42 results about "Protocol Identifier" patented technology

The invention relates to the technical field of data acquisition, and discloses a multi-protocol extensible data acquisition system architecture and method with a unified interface standard, and the architecture comprises a data source management module which is used for storing data source configuration information and distributing protocol identifiers; the protocol adaptation module comprises an analysis unit and a matching unit and is used for realizing data format conversion and protocol compatibility verification; the data conversion module is used for generating target data through format conversion and semantic mapping; the data verification module and the anomaly detection module are used for comparing and monitoring data integrity based on an integrity algorithm and a threshold value; the data quality monitoring module and the early warning module are used for comparing and evaluating data quality through a consistency model and a threshold value; and the result output module transmits the early warning information to a target system. The method comprises the steps of data source configuration, protocol adaptation, data conversion, integrity and quality monitoring, early warning and the like. The system expansibility and the data reliability are improved, and the method is suitable for multi-scene data acquisition.

The invention provides a network malicious behavior message backtracking generation method and system based on information guidance, and the method comprises the steps: firstly collecting an original flow data set of a target network node, which comprises a plurality of groups of communication protocol identifiers and corresponding load content sequences, extracting transmission features of the original flow data set, and obtaining protocol identifier distribution features and interaction time sequence track features; and calling an abnormal traffic detection model based on the protocol identifier distribution characteristics and the interaction time sequence track characteristics to judge malicious behaviors, and obtaining abnormal traffic data and an attack stage tag sequence. Performing behavior feature vector mapping processing on the abnormal flow data according to an attack stage label sequence to generate a behavior feature vector set, and finally constructing a multi-level association network based on the behavior feature vector set, generating a message backtracking path and outputting a malicious behavior message backtracking chain. Therefore, the malicious network behavior message can be backtracked accurately and efficiently, and the network security protection capability is improved.

A first network device of a first data center may encode a source tenant system interface (TSI) group identifier into a tag protocol identifier and a group-based policy identifier, and may encode the tag protocol identifier and the group-based policy identifier into a virtual extensible local area network (VXLAN) packet with the source TSI group identifier, where the source TSI group identifier is not included in a header of the VXLAN packet. The first network device may provide the VXLAN packet, with the source TSI group identifier, to a second network device of a second data center, via an Ethernet virtual private network (EVPN) multiprotocol label switching (MPLS) network.

The invention relates to the technical field of inter-process communication, in particular to a communication method and system among multiple software operating environments, which comprises the following steps of: acquiring protocol identifiers, version numbers and packaging formats of a network protocol stack and a cross-platform compatible protocol, analyzing coding formats and control fields of data packets, extracting communication identifiers and field lengths, and establishing a network protocol stack and a cross-platform compatible protocol; and analyzing the compatibility of the coding format, and generating a protocol matching index. According to the method and the device, fine communication adaptation can be realized by acquiring and analyzing key parameters of a network protocol, such as a protocol identifier and a packaging format, through an innovative scheme, so that the accuracy and the efficiency of cross-platform data transmission are optimized, the accuracy of data packet coding and control field analysis is improved, and the data transmission efficiency is improved. In addition, by monitoring network performance and dynamically adjusting a sending window and a compression ratio, the bandwidth utilization rate and the reliability of network communication are remarkably improved, a communication path is deeply analyzed and optimized, and it is ensured that data are transmitted through an optimal path.

The invention discloses an agricultural Internet of Things equipment access method and equipment based on Py4J, and a medium, and belongs to the technical field of agricultural Internet of Things equipment access. The method comprises the following steps: receiving original data based on a Java network component, extracting a protocol identifier, and transmitting the protocol identifier to a data analysis service module; calling a Py4J communication interface based on the data analysis service module, and activating a protocol method module according to a protocol identifier; the protocol-based method module decodes the original data to generate an Internet of Things platform general message, calls the general message back to the data analysis service module and then transmits the general message to the Internet of Things platform; when the Internet of Things platform issues a control instruction, calling a Py4J communication interface, activating an encoding method, and encoding the control instruction into an equipment message; and sending the equipment message to the target agricultural Internet of Things equipment through the Java network component based on the data analysis service module. According to the method, the equipment access cost is reduced, the docking process is simplified, and the equipment access cost can be reduced and the docking process can be simplified.

