Tabu Search For Service Function Chain Composition In NFV
Abstract—One of the main challenges for service providers when they try to deploy Network Function Virtualization based networks is to efficiently make use of substrate network resources to facilitate the design, delivery and operation of network services in a dynamic and scalable manner. This chall...
- Autores:
-
Gil Herrera, Juliver de Jesús
Botero Vega, Juan Felipe
- Tipo de recurso:
- Article of investigation
- Fecha de publicación:
- 2021
- Institución:
- Tecnológico de Antioquia
- Repositorio:
- Repositorio Tdea
- Idioma:
- eng
- OAI Identifier:
- oai:dspace.tdea.edu.co:tdea/2866
- Acceso en línea:
- https://dspace.tdea.edu.co/handle/tdea/2866
- Palabra clave:
- Communication networks
Network function virtualization
Virtual network functions
Resource allocation
Resource allocation
Affectation des ressources
- Rights
- closedAccess
- License
- http://purl.org/coar/access_right/c_14cb
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Tabu Search For Service Function Chain Composition In NFV |
| title |
Tabu Search For Service Function Chain Composition In NFV |
| spellingShingle |
Tabu Search For Service Function Chain Composition In NFV Communication networks Network function virtualization Virtual network functions Resource allocation Resource allocation Affectation des ressources |
| title_short |
Tabu Search For Service Function Chain Composition In NFV |
| title_full |
Tabu Search For Service Function Chain Composition In NFV |
| title_fullStr |
Tabu Search For Service Function Chain Composition In NFV |
| title_full_unstemmed |
Tabu Search For Service Function Chain Composition In NFV |
| title_sort |
Tabu Search For Service Function Chain Composition In NFV |
| dc.creator.fl_str_mv |
Gil Herrera, Juliver de Jesús Botero Vega, Juan Felipe |
| dc.contributor.author.none.fl_str_mv |
Gil Herrera, Juliver de Jesús Botero Vega, Juan Felipe |
| dc.subject.proposal.none.fl_str_mv |
Communication networks Network function virtualization Virtual network functions |
| topic |
Communication networks Network function virtualization Virtual network functions Resource allocation Resource allocation Affectation des ressources |
| dc.subject.unesco.none.fl_str_mv |
Resource allocation Resource allocation Affectation des ressources |
| description |
Abstract—One of the main challenges for service providers when they try to deploy Network Function Virtualization based networks is to efficiently make use of substrate network resources to facilitate the design, delivery and operation of network services in a dynamic and scalable manner. This challenge is known as Network Function Virtualization Resource Allocation, which can be addressed in two stages called Service Function Chain Composition and Service Function Chain Embedding. The main objective of the first stage is to compose an optimized chain of Virtual Network Functions, which offers a complete network service. The second stage is responsible for the embedding of such network service onto a physical infrastructure based on virtualization technologies. In this paper, we propose a metaheuristic algorithm to face the scalability challenges of exact approaches, when solving the composition stage. The performance of our metaheuristic approach shows that large, complex and heterogeneous service requests can be processed in reasonable running times, finding better results compared with existing heuristics in the state of the art. Index Terms—communication networks, network function virtualization, virtual network functions, resource allocation. |
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2023-05-12T21:05:58Z |
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2023-05-12T21:05:58Z |
