33 results about "Message length" patented technology

There are provided apparatuses, methods and computer program products. In accordance with an embodiment, there is disclosed a method comprising defining at least one message length related criterium comprising at least a minimum data volume threshold; determining whether transmission of a message using a small data transmission procedure in an inactive state of the user equipment is allowed; and providing the user equipment indication of the usage of the at least one message length related criterium. There is also disclosed a method comprising obtaining at least one message length related criterium comprising at least a minimum data volume threshold; preparing at least one message to a message buffer of the user equipment to be transmitted by a small data transmission procedure in an inactive state of the user equipment; comparing a length of data in the message buffer with the at least one message length related criterium; n constructing a packet from the data in the message buffer for transmission; and transmitting the packet by the small data transmission procedure if the length fulfils the at least one message length related criterium.

The invention provides a data transmission verification method and device, electronic equipment and a storage medium, and relates to the technical field of network communication, a unique connection identifier is allocated in a connection establishment stage of two communication parties, and a serial number field is designed as a combination of message length information and a random number; a connection identifier and a serial number field are packaged at the head and the tail of the data message respectively, a type-length-value structure message is carried in the middle of the data message, and the consistency of the connection identifier and the serial number field at the head and the tail of the data message is verified after the received message is de-packaged; and when verification fails, the current connection is terminated, and the connection is triggered to be reestablished to retransmit data, so that the problems that packet loss, data tampering or errors are easy to occur during RoCE data transmission in the prior art, and a traditional verification mode is high in calculation complexity, large in occupied bandwidth and high in reliability can be solved. And a traditional retransmission mode is easy to cause system performance reduction or system abnormity caused by access of a wrong memory address.

The invention discloses a multi-link flow scheduling method and device based on convergence and shunting, and a medium, and relates to the technical field of flow scheduling, and the method comprises the steps: collecting access messages, merging flow clusters, carrying out the statistics of the total business volume and the message number of the flow clusters, generating a business observation column and the average message length, executing link light detection and interface counting, and generating a link observation column; generating a normalized service volume sequence and a service discrimination threshold, obtaining a service phase sequence, generating a bearing state quantity and a link discrimination threshold, and obtaining a link phase sequence; generating a phase conflict value sequence and a time limit carrying quantity sequence, forming a candidate link set, solving a synchronization completion moment, and generating a link service quantity; according to the candidate link set and the link traffic, in combination with the average message length and the message number, the final number of continuous message blocks is generated, the continuous message blocks are segmented, and shunt sending is executed, so that link selection and service distribution are more targeted, and the coordination, the performability and the stability of multi-link traffic scheduling are improved.

The application relates to the technical field of network communication, and discloses a congestion control method and device, electronic equipment, a storage medium and a program product. The method sets special length-fixed probe request messages and probe response messages, and calculates a round-trip time based on a request sending timestamp, a request receiving timestamp, a response sending timestamp and a response receiving timestamp, effectively eliminates the influence of message length difference and response side scheduling time fluctuation on the calculation of the round-trip time, and significantly improves the measurement accuracy. Since the probe response messages are transmitted through a special traffic category channel, logical isolation of probe traffic and service traffic is realized, and the interference of the response path congestion on the measurement result is greatly reduced. Since all the timestamps are recorded by the network card hardware, the accuracy and real-time performance of the time recording are ensured, dependence on special functions of the switch is avoided, and excellent compatibility and practicability are achieved.

The application relates to a request comparison method and device applied to UVM verification, a computer device, a computer readable storage medium and a computer program product, which can be used in the field of computer technology. The method comprises the following steps: creating a transaction class corresponding to a storage access operation; generating an instance message of the storage access operation according to the transaction class, and storing the instance message in an expected queue; in the case that a storage access request message to be compared meets protocol conditions and design specification conditions, comparing the storage access request message with the instance message in the expected queue to obtain a comparison result of the storage access request message; the comparison processing comprises start address comparison processing and message length comparison processing; and the comparison result is used to determine an access verification result of the storage access request message. The method can improve the efficiency of access verification.

This application provides a communication method, communication device, system, and computer-readable storage medium. The method, applied in the field of communication, allows a reader to accumulate and statistically analyze the number of valid terminals within the current access period based on received and parsed Msg1 messages from multiple terminals. Then, it matches different AS ID compression strategies according to the range of terminal counts to determine the target number of bits for the AS ID of each accessing terminal, thereby assigning an AS ID with a different number of bits to each terminal. Furthermore, this application's embodiments overcome the limitation of using a traditional fixed 16-bit AS ID for each terminal in NACK messages. It allows for flexible selection of access identifiers based on the number of accessing terminals. This method can adapt to more scenarios, significantly reducing NACK message length and air interface transmission load, improving transmission efficiency and compatibility. It also eliminates the need for significant hardware or protocol stack modifications for terminals, reducing standard upgrade and terminal adaptation costs.

