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Port Input Link Layer Data Switching Rate Router

Front Router Architecture: Input Port
Back Construction:
- Line Termination: Physical Completion
- Link Layer Protocol: Receive link layer data
- Lookup, forwarding, queueing:
- Output port is displayed in the input port according to the destination address in the
Forwarding table determined
Data packet is then forwarded to the switching fabric
- Possibly. Buffers when switching rate <receive rate of all inputs together
==> Head-of-the-line blocking possible

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