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IEEE Latin America Transactions |
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V. Sekar, S. Ratnasamy, M. K. Reiter, N. Egi, and G. Shi. “The middlebox manifesto: Enabling innovation in middlebox deployment”. In Proc. HotNets, pages 21:1-21:6, 2011. J. Sherry and S. Ratnasamy, “A survey of enterprise middlebox deployments,” Dept. EECS, Univ. California, Berkeley, CA, USA, Tech. Rep. UCB/EECS-2012-24, Feb. 2012. B. Han, V. Gopalakrishnan, L. Ji, and S. Lee, ”Network function virtualization: Challenges and opportunities for innovations,” IEEE Communication Magazine., vol. 53, no. 2, pp. 90-97, Feb. 2015. Gil-Herrera, Juliver, and Botero, Juan Felipe. ”Network functions virtualization: A survey.” IEEE Latin America Transaction, p983-997, 2016 Mijumbi, Rashid, et al.”Network function virtualization: State-of-the-art and research challenges.” IEEE Communication Surveys & Tutorials, 2016 E. S. Correa, L. A. Fletscher, and J. F. Botero, “Virtual data center embedding: A survey,” IEEE Latin AmericaTransaction, vol. 13, no. 5, pp. 1661–1670, May 2015 J. Batalle, J. Ferrer Riera, E. Escalona, E. Grasa and J.A. García Espin. Virtual Network Function Scheduling-Concept and Challenges. Smart Communications in Network Technologies, p. 1-5, Jun 2014 A. Barakabitze, A. Arslan, M. Rashid, and H. Andrew, “5g network slicing using sdn and nfv: A survey of taxonomy, architectures and future challenges,” Computer Networks, vol. 167, pp. 1–40, February 2020 F. Callegati, W. Cerroni, C. Contoli, G. Santandrea, ”Implementing dynamic chaining of virtual network functions in open stack platform”, in: Proceedings of the 17th International Conference on Transparent Optical Networks (ICTON), pp. 14 July 2015 Zheng, Z., Bi, J., Yu, H., Wang, H., Sun, C., Hu, H., & Wu, J. (2019).Octans: Optimal Placement of Service Function Chains in Many-Core Systems. IEEE INFOCOM 2019 -IEEE Conference on Computer Communications.doi:10.1109/infocom.2019.8737544 Xie, Y., Wang, S., & Dai, Y. (2020). Revenue-maximizing virtualized network function chain placement in dynamic environment. Future Generation Computer Systems, 108, 650–661. doi:10.1016/j.future.2020.03.011 J. Gil-Herrera and J. F. Botero, "Resource Allocation in NFV: A Comprehensive Survey," in IEEE Transactions on Network and Service Management, vol. 13, no. 3, pp. 518-532, Sept. 2016. doi: 10.1109/TNSM.2016.2598420. J. Gil-Herrera and J. F. Botero, "A scalable metaheuristic for service function chain composition," 2017 IEEE 9th Latin-American Conference on Communications (LATINCOM), Guatemala City, 2017, pp. 1-6. doi: 10.1109/LATINCOM.2017.8240194. H. Moens and F. De Turck, ”VNF-P: A model for efficient placement of virtualized network functions,” Proceedings of the 10th International Conference on Network and Service Management, CNSM14, 2015. R. Cohen, L. Lewin-Eytan, J. S. Naor, and D. Raz, ”Near optimal placement of virtual network functions,” 2015 IEEE Conference on Computer Communications (INFOCOM), 2015, pp. 1346-1354. M. F. Bari, S. R. Chowdhury, R. Ahmed, R. Boutaba, and O. C. M. B. Duarte ”Orchestrating virtualized network functions,” IEEE Transactions on Network and Service Management, 2016. A. Gupta, M. F. Habib, P. Chowdhury, M. Tornatore, and B. Mukherjee, On service chaining using virtual network functions in networkenabled cloud systems, in Proc. IEEE InternationalConferenceAdv. NetworkTelecommunication System(ANTS), Kolkata,India, Dec. 2015, pp. 13. R. Riggio, T. Rasheed, and R. Narayanan, Virtual network functions orchestration in enterprise WLANs, in Proc. IFIP/IEEE Int. Symposium on IntegratedNetwork Management. (IM), Ottawa, ON, Canada, May 2015, pp. 1220-1225. Bo Yi,Xingwei Wang, Min Huang, Design and evaluation of schemes