Abstract

Cloud radio access network (C-RAN) has become a promising scenario to accommodate high-performance services with ubiquitous user coverage and real-time cloud computing using cloud BBUs. In our previous work, we implemented cross stratum optimization of optical network and application stratums resources that allows to accommodate the services in optical networks. In view of this, this study extends to consider the multiple dimensional resources optimization of radio, optical and BBU processing in 5G age. We propose a novel multi-stratum resources optimization (MSRO) architecture with network functions virtualization for cloud-based radio over optical fiber networks (C-RoFN) using software defined control. A global evaluation scheme (GES) for MSRO in C-RoFN is introduced based on the proposed architecture. The MSRO can enhance the responsiveness to dynamic end-to-end user demands and globally optimize radio frequency, optical and BBU resources effectively to maximize radio coverage. The efficiency and feasibility of the proposed architecture are experimentally demonstrated on OpenFlow-based enhanced SDN testbed. The performance of GES under heavy traffic load scenario is also quantitatively evaluated based on MSRO architecture in terms of resource occupation rate and path provisioning latency, compared with other provisioning scheme.

© 2016 Optical Society of America

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References

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2015 (9)

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

J. Wu, Z. Zhang, Y. Hong, and Y. Wen, “Cloud radio access network (C-RAN): A primer,” IEEE Netw. 29(1), 35–41 (2015).
[Crossref]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Han, Y. Lin, and Y. Lee, “CSO: cross stratum optimization for optical as a service,” IEEE Commun. Mag. 53(8), 130–139 (2015).
[Crossref]

A. Pizzinat, P. Chanclou, F. Saliou, and T. Diallo, “Things you should know about fronthaul,” J. Lightwave Technol. 33(5), 1077–1083 (2015).
[Crossref]

H. Yang, J. Zhang, Y. Ji, R. Tian, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integration based on network function virtualization in software defined elastic data center optical interconnect,” Opt. Express 23(24), 31192–31205 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Ji, Y. Tan, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of data center service localization based on virtual resource migration in software defined elastic optical network,” Opt. Express 23(18), 23059–23071 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Wu, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integrated resilience for software defined inter-data center interconnect,” Opt. Express 23(10), 13384–13398 (2015).
[Crossref] [PubMed]

X. Rao and V. Lau, “Distributed fronthaul compression and joint signal recovery in Cloud-RAN,” IEEE Trans. Signal Process. 63(4), 1056–1065 (2015).
[Crossref]

B. Skubic, G. Bottari, A. Rostami, F. Cavaliere, and P. Ohlen, “Rethinking optical transport to pave the way for 5G and the networked society,” J. Lightwave Technol. 33(5), 1084–1091 (2015).
[Crossref]

2014 (3)

2013 (2)

2012 (1)

O. Gerstel, M. Jinno, A. Lord, and S. J. B. Yoo, “Elastic optical networking: a new dawn for the optical layer?” IEEE Commun. Mag. 50(2), s12–s20 (2012).
[Crossref]

2009 (1)

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, and S. Matsuoka, “Spectrum-efficient and scalable elastic optical path network: architecture, benefits, and enabling technologies,” IEEE Commun. Mag. 47(11), 66–73 (2009).
[Crossref]

Amaya, N.

Andrews, J. G.

J. G. Andrews, S. Buzzi, W. Choi, S. V. Hanly, A. Lozano, A. C. K. Soong, and J. C. Zhang, “What will 5G be?” IEEE J. Sel. Areas Commun. 32(6), 1065–1082 (2014).
[Crossref]

Autenrieth, A.

Azcorra, A.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Bottari, G.

Buzzi, S.

J. G. Andrews, S. Buzzi, W. Choi, S. V. Hanly, A. Lozano, A. C. K. Soong, and J. C. Zhang, “What will 5G be?” IEEE J. Sel. Areas Commun. 32(6), 1065–1082 (2014).
[Crossref]

Casellas, R.

Cavaliere, F.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

B. Skubic, G. Bottari, A. Rostami, F. Cavaliere, and P. Ohlen, “Rethinking optical transport to pave the way for 5G and the networked society,” J. Lightwave Technol. 33(5), 1084–1091 (2015).
[Crossref]

Chanclou, P.

