Method and device of transmitting time division multiplex service through IP switch network
A time-division multiplexing and switching network technology, applied in data switching networks, transmission systems, digital transmission systems, etc., can solve problems such as unfavorable network expansion and inconvenient network deployment, and achieve increased payload length, simplified design, and improved performance. The effect of utilization
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[0053] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0054] The present invention adopts IP packet to carry TDM signal, encapsulates TDM signal into IP payload according to TDMoIP frame (TDM overIP) format, and then sends it to packet switching network, then receives TDMoIP frame from packet switching network, and extracts the TDMoIP frame from the TDMoIP frame. Corresponding service processing is performed after the TDM signal. In order to prevent the fact that some time slots have no data to be sent when the receiving end recovers the TDM signal due to the Ethernet switching delay, when encapsulating a TDMoIP frame, multiple TDM frames can be continuously loaded in one IP payload.
[0055] figure 2 It is a schematic structural diagram of a TDMoIP frame (TDM over IP) of the present invention. As shown in the figure, a TDMoIP frame includes a MAC header, an IP header and several TDM fr...
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