for provisioning service function chain with function scalability, In Journal of Network and Computer Applications, Volume 93, 2017. Taixin Li, Huachun Zhou, Hongbin Luo, A new method for providingnetwork services: Service function chain, In Optical Switching and Networking, vol 26, 2017, pp 60-68, ISSN 1573-4277, https://doi.org/10.1016/j.osn.2015.09.005 Antonio Marotta, Enrica Zola, Fabio D'Andreagiovanni, Andreas Kassler, A fast robust optimization-based heuristic for the deployment of green virtual network functions, In Journal of Network and Computer Applications vol95, 2017. X. Chen, W. Ni, I.B. Collings, X. Wang, S. Xu, Automated function placement and online optimization of network functions virtualization, IEEE Transactions onCommunication67 (2) (2019) 1225–1237, http://dx.doi.org/10.1109/TCOMM. 2018.2877336. R. Mijumbi et al., ”Design and evaluation of algorithms for mapping and scheduling of virtual network functions,” in Proc.1st IEEE Conference onNetworkSoftwarization (NetSoft), London, U.K., Apr. 2015, pp. 19. J. F. Riera, X. Hesselbach, E. Escalona, J. A. Garca-Espin, and E. Grasa, ”On the complex scheduling formulation of virtual network functions over optical networks,” in Proc. 16th InternationalConferenceon TransparentOpticalNetwork. (ICTON), Graz, Austria, Jul. 2014, pp. 15 Mehraghdam, S., Keller, M., Karl, H.: Specifying and placing chains of virtual network functions. In: 2014 IEEE 3rd International Conference on Cloud Networking (CloudNet), October 2014, pp. 713. M. T. Beck and J. F. Botero, ”Coordinated allocation of service function chains,” in Proc. IEEE Global Communications Conf. (GLOBECOM), Sel. Areas CommunicationSoftwareDefined NetworkFunctions (GC-SACSDN), San Diego, CA, USA, Dec. 2015, pp. 16. Michael Till Beck, Juan Felipe Botero, ”Scalable and coordinated allocation of service function chains,” in Computer Communications Journal, vol102, 2017, pp.78-88. Ocampo, A. F., Gil-Herrera, J., Isolani, P. H., Neves, M. C., Botero, J. F., Latre, S., Zambenedetti, L., Barcellos, M. P., and Gaspary, L. P. ́”Optimal Service Function Chain Composition in Network Functions Virtualization”. in Proc. 11th IFIP InternationalConferenceon Autonomous Infrastructure, Management, and Security, AIMS 2017, Zurich, July 2017, pp. 62-76 F. Glover and M. Laguna, “Tabu Search”. Norwell, MA, USA: Kluwer Academic Publishers, 1997 |
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Gil Herrera, Juliver de Jesúsae0de88a-e8df-4d56-bec6-4ce70c87c0b2Botero Vega, Juan Felipe99653cec-2109-4677-8fed-86b39eb191d92023-05-12T21:05:58Z2023-05-12T21:05:58Z20211548-0992https://dspace.tdea.edu.co/handle/tdea/2866Abstract—One of the main challenges for service providers when they try to deploy Network Function Virtualization based networks is to efficiently make use of substrate network resources to facilitate the design, delivery and operation of network services in a dynamic and scalable manner. This challenge is known as Network Function Virtualization Resource Allocation, which can be addressed in two stages called Service Function Chain Composition and Service Function Chain Embedding. The main objective of the first stage is to compose an optimized chain of Virtual Network Functions, which offers a complete network service. The second stage is responsible for the embedding of such network service onto a physical infrastructure based on virtualization technologies. In this paper, we propose a metaheuristic algorithm to face the scalability challenges of exact approaches, when solving the composition stage. The performance of our metaheuristic approach shows that large, complex and heterogeneous service requests can be processed in reasonable running times, finding better results compared with existing heuristics