| 摘要 |
A method and system for specifying channels for data sent upstream in a data-over-cable system, including data leaving the data-over-cable system is provided. The data sent upstream from an application has a corresponding group-identification parameter, also referred to as a flow-identification parameter. This parameter specifies a particular channel on which the data is to be forwarded. This specification is based on a correspondence between the data-identification parameter and a channel-identification parameter assigned to the channels over which data-packets are transmitted. The data-over-cable system may use the data-identification parameter to allocate access to a channel as part of a Quality-of-Service request. This parameter also allows sorting of data-packets for further transmission upstream, including possible bundling to form groups of data-packets and subsequent transmission upstream.
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