Channegowda, M.

Choi, W.

J. G. Andrews, S. Buzzi, W. Choi, S. V. Hanly, A. Lozano, A. C. K. Soong, and J. C. Zhang, “What will 5G be?” IEEE J. Sel. Areas Commun. 32(6), 1065–1082 (2014).
[Crossref]

Diallo, T.

Elbers, J. P.

Gerstel, O.

O. Gerstel, M. Jinno, A. Lord, and S. J. B. Yoo, “Elastic optical networking: a new dawn for the optical layer?” IEEE Commun. Mag. 50(2), s12–s20 (2012).
[Crossref]

Giglio, A.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Han, J.

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Han, Y. Lin, and Y. Lee, “CSO: cross stratum optimization for optical as a service,” IEEE Commun. Mag. 53(8), 130–139 (2015).
[Crossref]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Wu, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integrated resilience for software defined inter-data center interconnect,” Opt. Express 23(10), 13384–13398 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Ji, Y. Tan, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of data center service localization based on virtual resource migration in software defined elastic optical network,” Opt. Express 23(18), 23059–23071 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Ji, R. Tian, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integration based on network function virtualization in software defined elastic data center optical interconnect,” Opt. Express 23(24), 31192–31205 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, H. Li, Y. Lin, G. Li, J. Han, Y. Lee, and T. Ma, “Performance evaluation of time-aware enhanced software defined networking (TeSDN) for elastic data center optical interconnection,” Opt. Express 22(15), 17630–17643 (2014).
[Crossref] [PubMed]

J. Zhang, H. Yang, Y. Zhao, Y. Ji, H. Li, Y. Lin, G. Li, J. Han, Y. Lee, and T. Ma, “Experimental demonstration of elastic optical networks based on enhanced software defined networking (eSDN) for data center application,” Opt. Express 21(22), 26990–27002 (2013).
[Crossref] [PubMed]

Hanly, S. V.

J. G. Andrews, S. Buzzi, W. Choi, S. V. Hanly, A. Lozano, A. C. K. Soong, and J. C. Zhang, “What will 5G be?” IEEE J. Sel. Areas Commun. 32(6), 1065–1082 (2014).
[Crossref]

Haustein, T.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Hong, Y.

J. Wu, Z. Zhang, Y. Hong, and Y. Wen, “Cloud radio access network (C-RAN): A primer,” IEEE Netw. 29(1), 35–41 (2015).
[Crossref]

Iovanna, P.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Ji, Y.

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Han, Y. Lin, and Y. Lee, “CSO: cross stratum optimization for optical as a service,” IEEE Commun. Mag. 53(8), 130–139 (2015).
[Crossref]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Wu, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integrated resilience for software defined inter-data center interconnect,” Opt. Express 23(10), 13384–13398 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Ji, Y. Tan, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of data center service localization based on virtual resource migration in software defined elastic optical network,” Opt. Express 23(18), 23059–23071 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Ji, R. Tian, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integration based on network function virtualization in software defined elastic data center optical interconnect,” Opt. Express 23(24), 31192–31205 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, H. Li, Y. Lin, G. Li, J. Han, Y. Lee, and T. Ma, “Performance evaluation of time-aware enhanced software defined networking (TeSDN) for elastic data center optical interconnection,” Opt. Express 22(15), 17630–17643 (2014).
[Crossref] [PubMed]

J. Zhang, H. Yang, Y. Zhao, Y. Ji, H. Li, Y. Lin, G. Li, J. Han, Y. Lee, and T. Ma, “Experimental demonstration of elastic optical networks based on enhanced software defined networking (eSDN) for data center application,” Opt. Express 21(22), 26990–27002 (2013).
[Crossref] [PubMed]

Jinno, M.

