Method for detecting maximal transmission unit of path
A technology of the largest transmission unit and path, applied in the field of network communication, can solve problems affecting the quality of real-time audio, video and other multimedia streams, consume network equipment processor resources, and affect network equipment forwarding work, etc., to improve real-time multimedia effects and perfect The effect of detecting PMTU mechanism and avoiding network attacks
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[0056] If the source node can obtain the minimum value of the maximum transmission unit of each intermediate node between it and the destination node by sending a data message only once, then it can quickly and accurately send data messages as little as possible The maximum transmission unit of the path in the link between it and the destination node is determined, so that the detection efficiency of the PMTU discovery mechanism can be effectively improved.
[0057] Therefore, the core of the present invention is to force each intermediate node in the link from the source node to the destination node to process the data message of the maximum transmission unit of the detection path sent by the source node to the destination node. After the data message, the maximum transmission unit information is reflected in the data message, and after receiving the data message, the destination node sends the maximum transmission unit information carried by the data message to the The sourc...
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