The invention relates to the technical field of communication, in particular to a message recombination method and device, equipment and a medium. According to the method, firstly, the message length field is determined, then whether splitting is needed or not is judged by comparing the message length field with the maximum read request size, meanwhile, the transmission control parameters are obtained, it is ensured that the recombination strategy can accurately adapt to different parameter differences and message length characteristics, and the current situation that original recombination logic does not have unified specifications and is poor in adaptability is changed; secondly, the recombination logic is greatly simplified through the standardization process, transmission errors caused by rule chaos are avoided, meanwhile, targeted strategies are made according to different comparison results and transmission control parameters, and the stability of cross-chip data transmission is guaranteed; then, the scheme can be directly embedded into a lightweight SOC verification environment, does not need to depend on a lagged SOC system, can carry out a recombination function test in advance, effectively breaks through the limitation of the verification environment, greatly shortens the verification period, and improves the verification efficiency.

The invention relates to a computing power identification signaling construction method and device, communication equipment, a storage medium and a computer program product. The method comprises the following steps: an initiator generates a signaling message; the signaling message comprises a message header and a message body; the message header includes a message type, a message length, and a transaction identifier. By adopting the method, the computing power resource management efficiency can be improved.

The invention relates to the technical field of communication, in particular to a message processing method, device, system and equipment, a medium and a product, and the method comprises the steps that a server receives a first handshake message forwarded by a gateway under the condition that the analysis of the first handshake message sent by a client fails; if it is determined that the message length of the first handshake message meets the length requirement, generating a handshake message retransmission request, and sending the handshake message retransmission request to the client; the server receives a target handshake message sent by the gateway under the condition that the second handshake message sent by the client is successfully analyzed, and establishes a handshake connection with the client based on the target handshake message, the target handshake message carries user identity information of a user to which the client belongs, and the user identity information carries user identity information of the user to which the client belongs. The second handshake message is sent to the gateway by the client based on the handshake message retransmission request, so that the message size of the second handshake message resent by the client meets the analysis buffer area of the gateway, and the success rate of gateway number taking and handshake connection can be effectively improved.

This invention discloses a communication method and apparatus between circuit boards, relating to the field of circuit board communication technology. The method includes: upon receiving a header identifier message, starting a first timer to collect the first interval duration for receiving adjacent messages; when the first interval duration is greater than a first preset duration, clearing the DMA buffer of the current message data and initiating the next DMA receive interrupt; when the first interval duration is not greater than the first preset duration, continuing to receive messages in the current message data; upon receiving a long message indicating the message length in the current message data, determining a second preset duration based on the message length, starting a second timer to collect the second interval duration between receiving the long message and the final message in the current message data; when the second interval duration is greater than the second preset duration, clearing the DMA buffer of the current message data and initiating the next DMA receive interrupt. This invention can improve the accuracy of communication between circuit boards.

The invention discloses a quantum digital signature method and system for multi-receiver verification arbitration, and relates to the technical field of quantum digital signatures, secret key consumption is reduced from O (k2) magnitude to O (k) magnitude through a secret key synthesis technology, and under the same security parameter and message length, the secret key consumption of the scheme of the invention is reduced by at least two orders of magnitude compared with the existing scheme; based on the information theory security of the quantum key and the unconditional security of one-time hash / encryption, the scheme of the invention can effectively resist forgery attack and denial attack, and the security is strictly proved; the multiple receivers can interact with the arbiter at the same time and complete verification independently, the whole signature verification time of the system is greatly shortened, and the method is particularly suitable for large-scale quantum network application.

The application provides a communication method and device, which are applied to a network device, and the method comprises the following steps: receiving a first message, wherein the first message comprises a seq value and a message length value; if the first message is not a syn message and a first node matching a message feature of the first message has been inquired locally, identifying whether the first message is a syn-ack message; if the first message is not the syn-ack message and the first message is a forward message, identifying whether the first message is in a first window interval of a sliding window according to the seq value and the message length value; if the first message is in the first window interval, forwarding the first message; if the first message is not in the first window interval, discarding the first message.

