34results about How to "Solve the problem of out of order" patented technology

The invention provides a data stream recognition method and a device. The method comprises the steps of: receiving a host request, wherein the host request comprises at least one data stream; allocating a sliding window to each data stream in the host request, wherein the sliding window has a start logic address and an end logic address; updating the sliding window allocated to the data stream according to a data block requested to be accessed in the data stream; and within first preset time, if the start logic address and the end logic address of the sliding window are updated and the size of the sliding window is not exceed a preset maximum value, recognizing the data stream as a progressive stream. The device comprises a receiving module, an allocation module, an updating module and a recognition module. By adopting the scheme provided by the invention, the out-of-order problem can be effectively solved and the recognition of multiple progressive streams can be effectively realized.

The embodiment of the invention provides a packet forwarding method and network equipment. The packet forwarding method is applied to the network equipment including a multi-core processor and a forwarding chip, and comprises the following steps: transmitting a packet to the multi-core processor by the forwarding chip through a first uplink channel; after receiving the packet by the multi-core processor, performing hash calculation on quintuple information of the packet, and determining a first downlink channel corresponding to the quintuple information; and transmitting the processed packet to the forwarding chip by the multi-core processor through the first downlink channel. The packets with the same quintuple information are transmitted to the multi-core processor through the same uplink channel, and then transmitted to the forwarding packet through the same downlink channel, therefore, various packets belonging to the same packet flow are forwarded in sequence according to the sequence of receiving various message by the forwarding chip, so that the problem of disorder in the packet forwarding process in the same packet flow is solved.

The invention provides a multi-node multi-channel high-speed parallel processing method and system, and the method comprises the steps: selecting one virtual channel from a plurality of virtual channels as a target virtual channel based on the task demands of a to-be-processed data package, determining a corresponding host forward buffer area and a corresponding host reverse buffer area as targetbuffer areas based on the target virtual channel; distributing required forward memory nodes and reverse memory nodes for the to-be-processed data packet from the target buffer area, writing the to-be-processed data packet into the distributed forward memory nodes in the m forward memory nodes by the host, and writing a command word into the corresponding command word FIFO; and when the forward DMA module polls the command word FIFO, the forward DMA module determines the address information of the allocated forward memory node and the length of the to-be-processed data packet based on the command word information, and transmits the to-be-processed data packet to the algorithm module and the like. According to the invention, high-speed transmission and high-speed processing of data can be realized.

The invention provides a processing method and a processing device for a tandem long message. The method comprises the steps of acquiring a calling message; if the calling message is the tandem long message, buffering all fragments of the tandem long message; after all fragments of the tandem long message is finished, transmitting one charging message to a charging center; and after a charging success message which is fed back from the charging center is received, transmitting all the buffered segments according to a sequence. According to the processing method and the processing device, the tandem long message is transmitted to a called user according to the sequence; furthermore charging and deduction of the tandem long message are performed according to a single message; only on the condition that the called user receives all the segments of the tandem long message, deduction is performed on the user; and on the condition of failure of any segment, deduction is not performed on the user, thereby improving user experience.

The invention relates to a multi-stage central sleeve hydraulic cylinder structure capable of extending and retracting stage by stage. The structure comprises a cylinder block, multi-stage middle cylinder barrels and a piston rod, wherein the front middle cylinder barrel of the multi-stage middle cylinder barrels sleeves the rear middle cylinder barrel of the multi-stage middle cylinder barrels, the cylinder block sleeves the first-stage middle cylinder barrel in the multi-stage middle cylinder barrels, and the last-stage middle cylinder barrel in the multi-stage middle cylinder barrels sleeves the piston rod; and a cylinder block sleeve penetrating through the first-stage middle cylinder barrel is arranged in the cylinder block, each stage of middle cylinder barrel is provided with a cylinder barrel sleeve, the cylinder block sleeve is provided with a first oil guide hole, the cylinder barrel sleeve is provided with a second oil guide hole, and the bottom of each stage of middle cylinder barrel is provided with a communicating oil way matched with the first oil guide hole and the second oil guide hole. According to the structure, all stages of middle cylinder barrels and the piston rod can extend or retract stage by stage, and the problem that all stages of pistons are disordered in the extending or retracting process of multi-stage piston hydraulic pressure in the prior art is solved.

