术语 | hub go-ahead |
释义 | hub go-ahead 向内(探询),向中心(探询) In SDLC, a polling technique in which the primary station issues a poll on a duplex channel to the farthest secondary station, then sequentially to each of the other stations until all have been invited to send data. The primary station can send data while the polling sequence is in progress. 在同步数据链路控制协议中,主站在双工信道上首先探询最远的次站,然后从远到近依次探询其它 次站,直到所有的站均受到请求发送数据的一种轮询技术。在轮询序列进行的过程中, 主站仍可以发送数据。 |
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