in the state of the art. Index Terms—communication networks, network function virtualization, virtual network functions, resource allocation.9 páginasimage/jpegengInstitute of Electrical and Electronics EngineersEstados Unidoshttps://ieeexplore.ieee.org/document/9423822Tabu Search For Service Function Chain Composition In NFVArtículo de revistahttp://purl.org/coar/resource_type/c_2df8fbb1Textinfo:eu-repo/semantics/articlehttp://purl.org/redcol/resource_type/ARTinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/version/c_970fb48d4fbd8a852511719IEEE Latin America TransactionsV. Sekar, S. Ratnasamy, M. K. Reiter, N. Egi, and G. Shi. “The middlebox manifesto: Enabling innovation in middlebox deployment”. In Proc. HotNets, pages 21:1-21:6, 2011.J. Sherry and S. Ratnasamy, “A survey of enterprise middlebox deployments,” Dept. EECS, Univ. California, Berkeley, CA, USA, Tech. Rep. UCB/EECS-2012-24, Feb. 2012.B. Han, V. Gopalakrishnan, L. Ji, and S. Lee, ”Network function virtualization: Challenges and opportunities for innovations,” IEEE Communication Magazine., vol. 53, no. 2, pp. 90-97, Feb. 2015.Gil-Herrera, Juliver, and Botero, Juan Felipe. ”Network functions virtualization: A survey.” IEEE Latin America Transaction, p983-997, 2016Mijumbi, Rashid, et al.”Network function virtualization: State-of-the-art and research challenges.” IEEE Communication Surveys & Tutorials, 2016E. S. Correa, L. A. Fletscher, and J. F. Botero, “Virtual data center embedding: A survey,” IEEE Latin AmericaTransaction, vol. 13, no. 5, pp. 1661–1670, May 2015J. Batalle, J. Ferrer Riera, E. Escalona, E. Grasa and J.A. García Espin. Virtual Network Function Scheduling-Concept and Challenges. Smart Communications in Network Technologies, p. 1-5, Jun 2014A. Barakabitze, A. Arslan, M. Rashid, and H. Andrew, “5g network slicing using sdn and nfv: A survey of taxonomy, architectures and future challenges,” Computer Networks, vol. 167, pp. 1–40, February 2020F. Callegati, W. Cerroni, C. Contoli, G. Santandrea, ”Implementing dynamic chaining of virtual network functions in open stack platform”, in: Proceedings of the 17th International Conference on Transparent Optical Networks (ICTON), pp. 14 July 2015Zheng, Z., Bi, J., Yu, H., Wang, H., Sun, C., Hu, H., & Wu, J. (2019).Octans: Optimal Placement of Service Function Chains in Many-Core Systems. IEEE INFOCOM 2019 -IEEE Conference on Computer Communications.doi:10.1109/infocom.2019.8737544Xie, Y., Wang, S., & Dai, Y. (2020). Revenue-maximizing virtualized network function chain placement in dynamic environment. Future Generation Computer Systems, 108, 650–661. doi:10.1016/j.future.2020.03.011J. Gil-Herrera and J. F. Botero, "Resource Allocation in NFV: A Comprehensive Survey," in IEEE Transactions on Network and Service Management, vol. 13, no. 3, pp. 518-532, Sept. 2016. doi: 10.1109/TNSM.2016.2598420.J. Gil-Herrera and J. F. Botero, "A scalable metaheuristic for service function chain composition," 2017 IEEE 9th Latin-American Conference on Communications (LATINCOM), Guatemala City, 2017, pp. 1-6. doi: 10.1109/LATINCOM.2017.8240194.H. Moens and F. De Turck, ”VNF-P: A model for efficient placement of virtualized network functions,” Proceedings of the 10th International Conference on Network and Service Management, CNSM14, 2015.R. Cohen, L. Lewin-Eytan, J. S. Naor, and D. Raz, ”Near optimal placement of virtual network functions,” 2015 IEEE Conference on Computer Communications (INFOCOM), 2015, pp. 1346-1354.M. F. Bari, S. R. Chowdhury, R. Ahmed, R. Boutaba, and O. C. M. B. Duarte ”Orchestrating virtualized network functions,” IEEE Transactions on Network and Service Management, 2016.A. Gupta, M. F. Habib, P. Chowdhury, M. Tornatore, and B. Mukherjee, On service chaining using virtual