J. Opt. Commun. Netw., vol.  7, no. 9, pp. 814–883, Sept. 2008.
[CrossRef]

Ishida, O.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

Jinno, M.

M. Jinno, H. Takara, Y. Sone, K. Yonenaga, and A. Hirano, “Multiflow optical transponder for efficient multilayer optical networking,” IEEE Commun. Mag., vol.  50, no. 5, pp. 56–65, May 2012.
[CrossRef]

T. Tanaka, A. Hirano, and M. Jinno, “Performance evaluation of elastic optical networks with multi-flow optical transponders,” in European Conf. and Exhibition on Optical Communication, 2012, paper Tu.3.D.2.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

Klekamp, A.

A. Klekamp, O. Rival, A. Morea, R. Dischler, and F. Buchali, “Transparent WDM network with bitrate tunable optical OFDM transponders,” in OFC/NFOEC, Mar. 2010.

Kobayashi, T.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

Konrad, B.

Korotky, S. K.

S. K. Korotky, R.-J. Essiambre, and R. W. Tkach, “Expectations of optical network traffic gain afforded by bit rate adaptive transmission,” Bell Labs Tech. J., vol.  14, pp. 285–295, Feb. 2010.
[CrossRef]

Kozicki, B.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

López, V.

F. Rambach, B. Konrad, L. Dembeck, U. Gebhard, M. Gunkel, M. Quagliotti, L. Serra, and V. López, “A multi-layer cost model for metro/core networks,” J. Opt. Commun. Netw., vol.  5, no. 3, pp. 210–225, Mar. 2013.
[CrossRef]

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

V. López, O. González, O. Gerstel, N. Amaya, G. Zervas, D. Simeonidou, and J. P. Fernandez-Palacios, “Target cost for sliceable bandwidth variable transponders in a real core network,” in FUNEMS, July 3–5, 2013.

Matsuoka, S.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

Meusburger, C.

R. Huelsermann, M. Gunkel, C. Meusburger, and D. A. Schupke, “Cost modeling and evaluation of capital expenditures in optical multilayer networks,” J. Opt. Commun. Netw., vol.  7, no. 9, pp. 814–883, Sept. 2008.
[CrossRef]

Miyamoto, Y.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

Morea, A.

A. Klekamp, O. Rival, A. Morea, R. Dischler, and F. Buchali, “Transparent WDM network with bitrate tunable optical OFDM transponders,” in OFC/NFOEC, Mar. 2010.

Muñoz, F.

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

Paraschis, L.

D. J. Geisler, N. K. Fontaine, R. P. Scott, L. Paraschis, O. Gerstel, and S. J. B. Yoo, “Flexible bandwidth arbitrary modulation format, coherent optical transmission system scalable to terahertz BW,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 18–22, 2011, paper We.10.P1.49.

Pérez, E.

S. O. Guerra, O. González, E. Pérez, S. A. Azcoitia, and J. P. Fernández-Palacios, “Techno-economic approach for multilayer transport networks,” in European Conf. Network and Optical Communications, June10–12, 2009.

Quagliotti, M.

Rambach, F.

Rival, O.

A. Klekamp, O. Rival, A. Morea, R. Dischler, and F. Buchali, “Transparent WDM network with bitrate tunable optical OFDM transponders,” in OFC/NFOEC, Mar. 2010.

Schupke, D. A.

R. Huelsermann, M. Gunkel, C. Meusburger, and D. A. Schupke, “Cost modeling and evaluation of capital expenditures in optical multilayer networks,” J. Opt. Commun. Netw., vol.  7, no. 9, pp. 814–883, Sept. 2008.
[CrossRef]

Scott, R. P.

D. J. Geisler, N. K. Fontaine, R. P. Scott, L. Paraschis, O. Gerstel, and S. J. B. Yoo, “Flexible bandwidth arbitrary modulation format, coherent optical transmission system scalable to terahertz BW,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 18–22, 2011, paper We.10.P1.49.

Serra, L.

Simeonidou, D.

V. López, O. González, O. Gerstel, N. Amaya, G. Zervas, D. Simeonidou, and J. P. Fernandez-Palacios, “Target cost for sliceable bandwidth variable transponders in a real core network,” in FUNEMS, July 3–5, 2013.

Sone, Y.

M. Jinno, H. Takara, Y. Sone, K. Yonenaga, and A. Hirano, “Multiflow optical transponder for efficient multilayer optical networking,” IEEE Commun. Mag., vol.  50, no. 5, pp. 56–65, May 2012.
[CrossRef]

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

Takada, A.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

Takara, H.

M. Jinno, H. Takara, Y. Sone, K. Yonenaga, and A. Hirano, “Multiflow optical transponder for efficient multilayer optical networking,” IEEE Commun. Mag., vol.  50, no. 5, pp. 56–65, May 2012.
[CrossRef]

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

Tanaka, T.

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

T. Tanaka, A. Hirano, and M. Jinno, “Performance evaluation of elastic optical networks with multi-flow optical transponders,” in European Conf. and Exhibition on Optical Communication, 2012, paper Tu.3.D.2.

Tkach, R. W.

S. K. Korotky, R.-J. Essiambre, and R. W. Tkach, “Expectations of optical network traffic gain afforded by bit rate adaptive transmission,” Bell Labs Tech. J., vol.  14, pp. 285–295, Feb. 2010.
[CrossRef]

Tovar, A.