The invention belongs to the technical field of network security, and particularly relates to a network anomaly monitoring method and device based on flow fingerprint learning and a program product, and the method comprises the steps: extracting encryption-independent metadata of a target network; the metadata comprises a quintuple of a data packet, a timestamp, a length and protocol mark information; aggregating the metadata by taking a source IP address as a main key, and defining a network entity; performing session feature extraction on sessions between the target network entity and other network entities, the extracted session features including a time sequence feature, an operation sequence feature and a scale distribution feature; wherein the operation sequence feature comprises the Shannon entropy of a continuous request and response type pair; constructing a behavior fingerprint of the target network entity according to the session feature; and judging whether the target network and the target network entity are abnormal or not according to the deviation degree of the current behavior fingerprint of the target network entity and the fingerprint baseline. According to the invention, accurate identification of network anomalies can be realized.

A network node according to the present invention comprises: a reception unit that receives, from a first network node, a first message requesting a signature of a protocol identifier header that includes a calling user identifier and a Rich Call Data (RCD) acquisition request; and a transmission unit that transmits a second message including the calling user identifier and the RCD acquisition request to an RCD server. The reception unit further includes a control unit that receives a third message including a signed RCD signed by the RCD server and related to the calling user identifier, executes verification of the signature in the signed RCD, and executes a signature for the protocol identifier header that includes the calling user identifier and the signed RCD. The transmission unit transmits a fourth message including the signed protocol identifier header to the first network node.

The application provides an application software awakening method and device, a storage medium and an electronic device. The method comprises the following steps: an APP obtains a first page jump protocol from a jump instruction, and obtains a target protocol identifier and target protocol information by analyzing the first page jump protocol; if a preset protocol identifier matched with the target protocol identifier exists in a local protocol information library, the preset protocol identifier is taken as a jump protocol identifier; if the target protocol information does not match target protocol configuration information corresponding to the jump protocol identifier, the target protocol information is modified to obtain jump protocol information; and a second page jump protocol is generated according to the jump protocol information and a native page identifier corresponding to the jump protocol identifier, and page jump is performed based on the second page jump protocol. According to the method, the APP can dynamically recombine the page jump protocol based on the local protocol information library, and page jump is realized. The protocol data can be changed by updating the local protocol information library, and the APP does not need to be developed and put online again.

The invention belongs to the technical field of network communication, provides a hop count triggering-based CSIG telemetering method, network forwarding equipment and a network forwarding system, and aims to solve the technical defects of message expansion and overhigh overhead of an existing IFA in-band measurement scheme and incapability of realizing full-path panoramic acquisition of a native CSIG aggregation scheme. According to the method, specific processing logic is deployed in network forwarding equipment, a CSIG label telemetering message carrying a novel protocol identifier NEW TPID is identified, decreasing operation is carried out on a collection trigger counter TTC, and nodes are triggered according to the TTC value to collect telemetering data and write the telemetering data into a label. The method can be applied to path node state collection and congestion monitoring of a data center network and a park network, and the lightweight characteristic and the refined operation and maintenance requirement are both considered.

The invention relates to the technical field of passive optical network (PON), is applied to fiber to room (FTTR), enterprise-level fiber to room-Bus (FTTR-B) and broadband fusion terminal products, and particularly relates to a Mesh networking method, device and equipment based on PON and a medium, topology multicast messages are periodically sent by receiving target network equipment, and the topology multicast messages are transmitted by receiving the target network equipment. Determining host address information in the Mesh network according to a private mesh network protocol identifier in the topology multicast message, generating and sending an M1-stage message for the access point to request wireless configuration to the host according to the host address information in the Mesh network, receiving an M2-stage message replied by the host for the M1-stage message and used for the access point to request wireless configuration, and sending the M2-stage message to the host according to the M1-stage message. And the Mesh networking parameter synchronization is completed according to the AP wireless configuration parameter in the M2-stage message, so that the compatibility problem in the networking process of different Mesh protocols is avoided, the success rate of Mesh networking is effectively improved, and the user experience is improved.

The invention relates to the technical field of 5G protocol conversion, and discloses a 5G protocol efficient conversion method and system for a heterogeneous terminal of a power distribution network, and the method comprises the steps: constructing a communication protocol mapping library which stores analysis rules and field mapping relationships between various source protocols and target standard protocols; receiving an original data message of the heterogeneous terminal, matching a corresponding analysis rule according to a protocol identifier, and extracting a data field and a service instruction type; identifying a high-real-time instruction and correspondingly transferring the high-real-time instruction into a high-priority queue; calling a pre-compiled protocol conversion script, and directly converting the pre-compiled protocol conversion script into a data frame in a standard protocol format according to a field mapping relation; data frames are distributed through a distributed communication channel, and a channel allocation strategy is dynamically adjusted according to load pressure to optimize a transmission path. According to the method, millisecond-level key instruction conversion is realized through the pre-compilation script and the priority queue, and the adaptability of the system to heterogeneous protocols and the overall communication reliability are improved by utilizing structured protocol mapping and dynamic transmission optimization.

