| http://www.w3.org/ns/prov#value | - There is still further provided in accordance with the present invention a network hub for providing 1:N protection connected in a dual hub based Dense Wave Division Multiplexing (DWDM) optical ring network incorporating a plurality of access nodes comprising N OEO modules, each transceiver adapted to transmit and receive over a different wavelength, wherein N is a positive integer and wherein eac
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