The invention discloses a smoothing method for an asymmetric ship shape and relates to the technical field of ships. The asymmetric ship in the present invention has an asymmetric stern, and the line distortion of the stern contour line includes the following steps, step 1, dividing the hull of the asymmetric ship into multiple regions; step 2, near the stern contour line The line type of the area is smoothed by the Pline line, and the line type of other areas of the asymmetric ship is smoothed by orthogonal interpolation; step 3, merge the line types of each area after smoothing; step 4, generate the asymmetric ship Whole ship Patch; Step 5, export the whole ship Surface of the asymmetric ship. The smoothing method of the asymmetric ship type proposed by the present invention can overcome the shortcomings that the conventional smoothing methods cannot be used for the asymmetric ship type, and the smoothing method of the present invention can reduce the fairing workload and shorten the fairing period.

The invention provides a data package recombination method and device, computer equipment and a readable medium. The method comprises: obtaining all TCP data packets within a preset time period from routing nodes of the network; obtaining a plurality of TCP data packets in each TCP flow according to quadruple information of each TCP data packet; the quadruple information Including source port identification, destination port identification, source IP address and destination IP address; according to the four-tuple information of each TCP data packet in each TCP flow and the attribute information of each TCP data packet, a plurality of TCP in each TCP flow The data packets are reassembled according to the sending order; the reassembled multiple TCP data packets of each TCP flow are reassembled according to the HTTP flow. The technical scheme of the present invention can reassemble data packets in any form of TCP flow, has a very flexible usage mode, can be applied to many scenarios, and has strong practicability.

The embodiment of the present application provides a message forwarding method and a network device, wherein it is applied to a network device including a multi-core processor and a forwarding chip, and the message forwarding method includes: the forwarding chip sends the message to the multi-core through the first uplink channel The processor, after receiving the message, the multi-core processor performs hash calculation on the quintuple information of the message to determine the first downlink channel corresponding to the quintuple information, and the multi-core processor passes the first downlink channel to send The processed message is sent to the forwarding chip. For messages with the same quintuple information, they are transmitted to the multi-core processor through the same uplink channel, and then transmitted to the forwarding chip through the same downlink channel. In this way, each message in the same message flow is received according to the forwarding chip. The sequence is forwarded sequentially, thereby solving the problem of out-of-sequence packet forwarding in the same packet flow.

The invention discloses a data sorting method based on a quick IO interconnecting technique, and three first-in-first-out queues are preset and used for storing response packages with different priorities. The data sorting method comprises the following steps: request packages are sent in the unit of a request package group; a response package group corresponding to the request package group is received at a destination end, and response packages of the response package group are sequentially stored into the three first-in-first-out queues according to the priorities and the sequence of arriving at a source end of the response packages; after receiving of the response packages is finished, the response packages are sequentially read from the three first-in-first-out queues and sent out according to the sequence of transmission marks. Under the precondition that less buffer resources are used and smaller time delay is consumed, the data sorting method based on the quick IO interconnecting technique effectively calibrates the transmission sequence of the response packages at a Rapid IO interface, solves the response package disorder problem of existing high-speed data processing systems and improves the performance of high-speed data processing systems.

The invention provides a method, device and equipment for avoiding disorder of hard disk backboards and a readable medium, and the method comprises the following steps: querying the position of the hard disk backboards connected to an RAID (Redundant Array of Independent Disks) card, and setting an identification sequence of the hard disk backboards according to the position of the hard disk backboards; adding a firmware code of the hard disk backboard expansion chip into the expansion chip source code and setting a firmware initialization condition; in response to completion of power-on of the hard disk backplane, initializing firmware of the hard disk backplane where a first sequence is located in the identification sequence; and in response to completion of firmware initialization of the hard disk backplanes, initializing firmware of the next hard disk backplane in the identification sequence, and repeating the current step until firmware initialization of all the hard disk backplanes is completed. By using the scheme of the invention, the problem that the hard disk backboard is out of order can be solved, and the time cost and the labor cost can be saved.