network functions in networkenabled cloud systems, in Proc. IEEE InternationalConferenceAdv. NetworkTelecommunication System(ANTS), Kolkata,India, Dec. 2015, pp. 13.R. Riggio, T. Rasheed, and R. Narayanan, Virtual network functions orchestration in enterprise WLANs, in Proc. IFIP/IEEE Int. Symposium on IntegratedNetwork Management. (IM), Ottawa, ON, Canada, May 2015, pp. 1220-1225.Bo Yi,Xingwei Wang, Min Huang, Design and evaluation of schemes for provisioning service function chain with function scalability, In Journal of Network and Computer Applications, Volume 93, 2017.Taixin Li, Huachun Zhou, Hongbin Luo, A new method for providingnetwork services: Service function chain, In Optical Switching and Networking, vol 26, 2017, pp 60-68, ISSN 1573-4277, https://doi.org/10.1016/j.osn.2015.09.005Antonio Marotta, Enrica Zola, Fabio D'Andreagiovanni, Andreas Kassler, A fast robust optimization-based heuristic for the deployment of green virtual network functions, In Journal of Network and Computer Applications vol95, 2017.X. Chen, W. Ni, I.B. Collings, X. Wang, S. Xu, Automated function placement and online optimization of network functions virtualization, IEEE Transactions onCommunication67 (2) (2019) 1225–1237, http://dx.doi.org/10.1109/TCOMM. 2018.2877336.R. Mijumbi et al., ”Design and evaluation of algorithms for mapping and scheduling of virtual network functions,” in Proc.1st IEEE Conference onNetworkSoftwarization (NetSoft), London, U.K., Apr. 2015, pp. 19.J. F. Riera, X. Hesselbach, E. Escalona, J. A. Garca-Espin, and E. Grasa, ”On the complex scheduling formulation of virtual network functions over optical networks,” in Proc. 16th InternationalConferenceon TransparentOpticalNetwork. (ICTON), Graz, Austria, Jul. 2014, pp. 15Mehraghdam, S., Keller, M., Karl, H.: Specifying and placing chains of virtual network functions. In: 2014 IEEE 3rd International Conference on Cloud Networking (CloudNet), October 2014, pp. 713.M. T. Beck and J. F. Botero, ”Coordinated allocation of service function chains,” in Proc. IEEE Global Communications Conf. (GLOBECOM), Sel. Areas CommunicationSoftwareDefined NetworkFunctions (GC-SACSDN), San Diego, CA, USA, Dec. 2015, pp. 16.Michael Till Beck, Juan Felipe Botero, ”Scalable and coordinated allocation of service function chains,” in Computer Communications Journal, vol102, 2017, pp.78-88.Ocampo, A. F., Gil-Herrera, J., Isolani, P. H., Neves, M. C., Botero, J. F., Latre, S., Zambenedetti, L., Barcellos, M. P., and Gaspary, L. P. ́”Optimal Service Function Chain Composition in Network Functions Virtualization”. in Proc. 11th IFIP InternationalConferenceon Autonomous Infrastructure, Management, and Security, AIMS 2017, Zurich, July 2017, pp. 62-76F. Glover and M. Laguna, “Tabu Search”. Norwell, MA, USA: Kluwer Academic Publishers, 1997info:eu-repo/semantics/closedAccesshttp://purl.org/coar/access_right/c_14cbCommunication networksNetwork function virtualizationVirtual network functionsResource allocationResource allocationAffectation des ressourcesORIGINALTabu Search for Service Function Chain Composition in NFV.jpgTabu Search for Service Function Chain Composition in NFV.jpgSolo datos del documentoimage/jpeg141944https://dspace.tdea.edu.co/bitstream/tdea/2866/1/Tabu%20Search%20for%20Service%20Function%20Chain%20Composition%20in%20NFV.jpg63d78c8a05c29e8955115cfd5d69d235MD51open accessLICENSElicense.txtlicense.txttext/plain; charset=utf-814828https://dspace.tdea.edu.co/bitstream/tdea/2866/2/license.txt2f9959eaf5b71fae44bbf9ec84150c7aMD52open accessTHUMBNAILTabu Search for Service Function Chain Composition in NFV.jpg.jpgTabu Search for Service Function Chain Composition in NFV.jpg.jpgGenerated 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 incorporada en las Obras Colectivas.