O. Gerstel, M. Jinno, A. Lord, and S. J. B. Yoo, “Elastic optical networking: a new dawn for the optical layer?” IEEE Commun. Mag. 50(2), s12–s20 (2012).
[Crossref]

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, and S. Matsuoka, “Spectrum-efficient and scalable elastic optical path network: architecture, benefits, and enabling technologies,” IEEE Commun. Mag. 47(11), 66–73 (2009).
[Crossref]

Kaczmarek, P.

Kostecki, P.

Kozicki, B.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, and S. Matsuoka, “Spectrum-efficient and scalable elastic optical path network: architecture, benefits, and enabling technologies,” IEEE Commun. Mag. 47(11), 66–73 (2009).
[Crossref]

Lau, V.

X. Rao and V. Lau, “Distributed fronthaul compression and joint signal recovery in Cloud-RAN,” IEEE Trans. Signal Process. 63(4), 1056–1065 (2015).
[Crossref]

Lee, Y.

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Han, Y. Lin, and Y. Lee, “CSO: cross stratum optimization for optical as a service,” IEEE Commun. Mag. 53(8), 130–139 (2015).
[Crossref]

H. Yang, J. Zhang, Y. Ji, Y. Tan, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of data center service localization based on virtual resource migration in software defined elastic optical network,” Opt. Express 23(18), 23059–23071 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Wu, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integrated resilience for software defined inter-data center interconnect,” Opt. Express 23(10), 13384–13398 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Ji, R. Tian, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integration based on network function virtualization in software defined elastic data center optical interconnect,” Opt. Express 23(24), 31192–31205 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, H. Li, Y. Lin, G. Li, J. Han, Y. Lee, and T. Ma, “Performance evaluation of time-aware enhanced software defined networking (TeSDN) for elastic data center optical interconnection,” Opt. Express 22(15), 17630–17643 (2014).
[Crossref] [PubMed]

J. Zhang, H. Yang, Y. Zhao, Y. Ji, H. Li, Y. Lin, G. Li, J. Han, Y. Lee, and T. Ma, “Experimental demonstration of elastic optical networks based on enhanced software defined networking (eSDN) for data center application,” Opt. Express 21(22), 26990–27002 (2013).
[Crossref] [PubMed]

Lessmann, J.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Li, G.

Li, H.

Lin, Y.

Liu, L.

Lord, A.

O. Gerstel, M. Jinno, A. Lord, and S. J. B. Yoo, “Elastic optical networking: a new dawn for the optical layer?” IEEE Commun. Mag. 50(2), s12–s20 (2012).
[Crossref]

Lozano, A.

J. G. Andrews, S. Buzzi, W. Choi, S. V. Hanly, A. Lozano, A. C. K. Soong, and J. C. Zhang, “What will 5G be?” IEEE J. Sel. Areas Commun. 32(6), 1065–1082 (2014).
[Crossref]

Ma, T.

Martínez, R.

Matsuoka, S.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, and S. Matsuoka, “Spectrum-efficient and scalable elastic optical path network: architecture, benefits, and enabling technologies,” IEEE Commun. Mag. 47(11), 66–73 (2009).
[Crossref]

Morita, I.

Mourad, A.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Muñoz, R.

Nejabati, R.

Ohlen, P.

Oliva, A.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Peng, S.

Peng, W. R.

Perez, X.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Pizzinat, A.

Rao, X.

X. Rao and V. Lau, “Distributed fronthaul compression and joint signal recovery in Cloud-RAN,” IEEE Trans. Signal Process. 63(4), 1056–1065 (2015).
[Crossref]

Rashidi Fard, M.

Rostami, A.

Saliou, F.

Simeonidou, D.

Skubic, B.

Sone, Y.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, and S. Matsuoka, “Spectrum-efficient and scalable elastic optical path network: architecture, benefits, and enabling technologies,” IEEE Commun. Mag. 47(11), 66–73 (2009).
[Crossref]

Soong, A. C. K.

J. G. Andrews, S. Buzzi, W. Choi, S. V. Hanly, A. Lozano, A. C. K. Soong, and J. C. Zhang, “What will 5G be?” IEEE J. Sel. Areas Commun. 32(6), 1065–1082 (2014).
[Crossref]

Takara, H.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, and S. Matsuoka, “Spectrum-efficient and scalable elastic optical path network: architecture, benefits, and enabling technologies,” IEEE Commun. Mag. 47(11), 66–73 (2009).
[Crossref]

Tan, Y.

