Abstract

In current multi-domain networks relying on the path computation element (PCE) architecture, domain sequence computation can be performed through mechanisms which may fail to guarantee both efficient resource utilization and an adequate level of confidentiality and scalability. In this study, we first propose a hierarchical instance of a path-vector protocol, called the domain sequence protocol (DSP), dedicated to provide the PCE with effective domain sequence information. Then we consider and evaluate through simulations the performance of the integrated DSP-PCE architecture. Results show that, compared to current routing solutions based on the border gateway protocol, significant improvements can be achieved in terms of the overall network resource utilization. In addition, this study identifies the most suitable DSP-PCE features for different network scenarios, including the announcement of single or multiple routes per domain, the advertisement of aggregate or maximum reservable inter-domain bandwidth information, the use of different PCE-based path computation procedures, and the possibility to perform additional computation attempts along different domain sequences. Finally, the experimental implementation of the proposed DSP-PCE architecture is provided to show its feasibility and its fast convergence time in the range of a few milliseconds.

© 2012 OSA

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  2. M. Chamania and A. Jukan, “A survey of inter-domain peering and provisioning solutions for the next generation optical networks,” IEEE Commun. Surv. Tutorials, vol. 11, no. 1, pp. 33–51, 2009.
    [CrossRef]
  3. X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
    [CrossRef]
  4. A. Manolova, S. Ruepp, J. Buron, and L. Dittmann, “On the efficiency of BGP-TE extensions for GMPLS multi-domain routing,” in ONDM, 2009.
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  13. G. Maier, C. Busca, and A. Pattavina, “Multi-domain routing techniques with topology aggregation in ASON networks,” in ONDM, Mar. 2008.
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  15. D. King and A. Farrel, “The application of the path computation element architecture to the determination of a sequence of domains in MPLS and GMPLS,” draft-ietf-pce-hierarchy-fwk-00, Oct.2011.
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  17. R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.
  18. F. Cugini, F. Paolucci, L. Valcarenghi, P. Castoldi, and A. Welin, “PCE communication protocol for resource advertisement in multi-domain BGP-based networks,” in Optical Fiber Communication Conf. (OFC), 2009, pp. 1–3.
  19. L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.
  20. F. Aslam, Z. Uzmi, and A. Farrel, “Interdomain path computation: Challenges and solutions for label switched networks,” IEEE Commun. Mag., vol. 45, no. 10, pp. 94–101, Oct.2007.
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  21. M. Chen, R. Zhang, and X. Duan, “OSPF extensions in support of inter-autonomous system (AS) MPLS and GMPLS traffic engineering,” IETF RFC 5392, Jan.2009.

2010 (1)

2009 (1)

M. Chamania and A. Jukan, “A survey of inter-domain peering and provisioning solutions for the next generation optical networks,” IEEE Commun. Surv. Tutorials, vol. 11, no. 1, pp. 33–51, 2009.
[CrossRef]

2008 (1)

R. Douville, J.-L. Le Roux, J.-L. Rougier, and S. Secci, “A service plane over the PCE architecture for automatic multidomain connection-oriented services,” IEEE Commun. Mag., vol. 46, no. 6, pp. 94–102, 2008.
[CrossRef]

2007 (2)

F. Aslam, Z. Uzmi, and A. Farrel, “Interdomain path computation: Challenges and solutions for label switched networks,” IEEE Commun. Mag., vol. 45, no. 10, pp. 94–101, Oct.2007.
[CrossRef]

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

2006 (1)

Q. Liu, M. Kök, N. Ghani, and A. Gumaste, “Hierarchical routing in multi-domain optical networks,” Comput. Commun., vol. 30, no. 1, pp. 122–131, 2006.
[CrossRef]

Agraz, F.

S. Spadaro, J. Perello, G. Hernandez-Sola, A. Moreno, F. Agraz, J. Comellas, and G. Junyent, “Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks,” in ICTON, July 2010.

Ash, J.

A. Farrel, J. P. Vasseur, and J. Ash, “A path computation element (PCE)-based architecture,” IETF RFC 4655, Aug.2006.

Aslam, F.

