Field and lab trials of PCE-based OSNR-aware dynamic restoration in multi-domain GMPLS-enabled translucent WSON | Zendy

Lei Liu | Zendy; Ramon Casellas | Zendy; Takehiro Tsuritani | Zendy; Itsuro Morita | Zendy; Shuichi Okamoto | Zendy; Ricardo Martí­nez | Zendy; Raül Muñoz | Zendy

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Field and lab trials of PCE-based OSNR-aware dynamic restoration in multi-domain GMPLS-enabled translucent WSON

Author(s) -

Lei Liu,

Ramon Casellas,

Takehiro Tsuritani,

Itsuro Morita,

Shuichi Okamoto,

Ricardo Martínez,

Raül Muñoz

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.026568

Subject(s) - multiprotocol label switching , computer science , computation , computer network , wavelength division multiplexing , field trial , electronic engineering , optics , quality of service , wavelength , engineering , physics , algorithm , agronomy , biology

Dynamic lightpath restoration is a key issue in wavelength switched optical networks (WSON). On the other hand, the introduction of the path computation element (PCE) and the generalized multi-protocol label switching (GMPLS) architectures into WSON as control plane technologies is expected to bring more intelligence and to enable the dynamic computation and control of end-to-end lightpaths in a cost-efficient manner. In this paper, for the first time and through a lab trial with four domains and a field trial located in Japan and Spain, we experimentally present PCE-based optical signal to noise ratio (OSNR)-aware dynamic restoration in multi-domain GMPLS-enabled translucent WSON, assessing the overall feasibility of the proposed techniques and quantitatively evaluating the service disruption time and path computation latency during end-to-end lightpath restoration.

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