一个用于传输少量数据的争用上行通道，用于传输比如初始接入或非实时的控制或业务数据。
A contention based uplink channel used for transmission of relatively small amounts of data, e. g. for initial access or non-real-time dedicated control or traffic data.
电力调度数据网是电力企业内部专用的传输各种实时与非实时数据的生产网。
Electric power dispatching digital network is a kind of special-purpose production network for transmitting various real-time data and un-real-time data in electric power enterprises.
然而现有的互联网络建立在传输非实时数据的基础上，在延迟、抖动和包丢失率等方面，缺乏对实时通信的良好支持。
However, since the current Internet is not built for real-time data transition, support is lacking in the Internet to meet delay, jitter and packet loss requirements for real-time traffic.
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