| 摘要 |
To provide a communication apparatus that can relieve the processing load when packet transfer is made with hardware. A packet transfer apparatus includes an input buffer for storing temporarily an input packet, an address acquiring section for acquiring the information needed for the transfer, a retrieval circuit for retrieving the information regarding the output with the acquired destination address as a key, a label insertion circuit for encapsulating a packet with the labels in the maximum number of stack layers M designated for a packet group having a unit of destination address, and a switch section for switching the encapsulated packet to a desired output destination port.
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