b.	Distribuir copias o fonogramas de las Obras, exhibirlas públicamente, ejecutarlas públicamente y/o ponerlas a disposición pública, incluyéndolas como incorporadas en Obras Colectivas, según corresponda.

c.	Distribuir copias de las Obras Derivadas que se generen, exhibirlas públicamente, ejecutarlas públicamente y/o ponerlas a disposición pública.
Los derechos mencionados anteriormente pueden ser ejercidos en todos los medios y formatos, actualmente conocidos o que se inventen en el futuro. Los derechos antes mencionados incluyen el derecho a realizar dichas modificaciones en la medida que sean técnicamente necesarias para ejercer los derechos en otro medio o formatos, pero de otra manera usted no está autorizado para realizar obras derivadas. Todos los derechos no otorgados expresamente por el Licenciante quedan por este medio reservados, incluyendo pero sin limitarse a aquellos que se mencionan en las secciones 4(d) y 4(e).

4. Restricciones.
La licencia otorgada en la anterior Sección 3 está expresamente sujeta y limitada por las siguientes restricciones:

a.	Usted puede distribuir, exhibir públicamente, ejecutar públicamente, o poner a disposición pública la Obra sólo bajo las condiciones de esta Licencia, y Usted debe incluir una copia de esta licencia o del Identificador Universal de Recursos de la misma con cada copia de la Obra que distribuya, exhiba públicamente, ejecute públicamente o ponga a disposición pública. No es posible ofrecer o imponer ninguna condición sobre la Obra que altere o limite las condiciones de esta Licencia o el ejercicio de los derechos de los destinatarios otorgados en este documento. No es posible sublicenciar la Obra. Usted debe mantener intactos todos los avisos que hagan referencia a esta Licencia y a la cláusula de limitación de garantías. Usted no puede distribuir, exhibir públicamente, ejecutar públicamente, o poner a disposición pública la Obra con alguna medida tecnológica que controle el acceso o la utilización de ella de una forma que sea inconsistente con las condiciones de esta Licencia. Lo anterior se aplica a la Obra incorporada a una Obra Colectiva, pero esto no exige que la Obra Colectiva aparte de la obra misma quede sujeta a las condiciones de esta Licencia. Si Usted crea una Obra Colectiva, previo aviso de cualquier Licenciante debe, en la medida de lo posible, eliminar de la Obra Colectiva cualquier referencia a dicho Licenciante o al Autor Original, según lo solicitado por el Licenciante y conforme lo exige la cláusula 4(c).

