| 摘要 |
A stagger transmitter manipulates the Type of Service (TOS) information contained in packets transmitted therefrom. Downstream network devices, such as a network Multiplexer (MUX), use the TOS information to handle the packets. A MUX controls the bandwidth allocated to each of the original and staggered streams in accordance with the TOS information. The stagger transmitter manipulates the TOS information of packets in accordance with other information contained in the packets, such as Network Abstraction Layer (NAL) information. As such, the staggered stream copies of more important packets, as indicated by their NAL information, can have their TOS information set by the stagger transmitter so that a network MUX will forward such staggered packets in addition to the original packets, thereby providing redundancy and error protection for such packets.
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