Method and device for controlling communication bus
A communication bus and control method technology, applied in the field of communication, can solve the problem of high probability of conflict, and achieve the effects of reducing the packet loss rate, improving stability, and reducing the probability of bus conflict
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[0031] The communication bus control method and device are described below in conjunction with the drawings.
[0032] figure 1 Shows a plurality of communication bus control devices according to the present invention. For example, in the #1 line card, it includes: a random delay generation module, which is set on each of at least two line cards, and is used to generate different delay times; a delay unit (not shown) is used for After the line cards with communication requirements detect that the communication bus is idle, they are delayed according to different delay times; and the sending unit (not shown) is enabled to preempt the currently idle line cards with communication requirements. When the communication bus is used, the line card with communication requirement is enabled to send data to the bus.
[0033] However, even if the delay time is randomly generated at one time, conflicts will occur during the next preemption of multiple line cards. For this reason, preferably, th...
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