b.	Usted no puede ejercer ninguno de los derechos que le han sido otorgados en la Sección 3 precedente de modo que estén principalmente destinados o directamente dirigidos a conseguir un provecho comercial o una compensación monetaria privada. El intercambio de la Obra por otras obras protegidas por derechos de autor, ya sea a través de un sistema para compartir archivos digitales (digital file-sharing) o de cualquier otra manera no será considerado como estar destinado principalmente o dirigido directamente a conseguir un provecho comercial o una compensación monetaria privada, siempre que no se realice un pago mediante una compensación monetaria en relación con el intercambio de obras protegidas por el derecho de autor.

c.	Si usted distribuye, exhibe públicamente, ejecuta públicamente o ejecuta públicamente en forma digital la Obra o cualquier Obra Derivada u Obra Colectiva, Usted debe mantener intacta toda la información de derecho de autor de la Obra y proporcionar, de forma razonable según el medio o manera que Usted esté utilizando: (i) el nombre del Autor Original si está provisto (o seudónimo, si fuere aplicable), y/o (ii) el nombre de la parte o las partes que el Autor Original y/o el Licenciante hubieren designado para la atribución (v.g., un instituto patrocinador, editorial, publicación) en la información de los derechos de autor del Licenciante, términos de servicios o de otras formas razonables; el título de la Obra si está provisto; en la medida de lo razonablemente factible y, si está provisto, el Identificador Uniforme de Recursos (Uniform Resource Identifier) que el Licenciante especifica para ser asociado con la Obra, salvo que tal URI no se refiera a la nota sobre los derechos de autor o a la información sobre el licenciamiento de la Obra; y en el caso de una Obra Derivada, atribuir el crédito identificando el uso de la Obra en la Obra Derivada (v.g., "Traducción Francesa de la Obra del Autor Original," o "Guión Cinematográfico basado en la Obra original del Autor Original"). Tal crédito puede ser implementado de cualquier forma razonable; en el caso, sin embargo, de Obras Derivadas u Obras Colectivas, tal crédito aparecerá, como mínimo, donde aparece el crédito de cualquier otro autor comparable y de una manera, al menos, tan destacada como el crédito de otro autor comparable.

d.	Para evitar toda confusión, el Licenciante aclara que, cuando la obra es una composición musical:

i.	Regalías por interpretación y ejecución bajo licencias generales. El Licenciante se reserva el derecho exclusivo de autorizar la ejecución pública o la ejecución pública digital de la obra y de recolectar, sea individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, SAYCO), las regalías por la ejecución pública o por la ejecución pública digital de la obra (por ejemplo Webcast) licenciada bajo licencias generales, si la interpretación o ejecución de la obra está primordialmente orientada por o dirigida a la obtención de una ventaja comercial o una compensación monetaria privada.

ii.	Regalías por Fonogramas. El Licenciante se reserva el derecho exclusivo de recolectar, individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, los consagrados por la SAYCO), una agencia de derechos musicales o algún agente designado, las regalías por cualquier fonograma que Usted cree a partir de la obra (“versión cover”) y distribuya, en los términos del régimen de derechos de autor, si la creación o distribución de esa versión cover está primordialmente destinada o dirigida a obtener una ventaja comercial o una compensación monetaria privada.

e.	Gestión de Derechos de Autor sobre Interpretaciones y Ejecuciones Digitales (WebCasting). Para evitar toda confusión, el Licenciante aclara que, cuando la obra sea un fonograma, el Licenciante se reserva el derecho exclusivo de autorizar la ejecución pública digital de la obra (por ejemplo, webcast) y de recolectar, individualmente o a través de una sociedad de gestión colectiva de derechos de autor y derechos conexos (por ejemplo, ACINPRO), las regalías por la ejecución pública digital de la obra (por ejemplo, webcast), sujeta a las disposiciones aplicables del régimen de Derecho de Autor, si esta ejecución pública digital está primordialmente dirigida a obtener una ventaja comercial o una compensación monetaria privada.

5. Representaciones, Garantías y Limitaciones de Responsabilidad.
A MENOS QUE LAS PARTES LO ACORDARAN DE OTRA FORMA POR ESCRITO, EL LICENCIANTE OFRECE LA OBRA (EN EL ESTADO EN EL QUE SE ENCUENTRA) “TAL CUAL”, SIN BRINDAR GARANTÍAS DE CLASE ALGUNA RESPECTO DE LA OBRA, YA SEA EXPRESA, IMPLÍCITA, LEGAL O CUALQUIERA OTRA, INCLUYENDO, SIN LIMITARSE A ELLAS, GARANTÍAS DE TITULARIDAD, COMERCIABILIDAD, ADAPTABILIDAD O ADECUACIÓN A PROPÓSITO DETERMINADO, AUSENCIA DE INFRACCIÓN, DE AUSENCIA DE DEFECTOS LATENTES O DE OTRO TIPO, O LA PRESENCIA O AUSENCIA DE ERRORES, SEAN O NO DESCUBRIBLES (PUEDAN O NO SER ESTOS DESCUBIERTOS). ALGUNAS JURISDICCIONES NO PERMITEN LA EXCLUSIÓN DE GARANTÍAS IMPLÍCITAS, EN CUYO CASO ESTA EXCLUSIÓN PUEDE NO APLICARSE A USTED.

