Shared mesh restoration for OTN/WDM networks using CDC-ROADMs

We propose a coordinated shared mesh restoration scheme at sub-wavelength connection level using integrated OTN switch and CDC-ROADM nodes. The optical layer flexibility of CDC-ROADMs in the integrated node enables additional OTN line card sharing and simulation results show up to 18% savings in OTN...

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Bibliographic Details
Main Authors: Qiong Zhang, Xi Wang, Palacharla, Paparao, Sekiya, Motoyoshi, Bihon, Daniel
Format: Conference Proceeding
Language:English
Subjects:
Optical add-drop multiplexers
Optical network units
Optical switches
Repeaters
WDM networks
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Summary:We propose a coordinated shared mesh restoration scheme at sub-wavelength connection level using integrated OTN switch and CDC-ROADM nodes. The optical layer flexibility of CDC-ROADMs in the integrated node enables additional OTN line card sharing and simulation results show up to 18% savings in OTN line cards compared to classic ROADMs.
ISSN:1550-381X
DOI:10.1364/ECEOC.2012.Tu.4.D.4