ITU-T OTN Hierarchy

 

Standard OTN rates

oNo channel structure, TC can be inserted as required

ODU-Flex

oUser defined rate with n x ODU0 rates

Standard OTN rates using channels

oHas a fixed number of channels, TC can be inserted at a certain position

 

Mapping

OTN Hierachical Mapping Structure

 

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It Is a set of Optical Network Elements

Connected by optical fiber links

Designed to provide support for optical networking using WDM.

 

New OTN rates and mapping:

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Virtual Grouping Port and LAG enhancement:

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