System, apparatus and method for implementing transparent transmission clock in accurate clock synchronization protocol
A technology of accurate clock synchronization and transparent clock transmission, which is applied in the direction of synchronization devices, transmission systems, digital transmission systems, etc., can solve the problems of synchronization accuracy jitter, constraints, etc., and achieve the effects of improving accuracy, improving feasibility, and saving hardware development time
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[0040] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0041] see figure 1 , this figure shows the structure of the transparent transmission clock device in the present invention, the device has two modes of operation, input and output (when the external network inputs a message to the device, the device is in the input mode; the device outputs the message to the external network , the device is in the output working mode), including: a message identification module, a message processing module, a message buffer module, and an output control module connected in sequence; module;
[0042] The message identification module is used for receiving messages and identifying IEEE1588 protocol event messages therein. Since Ethernet frame data encapsulates IP data, IP data encapsulates UDP data, and UDP encapsulates PTP protocol messages, it can first identify whether it is an IEEE1588 protocol through releva...
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