Tian, R.

Tiegelbekkers, D.

A. Oliva, X. Perez, A. Azcorra, A. Giglio, F. Cavaliere, D. Tiegelbekkers, J. Lessmann, T. Haustein, A. Mourad, and P. Iovanna, “Xhaul: toward an integrated fronthaul/backhaul architecture in 5G networks,” IEEE Wirel. Commun. 22(5), 32–40 (2015).
[Crossref]

Tsukishima, Y.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, and S. Matsuoka, “Spectrum-efficient and scalable elastic optical path network: architecture, benefits, and enabling technologies,” IEEE Commun. Mag. 47(11), 66–73 (2009).
[Crossref]

Tsuritani, T.

Vilalta, R.

Wen, Y.

J. Wu, Z. Zhang, Y. Hong, and Y. Wen, “Cloud radio access network (C-RAN): A primer,” IEEE Netw. 29(1), 35–41 (2015).
[Crossref]

Wu, J.

Yang, H.

H. Yang, J. Zhang, Y. Ji, R. Tian, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integration based on network function virtualization in software defined elastic data center optical interconnect,” Opt. Express 23(24), 31192–31205 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Wu, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integrated resilience for software defined inter-data center interconnect,” Opt. Express 23(10), 13384–13398 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Ji, Y. Tan, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of data center service localization based on virtual resource migration in software defined elastic optical network,” Opt. Express 23(18), 23059–23071 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Han, Y. Lin, and Y. Lee, “CSO: cross stratum optimization for optical as a service,” IEEE Commun. Mag. 53(8), 130–139 (2015).
[Crossref]

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H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Wu, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integrated resilience for software defined inter-data center interconnect,” Opt. Express 23(10), 13384–13398 (2015).
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H. Yang, J. Zhang, Y. Ji, R. Tian, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integration based on network function virtualization in software defined elastic data center optical interconnect,” Opt. Express 23(24), 31192–31205 (2015).
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J. Zhang, H. Yang, Y. Zhao, Y. Ji, H. Li, Y. Lin, G. Li, J. Han, Y. Lee, and T. Ma, “Experimental demonstration of elastic optical networks based on enhanced software defined networking (eSDN) for data center application,” Opt. Express 21(22), 26990–27002 (2013).
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IEEE J. Sel. Areas Commun. (1)

J. G. Andrews, S. Buzzi, W. Choi, S. V. Hanly, A. Lozano, A. C. K. Soong, and J. C. Zhang, “What will 5G be?” IEEE J. Sel. Areas Commun. 32(6), 1065–1082 (2014).
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J. Wu, Z. Zhang, Y. Hong, and Y. Wen, “Cloud radio access network (C-RAN): A primer,” IEEE Netw. 29(1), 35–41 (2015).
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Opt. Express (7)

L. Liu, W. R. Peng, R. Casellas, T. Tsuritani, I. Morita, R. Martínez, R. Muñoz, and S. J. B. Yoo, “Design and performance evaluation of an OpenFlow-based control plane for software-defined elastic optical networks with direct-detection optical OFDM (DDO-OFDM) transmission,” Opt. Express 22(1), 30–40 (2014).
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M. Channegowda, R. Nejabati, M. Rashidi Fard, S. Peng, N. Amaya, G. Zervas, D. Simeonidou, R. Vilalta, R. Casellas, R. Martínez, R. Muñoz, L. Liu, T. Tsuritani, I. Morita, A. Autenrieth, J. P. Elbers, P. Kostecki, and P. Kaczmarek, “Experimental demonstration of an OpenFlow based software-defined optical network employing packet, fixed and flexible DWDM grid technologies on an international multi-domain testbed,” Opt. Express 21(5), 5487–5498 (2013).
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[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Ji, R. Tian, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integration based on network function virtualization in software defined elastic data center optical interconnect,” Opt. Express 23(24), 31192–31205 (2015).
[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, H. Li, Y. Lin, G. Li, J. Han, Y. Lee, and T. Ma, “Performance evaluation of time-aware enhanced software defined networking (TeSDN) for elastic data center optical interconnection,” Opt. Express 22(15), 17630–17643 (2014).
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[Crossref] [PubMed]

