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
|
•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:
Virtual Grouping Port and LAG enhancement: