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Scenario with Sonet/SDH edges and non-Sonet/SDH network
LMP Network <------- LMP-WDM Sub-Network -------> LMP Network
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SONET/SDH Net <------> non-SONET/SDH Sub-Net <------> SONET/SDH Net
Edge Node(X) Node(1) ----- Node(N) Edge Node(Y)
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| ---LMP-WDM--- ---LMP-WDM--- |
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<----------------------LMP-------------------------->


LMP between SONET/SDH edge node and LMP-WDM between edge optical nodes and edge SONET/SDH Nodes

SONET/SDH Node(X) <------------LMP-----------> SONET/SDH Node(Y)
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|LMP-WDM LMP-WDM|
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Node(1) <------- Node(2) <--- Subnet ---> Node(i) ------> Node(N)
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-------------------------- OTN ------------------------