H. Yang, J. Zhang, Y. Zhao, Y. Ji, J. Wu, Y. Lin, J. Han, and Y. Lee, “Performance evaluation of multi-stratum resources integrated resilience for software defined inter-data center interconnect,” Opt. Express 23(10), 13384–13398 (2015).
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Other (7)

R. Vilalta, R. Muñoz, R. Casellas, R. Martínez, V. López, and D. López, “Transport PCE Network Function Virtualization,” in Proceedings of European Conference and Exhibition on Optical Communications (ECOC 2014), (Optical Society of America, 2014), paper We.3.2.2.

R. Martínez, R. Casellas, R. Vilalta, and R. Muñoz, “Experimental assessment of GMPLS/PCE-controlled multi-flow optical transponders in flexgrid networks,” in Proceedings of Optical Fiber Communication Conference (OFC 2015), (Optical Society of America, 2015), paper Tu2B.4.
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F. Paolucci, F. Cugini, N. Hussain, F. Fresi, and L. Poti, “OpenFlow-based flexible optical networks with enhanced monitoring functionalities,” in Proceedings of European Conference and Exhibition on Optical Communications (ECOC 2012), (Optical Society of America, 2012), paper Tu.1.D.5.
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H. Yang, Y. Zhao, J. Zhang, Y. Tan, Y. Ji, J. Han, Y. Lin, and Y. Lee, “Data center service localization based on virtual resource migration in software defined elastic optical network,” in Proceedings of Optical Fiber Communication Conference (OFC 2015), (Optical Society of America, 2015), paper Th4G.4.
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R. Nejabati, S. Peng, M. Channegowda, B. Guo, and D. Simeonidou, “SDN and NFV Convergence a Technology Enabler for Abstracting and Virtualising Hardware and Control of Optical Networks (Invited),” in Proceedings of Optical Fiber Communication Conference (OFC 2015), (Optical Society of America, 2015), paper W4J.6.

M. Fiorani, P. Monti, B. Skubic, J. Martensson, L. Valcarenghi, P. Castoldi, and L. Wosinska, “Challenges for 5G transport networks,” in Proceedings of IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS 2014), (IEEE, 2014), 1–6.

K. Tanaka and A. Agata, “Next generation optical access networks for CRAN,” in Proceedings of Optical Fiber Communication Conference (OFC 2015), (Optical Society of America, 2015), paper Tu2E.1.

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Figures (7)

Fig. 1
Fig. 1 The architecture of MSRO based on network functions virtualization for software defined C-RoFN.
Fig. 2
Fig. 2 The functional models of radio, optical and BBU controllers.
Fig. 3
Fig. 3 (a) Simple network topology with six nodes. (b) The service requests. (c) Illustration of radio and spectrum allocation.
Fig. 4
Fig. 4 Experimental testbed for MSRO and demonstrator setup.
Fig. 5
Fig. 5 Wireshark capture of the message sequence for MSRO in (a) OC and (b) RC.
Fig. 6
Fig. 6 The front-end graphical user interface of testbed.
Fig. 7
Fig. 7 (a) Filter output of spectrum, and comparison on (b) resource occupation rate and (c) path provisioning latency among various schemes in heavy traffic load scenario.

Equations (4)

Equations on this page are rendered with MathJax. Learn more.

f ac ( U m t , U c t ,ϕ)=ϕ× U m t +(1ϕ)× U c t
f bc ( H p , W l )= l=1 H p W l
f cc ( B r , F r )= B r 2 / F r
α= f ac ( U m t , U c t ,ϕ ) max{ f a1 , f a2 f ak } β+ f bc ( W l , H p ) max{ f b1 , f b2 f bk } γ+ f cc ( B r , F r ) max{ f c1 , f c2 f ck } ( 1βγ )

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