Transport Layers and G.709 TE Links

• Hierarchical (Overlaid) Transport Layers

  • Tributary Slots (sub-channel)
    • ODU1 (2.5 Gbps)
    • ODU2 (10 Gbps)
    • ODU3 (40 Gbps)
    • or combination
  • Wavelength (channel)
  • Fiber (interface)

• Discrete Bandwidth Signals

• OMS and OCh TE Links

Switching Granularity

l1

l2

l3

l4

l3

l5

Sub-Channel 1

Sub-Channel 2

Sub-Channel N

Sub-Channel 1

Sub-Channel 2

Sub-Channel N

Channel 1

Channel N

ODU TE Link

...

...

OMS TE Link

OCh TE Link

Control Plane View

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