Improved-transmission control protocol-friendly multicast congestion control (TFMCC)-protocol-based communication method
A communication method and protocol technology, which is applied in the field of multimedia communication and network transmission, can solve problems such as inability to respond to the network in time, lack of jitter in the TFMCC protocol, and congestion, so as to improve protocol stability, reduce average end-to-end delay, and reduce jitter Effect
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[0029] Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:
[0030] figure 1Provided is the flow chart of the communication method based on the improved TFMCC protocol of the present invention, the principle of the method is as follows: each time the source receives the data packet fed back by CLR (Current Limiting Receiver, rate-limited receiving end), the The current end-to-end delay jitter between the source and the CLR is calculated using the effective time stamp information in the source, and a congestion judgment factor a is calculated as a congestion signal to judge network congestion. Slow start state: if packet loss occurs or congestion judgment factor a > 0.1, exit slow start and enter congestion avoidance state, otherwise keep slow start; congestion avoidance state: use congestion judgment factor a to calculate correction factor m, and use correction factor m To adjust the expected throughput, and then adj...
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