Message speed limit method
A message and message limit technology, applied in the field of message processing, to achieve the effect of simple implementation, less resource occupation, and basically stable quantity
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[0048] The core of the present invention is to control the flow of messages received by the CPU by setting the flow of messages within a time window, and adopt a corresponding penalty mechanism for messages that exceed the unit time window, that is, delay processing, to ensure that the flow of messages within the unit time window is delayed. The number of sent messages is basically stable, so as to achieve the purpose of optimizing the use of CPU resources and protecting the CPU when the system suffers from broadcast storms or hacker attacks.
[0049] The present invention provides a universal and simple message rate limiting method, which performs traffic rate limiting or traffic shaping on CPU messages sent by software means, and is suitable for various types of CPUs and software operating systems. The following takes the implementation on the embedded operating system Vxworks as an example to further describe the technical solution of the invention.
[0050] Please refer to fig...
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