| 摘要 |
Frames are relayed through a packet network by pre-pending a packet header to the frames. The packet may be formed in response to a timing mechanism indicating that the frames have been buffered for more than a threshold time interval. Alternatively, the packet may be formed in response to buffering a threshold number of frames. The packet is relayed through the packet network to an egress device. The egress device removes the header from the packet, and forwards the frames via one or more virtual circuits.
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