F. Aslam, Z. Uzmi, and A. Farrel, “Interdomain path computation: Challenges and solutions for label switched networks,” IEEE Commun. Mag., vol. 45, no. 10, pp. 94–101, Oct.2007.
[CrossRef]

Bardellini, M.

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

Beben, A.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Bitar, N.

J. Vasseur, R. Zhang, N. Bitar, and J. Le Roux, “A backward-recursive PCE-based computation (BRPC) procedure to compute shortest constrained inter-domain traffic engineering label switched paths,” IETF RFC 5441, Apr.2009.

Bottari, G.

Burakowski, W.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Buron, J.

A. Manolova, S. Ruepp, J. Buron, and L. Dittmann, “On the efficiency of BGP-TE extensions for GMPLS multi-domain routing,” in ONDM, 2009.

Busca, C.

G. Maier, C. Busca, and A. Pattavina, “Multi-domain routing techniques with topology aggregation in ASON networks,” in ONDM, Mar. 2008.

Buzzi, L.

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

Callejo, M. A.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Casellas, R.

R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.

Castoldi, P.

F. Paolucci, F. Cugini, P. Iovanna, G. Bottari, L. Valcarenghi, and P. Castoldi, “Delay-bandwidth-aware metric abstraction schemes for OIF E-NNI multidomain traffic engineering,” J. Opt. Commun. Netw., vol. 2, no. 10, pp. 782–792, Oct.2010.
[CrossRef]

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

F. Cugini, F. Paolucci, L. Valcarenghi, P. Castoldi, and A. Welin, “PCE communication protocol for resource advertisement in multi-domain BGP-based networks,” in Optical Fiber Communication Conf. (OFC), 2009, pp. 1–3.

A. Giorgetti, F. Paolucci, F. Cugini, and P. Castoldi, “Hierarchical PCE in GMPLS-based multi-domain wavelength switched optical networks,” in OFC/NFOEC, Mar. 2011, pp. 1–3.

Chamania, M.

M. Chamania and A. Jukan, “A survey of inter-domain peering and provisioning solutions for the next generation optical networks,” IEEE Commun. Surv. Tutorials, vol. 11, no. 1, pp. 33–51, 2009.
[CrossRef]

Chen, E.

D. Walton, A. Retana, E. Chen, and J. Scudder, “Advertisement of multiple paths in BGP,” draft-walton-bgp-add-paths-07, June2012.

Chen, M.

M. Chen, R. Zhang, and X. Duan, “OSPF extensions in support of inter-autonomous system (AS) MPLS and GMPLS traffic engineering,” IETF RFC 5392, Jan.2009.

Comellas, J.

S. Spadaro, J. Perello, G. Hernandez-Sola, A. Moreno, F. Agraz, J. Comellas, and G. Junyent, “Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks,” in ICTON, July 2010.

Cordeiro, L.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Cugini, F.

F. Paolucci, F. Cugini, P. Iovanna, G. Bottari, L. Valcarenghi, and P. Castoldi, “Delay-bandwidth-aware metric abstraction schemes for OIF E-NNI multidomain traffic engineering,” J. Opt. Commun. Netw., vol. 2, no. 10, pp. 782–792, Oct.2010.
[CrossRef]

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

A. Giorgetti, F. Paolucci, F. Cugini, and P. Castoldi, “Hierarchical PCE in GMPLS-based multi-domain wavelength switched optical networks,” in OFC/NFOEC, Mar. 2011, pp. 1–3.

F. Cugini, F. Paolucci, L. Valcarenghi, P. Castoldi, and A. Welin, “PCE communication protocol for resource advertisement in multi-domain BGP-based networks,” in Optical Fiber Communication Conf. (OFC), 2009, pp. 1–3.

Diaz, M.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Dittmann, L.

A. Manolova, S. Ruepp, J. Buron, and L. Dittmann, “On the efficiency of BGP-TE extensions for GMPLS multi-domain routing,” in ONDM, 2009.

Domingo-Pascual, J.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Douville, R.

R. Douville, J.-L. Le Roux, J.-L. Rougier, and S. Secci, “A service plane over the PCE architecture for automatic multidomain connection-oriented services,” IEEE Commun. Mag., vol. 46, no. 6, pp. 94–102, 2008.
[CrossRef]

Duan, X.

