Control, Management and Orchestration of Optical Networks: Evolution, Trends and Challenges

Autor: Ramon Casellas, Ricard Vilalta, Raul Munoz, Ricardo Martinez

Publikováno v: Journal of Lightwave Technology
JOURNAL OF LIGHTWAVE TECHNOLOGY
r-CTTC. Repositorio Institucional Producción Científica del Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
instname
r-CTTC: Repositorio Institucional Producción Científica del Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)

Automating the provisioning of telecommunications services, deployed over a heterogeneous infrastructure (in terms of domains, technologies, and management platforms), remains a complex task, yet driven by the constant need to reduce costs and servic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8372123ec3b9a285c0cd80a75c10caff
https://zenodo.org/record/1475936

Overarching Control of Flexi Grid Optical Networks: Interworking of GMPLS and OpenFlow Domains

Autor: Ricard Vilalta, Raul Munoz, Itsuro Morita, Ricardo Martinez, Arturo Mayoral, Takehiro Tsuritani, Lei Liu, Ramon Casellas

Publikováno v: Journal of Lightwave Technology. 33:1054-1062

Optical transport networks provide transport, multiplexing, routing, management, supervision, and survivability of optical channels. Within a flexible dense wavelength division multiplexing grid, the optical spectrum can be allocated in multiples of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5b3473f9fbec38b9398b1abe90aa6a2
https://doi.org/10.1109/jlt.2015.2390656

A Hybrid End-to-End QoS Path Computation Algorithm for PCE-Based Multi-Domain Networks

Autor: Samer Lahoud, Ahmed Frikha, Bernard Cousin

Publikováno v: Journal of Network and Systems Management
Journal of Network and Systems Management, 2014, Journal of Network and Systems Management, 22, (4), pp.682-708. ⟨10.1007/s10922-013-9273-5⟩
Journal of Network and Systems Management, Springer Verlag, 2014, Journal of Network and Systems Management, 22, (4), pp.682-708. ⟨10.1007/s10922-013-9273-5⟩

International audience; The Inter-domain Quality of Service (QoS) routing is a challenging problem for today's Internet. This problem requires the computation of paths that cross multiple domains and meet the different QoS constraints. In addition ,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f4fe95b166ec0f9ae4c7ead6c6105a1
https://doi.org/10.1007/s10922-013-9273-5

Highly-available SDN control of Flexi-grid Networks with Network Function Virtualization enabled replication

Autor: Casellas, Ramon, Vilalta, Ricard, Martínez, Ricardo, Muñoz, Raül

Publikováno v: Journal of Optical Communications and Networking
r-CTTC. Repositorio Institucional Producción Científica del Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
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New trends and emerging requirements have driven the development of extensions to the path computation element (PCE) architecture beyond the computation of a set of constrained routes and associated resources between endpoints, given a network topolo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0aefb5589e8782d1d615430999a0f368
https://cttc.fundanetsuite.com/Publicaciones/ProdCientif/PublicacionFrw.aspx?id=6071

PCE: What is It, How Does It Work and What are its Limitations?

Autor: Ricardo Martinez, Raul Munoz, Ramon Casellas, Ricard Vilalta

Publikováno v: JOURNAL OF LIGHTWAVE TECHNOLOGY
r-CTTC. Repositorio Institucional Producción Científica del Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
instname

In GMPLS-controlled optical networks, the utilization of source-based path computation has some limitations, especially in large networks with stringent constraints (e.g., optical impairments) or in multilayer and multidomain networks, which leads to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb203ab808c4f4906af2144e8159c239