Data transmission method, apparatus, and related device

By detecting the available credit quota of the transmission channel and encapsulating it with transaction layer protocol frames in cross-protocol communication, the data transmission delay and head-of-line blocking problems caused by the "two-layer backpressure" design in the prior art are solved, achieving efficient data transmission and improved bandwidth utilization.

CN121907940BActive Publication Date: 2026-06-02BEIJING VCORE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING VCORE TECH CO LTD
Filing Date
2026-03-25
Publication Date
2026-06-02

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Abstract

The present disclosure provides a data transmission method, device and related equipment, the method comprising: in response to detecting that there is a data packet to be sent in the sending buffer of the sending channel corresponding to the first protocol, determining a target sending channel from the sending channel; wherein the available credit quota of the target sending channel is greater than zero, and the available credit quota is used to indicate the number of data transactions allowed to be sent in the current clock cycle of the corresponding sending channel; encapsulating the data packet to be sent of the target sending channel to obtain a transaction layer protocol frame to be sent; and transmitting a transmission frame defined by the second protocol carrying the transaction layer protocol frame to a second device. Thus, not only is the semantic fidelity transmission of cross-protocol data achieved, but also the global pause caused by local congestion is avoided through credit-driven channel selection, the head-of-line blocking problem is effectively alleviated, and the bandwidth utilization of the physical link and the overall throughput performance of the system are significantly improved.
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Citation Information

Patent Citations

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    US20260010476A1

  • Area efficient asynchronous first-in-first-out (FIFO) buffer for high bandwidth data transfer using event transfer blocks

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