M. Chen, R. Zhang, and X. Duan, “OSPF extensions in support of inter-autonomous system (AS) MPLS and GMPLS traffic engineering,” IETF RFC 5392, Jan.2009.

Enriquez-Gabeiras, J.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Farrel, A.

F. Aslam, Z. Uzmi, and A. Farrel, “Interdomain path computation: Challenges and solutions for label switched networks,” IEEE Commun. Mag., vol. 45, no. 10, pp. 94–101, Oct.2007.
[CrossRef]

A. Farrel, J. P. Vasseur, and J. Ash, “A path computation element (PCE)-based architecture,” IETF RFC 4655, Aug.2006.

D. King and A. Farrel, “The application of the path computation element architecture to the determination of a sequence of domains in MPLS and GMPLS,” draft-ietf-pce-hierarchy-fwk-00, Oct.2011.

Ghani, N.

Q. Liu, M. Kök, N. Ghani, and A. Gumaste, “Hierarchical routing in multi-domain optical networks,” Comput. Commun., vol. 30, no. 1, pp. 122–131, 2006.
[CrossRef]

Giorgetti, A.

A. Giorgetti, F. Paolucci, F. Cugini, and P. Castoldi, “Hierarchical PCE in GMPLS-based multi-domain wavelength switched optical networks,” in OFC/NFOEC, Mar. 2011, pp. 1–3.

Gumaste, A.

Q. Liu, M. Kök, N. Ghani, and A. Gumaste, “Hierarchical routing in multi-domain optical networks,” Comput. Commun., vol. 30, no. 1, pp. 122–131, 2006.
[CrossRef]

Hernandez-Sola, G.

S. Spadaro, J. Perello, G. Hernandez-Sola, A. Moreno, F. Agraz, J. Comellas, and G. Junyent, “Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks,” in ICTON, July 2010.

Iovanna, P.

Jukan, A.

M. Chamania and A. Jukan, “A survey of inter-domain peering and provisioning solutions for the next generation optical networks,” IEEE Commun. Surv. Tutorials, vol. 11, no. 1, pp. 33–51, 2009.
[CrossRef]

Junyent, G.

S. Spadaro, J. Perello, G. Hernandez-Sola, A. Moreno, F. Agraz, J. Comellas, and G. Junyent, “Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks,” in ICTON, July 2010.

King, D.

D. King and A. Farrel, “The application of the path computation element architecture to the determination of a sequence of domains in MPLS and GMPLS,” draft-ietf-pce-hierarchy-fwk-00, Oct.2011.

Kök, M.

Q. Liu, M. Kök, N. Ghani, and A. Gumaste, “Hierarchical routing in multi-domain optical networks,” Comput. Commun., vol. 30, no. 1, pp. 122–131, 2006.
[CrossRef]

Le Roux, J.

J. Vasseur, R. Zhang, N. Bitar, and J. Le Roux, “A backward-recursive PCE-based computation (BRPC) procedure to compute shortest constrained inter-domain traffic engineering label switched paths,” IETF RFC 5441, Apr.2009.

J. Vasseur and J. Le Roux, “Path computation element (PCE) communication protocol (PCEP),” IETF RFC 5440, Mar.2009.

Le Roux, J.-L.

R. Douville, J.-L. Le Roux, J.-L. Rougier, and S. Secci, “A service plane over the PCE architecture for automatic multidomain connection-oriented services,” IEEE Commun. Mag., vol. 46, no. 6, pp. 94–102, 2008.
[CrossRef]

Liu, L.

R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.

Liu, Q.

Q. Liu, M. Kök, N. Ghani, and A. Gumaste, “Hierarchical routing in multi-domain optical networks,” Comput. Commun., vol. 30, no. 1, pp. 122–131, 2006.
[CrossRef]

Maier, G.

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

G. Maier, C. Busca, and A. Pattavina, “Multi-domain routing techniques with topology aggregation in ASON networks,” in ONDM, Mar. 2008.

Manolova, A.

A. Manolova, S. Ruepp, J. Buron, and L. Dittmann, “On the efficiency of BGP-TE extensions for GMPLS multi-domain routing,” in ONDM, 2009.

Martinez, R.

R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.

Masip-Bruin, X.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Mingozzi, E.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Monteiro, E.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Moreno, A.

