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Software-defined networking (SDN) with optical transport techniques enables network operators and data center (DC) operators to provide their resources dynamically on user's demands while minimizing operating and capital expenditure. Current multi-domain networking techniques mainly rely on the path-computing element, while SDN has shown considerable potential for this inevitable issue. The first...
A perpendicular multi-layer (PML) architecture with multiple controllers and a dynamic orchestra plane (DOP) for multi-domain software defined optical networks is proposed in this paper. Cross-domain services with on-demand bandwidth can be deployed via unified interfaces provided by DOP. Practical capture of signal processing and emulation results are presented.
A novel optical transport node architecture enabling network function virtualization is proposed with the corresponding control plane framework. The proposed node architecture is emulated by commercial equipment and is validated by the experimental results.
A multi-controller collaboration framework and three schemes for datacenter interconnection based on software defined transport networking are demonstrated via field networks. Multi-domain lightpaths are automatically provided with limited signaling latency.
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