| 摘要 |
A method and data structure for transmitting data in a networked system having a shared transmission medium that includes generating a plurality of virtual packets each containing information for delivery to at least one selected terminal in the networked system via the shared medium and generating a map field having control information for controlling the delivery of the virtual packets. The method and data structure also include forming a physical packet for transmission across the shared transmission medium, the physical packet including a control field and the plurality of virtual packets such that overhead associated with the control field and medium access is amortized over the plurality of virtual packets.
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