S. Spadaro, J. Perello, G. Hernandez-Sola, A. Moreno, F. Agraz, J. Comellas, and G. Junyent, “Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks,” in ICTON, July 2010.

Morita, I.

R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.

Munoz, R.

R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.

Paolucci, F.

F. Paolucci, F. Cugini, P. Iovanna, G. Bottari, L. Valcarenghi, and P. Castoldi, “Delay-bandwidth-aware metric abstraction schemes for OIF E-NNI multidomain traffic engineering,” J. Opt. Commun. Netw., vol. 2, no. 10, pp. 782–792, Oct.2010.
[CrossRef]

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

F. Cugini, F. Paolucci, L. Valcarenghi, P. Castoldi, and A. Welin, “PCE communication protocol for resource advertisement in multi-domain BGP-based networks,” in Optical Fiber Communication Conf. (OFC), 2009, pp. 1–3.

A. Giorgetti, F. Paolucci, F. Cugini, and P. Castoldi, “Hierarchical PCE in GMPLS-based multi-domain wavelength switched optical networks,” in OFC/NFOEC, Mar. 2011, pp. 1–3.

Pattavina, A.

G. Maier, C. Busca, and A. Pattavina, “Multi-domain routing techniques with topology aggregation in ASON networks,” in ONDM, Mar. 2008.

Perello, J.

S. Spadaro, J. Perello, G. Hernandez-Sola, A. Moreno, F. Agraz, J. Comellas, and G. Junyent, “Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks,” in ICTON, July 2010.

Racaru, F.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Retana, A.

D. Walton, A. Retana, E. Chen, and J. Scudder, “Advertisement of multiple paths in BGP,” draft-walton-bgp-add-paths-07, June2012.

Rougier, J.-L.

R. Douville, J.-L. Le Roux, J.-L. Rougier, and S. Secci, “A service plane over the PCE architecture for automatic multidomain connection-oriented services,” IEEE Commun. Mag., vol. 46, no. 6, pp. 94–102, 2008.
[CrossRef]

Ruepp, S.

A. Manolova, S. Ruepp, J. Buron, and L. Dittmann, “On the efficiency of BGP-TE extensions for GMPLS multi-domain routing,” in ONDM, 2009.

Scudder, J.

D. Walton, A. Retana, E. Chen, and J. Scudder, “Advertisement of multiple paths in BGP,” draft-walton-bgp-add-paths-07, June2012.

Secci, S.

R. Douville, J.-L. Le Roux, J.-L. Rougier, and S. Secci, “A service plane over the PCE architecture for automatic multidomain connection-oriented services,” IEEE Commun. Mag., vol. 46, no. 6, pp. 94–102, 2008.
[CrossRef]

Serral-Gracia, R.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
[CrossRef]

Siracusa, D.

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

Spadaro, S.

S. Spadaro, J. Perello, G. Hernandez-Sola, A. Moreno, F. Agraz, J. Comellas, and G. Junyent, “Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks,” in ICTON, July 2010.

Stea, G.

X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
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R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.

Tsurusawa, M.

R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.

Uzmi, Z.

F. Aslam, Z. Uzmi, and A. Farrel, “Interdomain path computation: Challenges and solutions for label switched networks,” IEEE Commun. Mag., vol. 45, no. 10, pp. 94–101, Oct.2007.
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F. Cugini, F. Paolucci, L. Valcarenghi, P. Castoldi, and A. Welin, “PCE communication protocol for resource advertisement in multi-domain BGP-based networks,” in Optical Fiber Communication Conf. (OFC), 2009, pp. 1–3.

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

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J. Vasseur and J. Le Roux, “Path computation element (PCE) communication protocol (PCEP),” IETF RFC 5440, Mar.2009.

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A. Farrel, J. P. Vasseur, and J. Ash, “A path computation element (PCE)-based architecture,” IETF RFC 4655, Aug.2006.

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D. Walton, A. Retana, E. Chen, and J. Scudder, “Advertisement of multiple paths in BGP,” draft-walton-bgp-add-paths-07, June2012.