The present application relates to a method and apparatus for constructing computing power identification signaling, a communication device, a storage medium and a computer program product. The method comprises: an initiator generates a signaling message, the signaling message comprising a message header and a message body, and the message header comprising a message type, a message length and a transaction identifier. By using the present method, the efficiency of computing power resource management can be improved.

The invention discloses a memory instruction set data acquisition method and system based on a clipboard, and the method comprises the steps: a user captures multiple types of target messages after rolling a mouse roller to trigger a copying instruction, adds format identifiers to the multiple types of target messages, and stores the format identifiers to the clipboard in a binary stream form; generating a memory instruction set through the physical storage address of the clipboard and the format identifier and the message length of the target message, and storing the memory instruction set to a memory address; after a memory instruction set is positioned and read through a memory address, binary stream data is extracted from the clipboard, a target message type is identified through a Type field in the binary stream data, and a target message binary data segment is positioned according to Offset and Len in the memory instruction set; and calling an analysis algorithm corresponding to the target message type to analyze the binary data segment to obtain a target message, and outputting the target message. According to the method, multiple types of messages are directly extracted through the memory, so that the operation efficiency and the analysis integrity are greatly improved.

The invention relates to the technical field of electric power information security, and provides a hybrid encryption communication method and system suitable for an electric power APN Internet of Things private network, and the method comprises the steps: obtaining a session key request initiated by a service platform, carrying out the tunnel packaging and timestamp adding of the session key request, and obtaining a session key request package; performing Hash abstract on a timestamp, a message length field and a tunnel encapsulation length field in the session key request encapsulation packet to obtain session key request integrity message feature information, and adding the session key request integrity message feature information to the encapsulation packet; searching a corresponding session key table according to the service platform identifier, obtaining session key parameters, obtaining a session key request acknowledgement packet according to an SM3 algorithm, and sending the session key request acknowledgement packet to the service platform; and obtaining a message sent by the service platform, decrypting the message according to the session key parameter and the received message and sending the decrypted message to the service host, thereby realizing hybrid encryption of a communication data packet between the user side access point and a network outside the trusted boundary of the power APN Internet of Things private network based on the session key.

The invention discloses a communication method and device, electronic equipment, a storage medium and a program product. The method comprises the following steps: acquiring a to-be-sent message, and determining the message length of the to-be-sent message; if the message length is greater than the estimated memory size, expanding the shared memory according to the message length, determining the size of the expanded shared memory, and determining the size of the shared memory according to the estimated memory size; and applying for a new shared memory according to the size of the expanded shared memory, and sending the to-be-sent message according to the new shared memory, thereby solving the problem that the variable-length message cannot use the shared memory to perform inter-process zero-copy communication, performing expansion when the estimated memory size is smaller than the message length in the message sending process, and improving the message sending efficiency. Zero-copy communication between processes of the variable-length message through the shared memory is realized, and the length of the to-be-sent message does not need to be accurately pre-estimated in advance; the method is suitable for sending variable-length messages and fixed-length messages, message types are not limited, and the use process is flexible and changeable.

The embodiment of the invention discloses a context management method and device for Agent interaction, equipment and a readable storage medium. The method comprises the following steps: acquiring a total message length threshold value set by a current Agent, and monitoring whether the length of a context reaches the total message length threshold value or not in real time; if yes, obtaining all messages after last historical processing as target processing messages, and detecting message types of the target processing messages according to the format fields; if the target processing message is a system message, keeping the target processing message unchanged; if the target processing message is a user message, whether the user message contains a tool calling result is analyzed, and if yes, the user message is processed; if not, keeping unchanged; and if the target processing message is the model message, judging the message type of the model message, and processing according to the message type of the model message. According to the method, the Token length of the context is reduced, the number of times of interaction between the Agent and the large model is prevented from being limited, and normal operation of functions of the Agent is guaranteed.

This invention discloses a method and related equipment for identifying key fields in industrial control protocols, belonging to the field of cyberspace security technology. The method includes: if a delimiter exists in the message, identifying key fields in the protocol using the features of the delimiter; if no delimiter exists in the message, performing type-length-value decoding on the protocol; if decoding is successful, identifying key fields in the protocol using type-length-value decoding; if decoding fails, when there is only one length field in the protocol, identifying the length field based on the correlation between the message length difference and the field value difference, and identifying the structure identifier field based on the consistency of the field value in similar messages; when there are multiple length fields in the protocol, identifying the structure identifier field based on the protocol spectrum and convolutional neural network, and identifying the length field based on multidimensional hypothesis testing. This method can effectively identify structure identifier fields and length fields in industrial control protocols.