The invention provides a real-time data processing method and system, and relates to the technical field of data processing. The data real-time processing method comprises the steps of dividing data to be processed in a system based on a data processing window; judging the data processing window based on the system reference time; and when the system reference time is greater than or equal to theend time of the data processing window, calculating and outputting a calculation result of the data in the current data processing window. According to the scheme, the calculation accuracy can be ensured, and a large amount of data aggregation calculation can be realized.

The invention relates to a video transmission technology, and discloses an RTP (Real-time Transport Protocol) data packet sorting method, which comprises the following steps of: acquiring an RTP data packet in a structural body corresponding to the minimum RTP data packet serial number and sending the RTP data packet to a preset player by utilizing a plurality of structural bodies which are arranged in an ascending order according to the RTP data packet serial numbers from the queue head to the queue tail and are connected end to end, and taking the corresponding structural body as an available structural body, and storing the received new RTP data packets by using the available structural bodies, always keeping a structural body queue sequence which is in ascending order according to the serial numbers of the RTP data packets from the queue head to the queue tail and is connected end to end, continuously obtaining the RTP data packet with the minimum serial number from the plurality of structural bodies, sending the RTP data packet to a preset player, and taking the corresponding structural body as the available structural body, and storing the received new RTP data packet by using the available structure body. The invention further provides an RTP data packet sorting device, equipment and a medium. According to the invention, the problem of disorder of the RTP data packets in network transmission can be solved, and the problem solving efficiency is improved.

Embodiments of the present invention provide a data merging method, device, electronic equipment, and storage medium. Wherein, the data merging method includes: acquiring data and processing a rule set of data, wherein the rule set includes matching rules; performing rule matching on the data, if the data hits any match in the rule set rule, adding a corresponding rule identifier of the matching rule to the data, and generating a merge identifier for the data based on the data time of the data, the preset merge cycle and the rule identifier, if the data does not match the If any matching rule in the rule set is used, the data is output to an external storage system; and the data is merged based on the merge identifier. The embodiment of the present invention can solve the problem of data merging when data in a large range is out of sequence, and has the advantages of high real-time performance of data transmission and low memory overhead.

The invention provides a method and device for multi-core CPU contract letting. The method and device are applied to network equipment based on SMP architecture. The method comprises the steps of statically allocating all CPU of a multi-core CPU to sole downgoing internal channels; extracting message characteristics of a message when the message sent by a transferring chip is received; allocating a target CPU to the message based on the extracted message characteristics, sending the message to the target CPU, processing the message through the target CPU, and after processing is completed, returning a processing result to the transfer chip through the downgoing internal channels allocated to the target CPU. According to the method and device for multi-core CPU contract letting, a correlated technique is solved, the CPU returns the processing result to the transferring chip according to the multiple downgoing internal channels, and processing time delays of interfaces of the multiple downgoing internal channels are different, which results in the out-of-order problem of the message.

The present application provides a method and device for realizing message distribution. The method is applied to the distribution core included in the network equipment, and the network equipment also includes multiple forwarding cores and outgoing interfaces for forwarding service messages. The method The method includes: when the outgoing interface is in a congested state, obtaining the first service message to be forwarded from the forwarding queue, and obtaining the first forwarding message for putting the first service message into the forwarding queue from the user domain. The first identification of the core; according to the first identification of the first forwarding core, look up the forwarding core mapping table; if there is no forwarding core mapping entry corresponding to the first identification in the forwarding core mapping table, then determine Idle states of other multiple forwarding cores except the first forwarding core; selecting a second forwarding core according to the idle states of the other multiple forwarding cores; forwarding the first service to the second forwarding core message, so that the second forwarding check performs forwarding processing on the first service message.