6. Limitación de responsabilidad.
A MENOS QUE LO EXIJA EXPRESAMENTE LA LEY APLICABLE, EL LICENCIANTE NO SERÁ RESPONSABLE ANTE USTED POR DAÑO ALGUNO, SEA POR RESPONSABILIDAD EXTRACONTRACTUAL, PRECONTRACTUAL O CONTRACTUAL, OBJETIVA O SUBJETIVA, SE TRATE DE DAÑOS MORALES O PATRIMONIALES, DIRECTOS O INDIRECTOS, PREVISTOS O IMPREVISTOS PRODUCIDOS POR EL USO DE ESTA LICENCIA O DE LA OBRA, AUN CUANDO EL LICENCIANTE HAYA SIDO ADVERTIDO DE LA POSIBILIDAD DE DICHOS DAÑOS. ALGUNAS LEYES NO PERMITEN LA EXCLUSIÓN DE CIERTA RESPONSABILIDAD, EN CUYO CASO ESTA EXCLUSIÓN PUEDE NO APLICARSE A USTED.

7. Término.

a.	Esta Licencia y los derechos otorgados en virtud de ella terminarán automáticamente si Usted infringe alguna condición establecida en ella. Sin embargo, los individuos o entidades que han recibido Obras Derivadas o Colectivas de Usted de conformidad con esta Licencia, no verán terminadas sus licencias, siempre que estos individuos o entidades sigan cumpliendo íntegramente las condiciones de estas licencias. Las Secciones 1, 2, 5, 6, 7, y 8 subsistirán a cualquier terminación de esta Licencia.

b.	Sujeta a las condiciones y términos anteriores, la licencia otorgada aquí es perpetua (durante el período de vigencia de los derechos de autor de la obra). No obstante lo anterior, el Licenciante se reserva el derecho a publicar y/o estrenar la Obra bajo condiciones de licencia diferentes o a dejar de distribuirla en los términos de esta Licencia en cualquier momento; en el entendido, sin embargo, que esa elección no servirá para revocar esta licencia o que deba ser otorgada , bajo los términos de esta licencia), y esta licencia continuará en pleno vigor y efecto a menos que sea terminada como se expresa atrás. La Licencia revocada continuará siendo plenamente vigente y efectiva si no se le da término en las condiciones indicadas anteriormente.

8. Varios.

a.	Cada vez que Usted distribuya o ponga a disposición pública la Obra o una Obra Colectiva, el Licenciante ofrecerá al destinatario una licencia en los mismos términos y condiciones que la licencia otorgada a Usted bajo esta Licencia.

b.	Si alguna disposición de esta Licencia resulta invalidada o no exigible, según la legislación vigente, esto no afectará ni la validez ni la aplicabilidad del resto de condiciones de esta Licencia y, sin acción adicional por parte de los sujetos de este acuerdo, aquélla se entenderá reformada lo mínimo necesario para hacer que dicha disposición sea válida y exigible.

c.	Ningún término o disposición de esta Licencia se estimará renunciada y ninguna violación de ella será consentida a menos que esa renuncia o consentimiento sea otorgado por escrito y firmado por la parte que renuncie o consienta.

d.	Esta Licencia refleja el acuerdo pleno entre las partes respecto a la Obra aquí licenciada. No hay arreglos, acuerdos o declaraciones respecto a la Obra que no estén especificados en este documento. El Licenciante no se verá limitado por ninguna disposición adicional que pueda surgir en alguna comunicación emanada de Usted. Esta Licencia no puede ser modificada sin el consentimiento mutuo por escrito del Licenciante y Usted.
 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