The invention relates to the technical field of communication, and provides a message processing method and device, an FPGA and communication equipment. The method comprises the following steps: firstly, caching a received packet message, and taking a cache initial address and a message length of the packet message in a first annular RAM (Random Access Memory) as cache information of the packet message; updating the value of a preset message status bitmap according to the serial number of the grouped message, and storing the cache information of the grouped message to a preset cache sequence; and finally, according to the value of the message state bitmap and the cache sequence, each piece of cache information is stored in a preset receiving queue, so that each piece of cache information in the receiving queue is arranged according to the sequence number of each grouped message, and the received grouped messages are rearranged. Therefore, the effects of saving storage resources and improving storage performance are achieved.

The invention provides a message interaction method, electronic equipment, a storage medium and a computer program product. The method is applied to a fast forwarding network element, and comprises the following steps: receiving and analyzing a first message to obtain a first message header, the first message header comprising a first message length, first data information and first quintuple information; judging whether to forward the first message to a slow forwarding network element based on the first quintuple information; if so, judging whether the first message length is greater than or equal to a preset threshold value; wherein the preset threshold value is smaller than or equal to the maximum transmission unit of the interconnection port between the fast forwarding network element and the slow forwarding network element; if the first message is greater than or equal to the preset threshold value, storing the first data information, extracting a first message header from the first message, and forwarding the first message header to a slow forwarding network element; if the first message is smaller than the preset threshold value, forwarding the first message to a slow forwarding network element; in this way, communication of ultra-long messages between network elements is achieved.

This invention proposes a mobile encrypted application classification method based on traffic sequence behavior characteristics. The specific steps are as follows: 1) Capture and collect encrypted traffic under various encryption protocols using mobile UI controls, and simultaneously group the traffic to construct message length sequence samples under each protocol; 2) Based on the client-server traffic transmission mechanism, construct message length sequence features with consecutive MSS lengths in the same direction for TCP and QUIC protocols to characterize the correlation patterns between traffic behaviors. Use the MCFormer model to classify different application encrypted traffic under the two protocols, thereby achieving accurate classification of encrypted TCP and QUIC traffic applications in mobile scenarios; 3) Considering the message splicing characteristics of the TLS protocol, propose accumulating consecutive TLS message lengths within intervals with similar message time intervals to construct TLS message length sequence features. Use the MCFormer model to classify different application encrypted traffic under the TLS protocol, thereby achieving accurate classification of encrypted TLS traffic applications in mobile scenarios.

The invention discloses a protocol message marking method, a protocol message marking device, electronic equipment and a computer readable storage medium, and relates to the technical field of communication. The marking method comprises the following steps: configuring an access control list rule for matching a protocol message; screening all protocol messages according to the access control list rule to obtain messages to be processed; according to a preset mapping relation, the priority field in the virtual local area network label of the to-be-processed message is re-marked as a corresponding port identifier, and the mapping relation is the mapping relation between the priority field and the port identifier. According to the invention, on the premise of not increasing the length of the protocol message, it can be ensured that the protocol message can contain the physical port information corresponding to the protocol message, so that the situation of information fault is avoided, and normal operation of network equipment is ensured.

This application provides a method and system for processing physical interaction data of power grid equipment. The method constructs flow description information for each periodic data stream based on the message transmission period and message length of each intelligent electronic device (IED) in the process layer. Based on the flow description information, worst-case arrival analysis is performed for each output port in the TSN. Based on the results of the worst-case arrival analysis, a gating schedule for each output port in the TSN is generated or adjusted. Based on the generated gating schedule, a transmission phase offset parameter is assigned to each IED. During the operation of the TSN network, delay measurement is performed on the periodic data streams to obtain delay statistics. Based on the delay statistics, the gating schedule is adaptively adjusted to maintain message transmission delay jitter within a preset upper threshold, thereby improving the determinism and reliability of critical periodic data stream transmission in the process layer of the intelligent substation.

This disclosure relates to techniques for performing transmission of a message in a wireless communication system. A recommended message length may be estimated based on channel conditions. A message may be prioritized for transmission based on user input and / or the recommended message length.