L. M. Contreras, V. López, O. González de Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernández-Palacios, and J. Folgueira, “Towards cloud-ready transport networks,” IEEE Commun. Mag., vol.  50, no. 9, pp. 48–55, Sept. 2012.
[CrossRef]

Tsukishima, Y.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

Watanabe, A.

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

Yonenaga, K.

M. Jinno, H. Takara, Y. Sone, K. Yonenaga, and A. Hirano, “Multiflow optical transponder for efficient multilayer optical networking,” IEEE Commun. Mag., vol.  50, no. 5, pp. 56–65, May 2012.
[CrossRef]

H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

Yoo, S. J. B.

D. J. Geisler, N. K. Fontaine, R. P. Scott, L. Paraschis, O. Gerstel, and S. J. B. Yoo, “Flexible bandwidth arbitrary modulation format, coherent optical transmission system scalable to terahertz BW,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 18–22, 2011, paper We.10.P1.49.

Yoshimatsu, T.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

Zervas, G.

V. López, O. González, O. Gerstel, N. Amaya, G. Zervas, D. Simeonidou, and J. P. Fernandez-Palacios, “Target cost for sliceable bandwidth variable transponders in a real core network,” in FUNEMS, July 3–5, 2013.

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M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, T. Yoshimatsu, T. Kobayashi, Y. Miyamoto, K. Yonenaga, A. Takada, O. Ishida, and S. Matsuoka, “Demonstration of novel spectrum-efficient elastic optical path network with per channel variable capacity of 40  Gb/s to over 400  Gb/s,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 21–25, 2008.

D. J. Geisler, N. K. Fontaine, R. P. Scott, L. Paraschis, O. Gerstel, and S. J. B. Yoo, “Flexible bandwidth arbitrary modulation format, coherent optical transmission system scalable to terahertz BW,” in European Conf. and Exhibition on Optical Communication (ECOC), Sept. 18–22, 2011, paper We.10.P1.49.

A. Klekamp, O. Rival, A. Morea, R. Dischler, and F. Buchali, “Transparent WDM network with bitrate tunable optical OFDM transponders,” in OFC/NFOEC, Mar. 2010.

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H. Takara, B. Kozicki, Y. Sone, T. Tanaka, A. Watanabe, A. Hirano, K. Yonenaga, and M. Jinno, “Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM,” in 36th European Conf. and Exhibition on Optical Communication (ECOC), Sept. 19–23, 2010.

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Figures (16)

Fig. 1.
Fig. 1.

Illustration of the functionalities of (a) a bandwidth variable transponder and (b) a sliceable bandwidth variable transponder.

Fig. 2.
Fig. 2.

Configurations based on Nyquist WDM: (a) BVT and (b) SBVT. LD, laser diode; MOD, modulator; OF, optical filter; TLD, tunable LD; TOF, tunable OF.

Fig. 3.
Fig. 3.

Example SBVT based on state of the art technologies.

Fig. 4.
Fig. 4.

Models for the study with and without an SBVT. (a) Non-sliceable transponder model. (b) SBVT model. FW card: forwarding card.

Fig. 5.
Fig. 5.

Reference network based on the Spanish backbone.

Fig. 6.
Fig. 6.

Target cost for an SBVT (400Gb/s and 1Tb/s) and reference costs for non-sliceable transponders.

Fig. 7.
Fig. 7.

Cost increment of the SBVT (400Gb/s and 1Tb/s) in comparison with non-sliceable transponders.

Fig. 8.
Fig. 8.

Comparison of transponder costs for the non-sliceable model without savings and with 50% and 75% savings and minimum cost of SBVTs. (a) SBVT capacity at 400Gb/s. (b) SBVT capacity at 1Tb/s.

Fig. 9.
Fig. 9.

Target cost for SBVTs (400Gb/s and 1Tb/s) and reference costs for non-sliceable transponders.

Fig. 10.
Fig. 10.

Cost increment of the SBVT (400Gb/s and 1Tb/s) in comparison with non-sliceable transponders.

Fig. 11.
Fig. 11.

Target cost for SBVT (400Gb/s and 1Tb/s) and reference costs for non-sliceable transponders.

Fig. 12.
Fig. 12.

Architectural options for interconnecting routers and SBVTs. (a) Using an Ethernet switch or an OTN cross connect between the router and the SBVT. (b) Using multiple 100GE links between the router and the SBVT.

Fig. 13.
Fig. 13.

Percentage of line card cost saved by using SBVTs at 400Gb/s versus non-sliceable transponders.

Fig. 14.
Fig. 14.

Percentage of line card cost saved by using SBVTs at 1Tb/s versus non-sliceable transponders.

Fig. 15.
Fig. 15.

Percentage of total savings by using SBVTs at 400Gb/s versus non-sliceable transponders.

Fig. 16.
Fig. 16.

Percentage of total savings by using SBVTs at 1Tb/s versus non-sliceable transponders.

Tables (3)

Tables Icon

TABLE I Non-sliceable Transponder Costs [13]

Tables Icon

TABLE II Percentage of Number of Transponders Saved by Using 10Gb/s for Granularity Versus 40Gb/s and 100Gb/s

Tables Icon

TABLE III IP/MPLS Router Line Card Costs