According to GlobalData’s company profile on China Development Financial Holding, was a key innovation area identified from patents. China Development Financial Holding's grant share as of May 2024 was 69%. Grant share is based on the ratio of number of grants to total number of patents.

Packet sorting and reassembly circuit module for tcp communication protocol

A recently granted patent (Publication Number: US11979479B1) discloses a packet sorting and reassembly circuit module designed to efficiently handle network packets transmitted using the TCP communication protocol. The module includes a header parser, an information processing circuit, state tracking and reassembly circuits, and an output arbiter. The header parser analyzes packet segments to extract header information, which is then used by the information processing circuit to transmit the segments to the appropriate state tracking and reassembly circuit for reassembly and sorting. The output arbiter ensures the correct output of the reassembled packet segments based on the sorting result. The information processing circuit further includes components such as an information integration circuit, payload calculation circuit, and distributor to facilitate the processing of packet data payload length and sideband information.

Additionally, the patent claims detail various aspects of the packet sorting and reassembly circuit module, including the handling of partial information related to sequence number, time stamp, and time window size, as well as connection comparison and path selection based on internet protocol address and port information. The module also features a register for storing connection setting information, multiple queues for organizing packet segments, and the ability to identify retransmission packets. The implementation of the module is based on the AXI4-Stream protocol, highlighting its compatibility with existing network communication standards and protocols. Overall, the patented technology offers a comprehensive solution for efficiently sorting and reassembling network packets, enhancing data transmission and processing capabilities in network communication systems.

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