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F. Cugini, F. Paolucci, L. Valcarenghi, P. Castoldi, and A. Welin, “PCE communication protocol for resource advertisement in multi-domain BGP-based networks,” in Optical Fiber Communication Conf. (OFC), 2009, pp. 1–3.

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Zhang, R.

M. Chen, R. Zhang, and X. Duan, “OSPF extensions in support of inter-autonomous system (AS) MPLS and GMPLS traffic engineering,” IETF RFC 5392, Jan.2009.

J. Vasseur, R. Zhang, N. Bitar, and J. Le Roux, “A backward-recursive PCE-based computation (BRPC) procedure to compute shortest constrained inter-domain traffic engineering label switched paths,” IETF RFC 5441, Apr.2009.

Comput. Commun. (1)

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IEEE Commun. Mag. (3)

F. Aslam, Z. Uzmi, and A. Farrel, “Interdomain path computation: Challenges and solutions for label switched networks,” IEEE Commun. Mag., vol. 45, no. 10, pp. 94–101, Oct.2007.
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X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracia, J. Domingo-Pascual, J. Enriquez-Gabeiras, M. A. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, and L. Cordeiro, “The EuQoS system: a solution for QoS routing in heterogeneous networks,” IEEE Commun. Mag., vol. 45, no. 2, pp. 96–103, 2007.
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M. Chen, R. Zhang, and X. Duan, “OSPF extensions in support of inter-autonomous system (AS) MPLS and GMPLS traffic engineering,” IETF RFC 5392, Jan.2009.

A. Manolova, S. Ruepp, J. Buron, and L. Dittmann, “On the efficiency of BGP-TE extensions for GMPLS multi-domain routing,” in ONDM, 2009.

D. Walton, A. Retana, E. Chen, and J. Scudder, “Advertisement of multiple paths in BGP,” draft-walton-bgp-add-paths-07, June2012.

A. Farrel, J. P. Vasseur, and J. Ash, “A path computation element (PCE)-based architecture,” IETF RFC 4655, Aug.2006.

G.Imp8080: Implementers Guide for ITU-T Rec. G.8080/Y.1304 (05/2005)—Architecture for the automatically switched optical network (ASON), ITU-T, 2007.

J. Vasseur and J. Le Roux, “Path computation element (PCE) communication protocol (PCEP),” IETF RFC 5440, Mar.2009.

J. Vasseur, R. Zhang, N. Bitar, and J. Le Roux, “A backward-recursive PCE-based computation (BRPC) procedure to compute shortest constrained inter-domain traffic engineering label switched paths,” IETF RFC 5441, Apr.2009.

External network-network interface (E-NNI) OSPF-based routing - 1.0 (Intra-Carrier) implementation agreement, Optical Internetworking Forum, Jan.2007.

S. Spadaro, J. Perello, G. Hernandez-Sola, A. Moreno, F. Agraz, J. Comellas, and G. Junyent, “Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks,” in ICTON, July 2010.

G. Maier, C. Busca, and A. Pattavina, “Multi-domain routing techniques with topology aggregation in ASON networks,” in ONDM, Mar. 2008.

D. King and A. Farrel, “The application of the path computation element architecture to the determination of a sequence of domains in MPLS and GMPLS,” draft-ietf-pce-hierarchy-fwk-00, Oct.2011.

A. Giorgetti, F. Paolucci, F. Cugini, and P. Castoldi, “Hierarchical PCE in GMPLS-based multi-domain wavelength switched optical networks,” in OFC/NFOEC, Mar. 2011, pp. 1–3.

R. Casellas, R. Martinez, R. Munoz, L. Liu, T. Tsuritani, I. Morita, and M. Tsurusawa, “Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE,” in ECOC, Sept. 2011, pp. 1–3.

F. Cugini, F. Paolucci, L. Valcarenghi, P. Castoldi, and A. Welin, “PCE communication protocol for resource advertisement in multi-domain BGP-based networks,” in Optical Fiber Communication Conf. (OFC), 2009, pp. 1–3.

L. Buzzi, M. Bardellini, D. Siracusa, G. Maier, F. Paolucci, F. Cugini, L. Valcarenghi, and P. Castoldi, “Hierarchical border gateway protocol (HBGP) for PCE-based multi-domain traffic engineering,” in Proc. of ICC Conf., May 2010.

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