A communication rate optimization method and system for intelligent circuit breaker (PCB) data acquisition is disclosed. A master-slave 485 serial communication network architecture is adopted, with the master station communicating with multiple slave PCBs via an edge gateway. First, the broadcast parameters for the PCB data acquisition task are determined. The master station's edge gateway sends a call address command, and the slave stations respond according to priority, calculating communication parameters based on the number of devices and message length. The master station evaluates the overall data transmission time by calculating the response time interval and determines whether the communication efficiency is optimal. A communication rate optimization mechanism is established, with the master station dynamically adjusting the safety factor to balance stability and transmission efficiency. Specifically, this is achieved by detecting data packet conflicts, adjusting the safety factor calculation method, and optimizing the slave station response priority based on device alarm status. This invention enables one-question-multiple-response communication, automatically adjusting communication efficiency, and improving the efficiency of serial communication data acquisition.

The application provides a method for improving the success rate of shipborne Beidou short message transmission in high-latitude sea area, which comprises the following steps: firstly, designing a coding dictionary, wherein the coding dictionary is composed of a state byte, a complete longitude byte, a complete latitude byte, a partial longitude byte and a partial latitude byte; secondly, encoding the original information to be transmitted by the message transmitting end according to the newly designed coding dictionary; thirdly, highly simplifying the message content and minimizing the message length; and fourthly, reducing the probability of error caused by interference and improving the success rate of message transmission.

The invention discloses a spam short message real-time detection method and system, electronic equipment and a storage medium, and belongs to the technical field of communication security and artificial intelligence. The method comprises the steps of obtaining to-be-detected short message content and determining a short message length L; extracting the number n of non-standard characters and the number m of unusual Chinese characters in the short message content; fusing the short message content, the pinyin representation of the short message content and the stroke sequence of each Chinese character in the short message content into a unified embedded representation; inputting the embedded representation into a pre-trained dichotomy large language model to obtain a probability p that the short message is a junk short message; calculating a score according to the probability p, the number n of non-standard characters, the number m of unseen Chinese characters and the length L of the short message, and carrying out normalization processing on the score; and judging whether the short message is a junk short message based on a comparison result of the normalized score and a preset threshold value. The detection accuracy is improved, the false alarm rate is effectively reduced, the user experience is remarkably improved, and the real-time detection requirement of the mobile terminal is met.

This application relates to a PMU encrypted communication anomaly self-healing method, system, computer device, and storage medium based on protocol stack state machine learning. The method includes: when PMU encrypted communication transmits data at a preset fixed frame rate, extracting message length and arrival time to generate a protocol stack state feature sequence; constructing a baseline model based on the statistical distribution of normal states; calculating the deviation of the real-time feature sequence relative to the baseline model using a sliding window; when the deviation exceeds a threshold, comparing the dual-end encryption policy parameters to obtain a consistency judgment result; jointly analyzing the deviation and consistency results to distinguish the anomaly type; if the anomaly type is tunnel dead, sending a key exchange protocol deletion message and reconstructing the security association; if it is policy mismatch, issuing a policy correction command through the northbound interface and triggering key renegotiation. This application can distinguish the root cause of encrypted communication anomalies and repair them specifically, improving the repair efficiency of encrypted communication anomalies and the continuity of data transmission.

The invention relates to a cache data scheduling method and device, a computer system and a readable storage medium. The method comprises the following steps: when a plurality of target ingress ports of a switch initiate a data scheduling request to a scheduler of a target egress port, arbitrating the target ingress port from the plurality of ingress ports through the scheduler of the target egress port; the data scheduling request is used for scheduling the first message; acquiring the first message and at least one second message from the cache of the target entry port under the condition that the first message meets the aggregation condition; the outlet ports of the second message and the first message are the same, and the sum of the message lengths of the second message and the first message is smaller than the switching bandwidth of the switch; and scheduling a message obtained by aggregating the first message and the at least one second message to a target exit port. By adopting the method, when a plurality of data packets are scheduled in one beat in the PCIe Switch, the transmission efficiency of the data packets can be improved.

A message transmission method and apparatus, and a message verification method and apparatus are disclosed. The method includes: acquiring protection information, the protection information being used to verify the security of a message; obtaining a Virtual Extensible Local Area Network (VXLAN) message based on the protection information, the VXLAN message including a VXLAN encapsulation and a Media Control Access (MAC) message, the protection information being located in at least one of the VXLAN encapsulation and the MAC message; and sending the VXLAN message. By simplifying the design, security protection capabilities that would otherwise require IPsec tunneling are placed within the VXLAN encapsulation and / or MAC message of the VXLAN message, thereby simplifying the IPsec message header, avoiding the increase in VXLAN message length due to the IPsec message header, reducing VXLAN message transmission resource overhead, and improving the transmission efficiency of information carried in the VXLAN message.