The invention relates to the technical field of network security protection, and discloses a network switch hardware security protection system based on dynamic encryption. The system comprises dynamic encryption key generation, encryption difference analysis, security threat positioning and an adaptive encryption strategy. The dynamic encryption key generation component combines a switch historical flow mode and real-time data packet feature modeling, captures a transmission time interval, a load capacity and a protocol identifier, and outputs a temporary key; the encryption difference analysis component performs three-dimensional evaluation on the temporary key and the reference key to generate a key-level difference index; the security threat positioning component inputs the indexes into a network topology mapping system, and generates a threat probability density map and positions abnormity in combination with port configuration and segment identification; the self-adaptive encryption strategy component configures parameters in sequence, starts multi-layer encryption in a high-threat area, refreshes a key by an adjacent node, and adapts to a complex network environment.

This invention provides a protocol serialization update method, electronic device, and storage medium. The method includes: generating an index field corresponding to the protocol file to be updated based on the protocol identifier, the server identifier of the server corresponding to the protocol, and the update time of the protocol; and storing the index field, the data structure, and the deserialization strategy of the protocol file to be updated into the memory of the protocol update system. The target protocol for a given service can be determined from several protocols using the index field. Then, the update time in the index field is used to find the protocol file corresponding to the update time from several protocol files of the target protocol. The deserialization strategy of this protocol file is then used to deserialize the data stored at the corresponding time, reducing human intervention and achieving automated protocol updates.

The invention relates to a power network protocol analysis system, method and device, a medium and a program product. The power network protocol analysis system comprises a P4 chip and an FPGA coprocessor. The P4 chip is used for determining a protocol identifier set corresponding to the to-be-processed data packet and determining the field offset of a target field corresponding to a protocol identifier; the FPGA coprocessor is used for receiving the protocol identifier set sent by the P4 chip and determining a target analysis rule template from the analysis rule templates corresponding to the protocol identifiers; and the P4 chip is used for carrying out power network protocol analysis corresponding to the protocol identifier on the to-be-processed data packet according to the target analysis rule template and the field offset to obtain a target field in the to-be-processed data packet, so that the protocol identifier and the analysis rule template are correspondingly stored, and when a power network protocol is newly added, the target field in the to-be-processed data packet is obtained. And only files stored in the memory need to be newly added or modified, so that the flexibility and adaptability of analyzing the novel power network protocol are improved.

A first network device of a first data center may encode a source tenant system interface (TSI) group identifier into a tag protocol identifier and a group-based policy identifier, and may encode the tag protocol identifier and the group-based policy identifier into a virtual extensible local area network (VXLAN) packet with the source TSI group identifier, where the source TSI group identifier is not included in a header of the VXLAN packet. The first network device may provide the VXLAN packet, with the source TSI group identifier, to a second network device of a second data center, via an Ethernet virtual private network (EVPN) multiprotocol label switching (MPLS) network.

The application relates to the technical field of data collection and discloses a multi-protocol extensible data collection system architecture and method of a unified interface standard, which comprises a data source management module, a protocol adaptation module, a data conversion module, a data verification module and an exception detection module, a data quality monitoring module and a warning module and a result output module. The data source management module is used for storing data source configuration information and distributing protocol identifiers. The protocol adaptation module comprises an analysis unit and a matching unit and is used for realizing data format conversion and protocol compatibility verification. The data conversion module is used for generating target data through format conversion and semantic mapping. The data verification module and the exception detection module are used for monitoring data integrity based on an integrity algorithm and threshold comparison. The data quality monitoring module and the warning module are used for evaluating data quality through a consistency model and threshold comparison. The result output module is used for transmitting warning information to a target system. The method comprises the steps of data source configuration, protocol adaptation, data conversion, integrity and quality monitoring and warning and the like. The application improves system expansibility and data reliability and is suitable for multi-scene data collection.

This invention provides a multi-protocol fusion soft bus communication data processing method, relating to data processing technology, comprising: generating a device topology diagram based on a first location; loading corresponding protocol service components and orchestrating them onto the soft bus based on the protocol identifiers of the first devices; splitting the device topology diagram based on the same protocol identifiers of the first devices to obtain protocol sub-topology diagrams corresponding to each protocol identifier, and generating virtual protocol lines corresponding to the protocol sub-topology diagrams and connected to the soft bus; generating a protocol priority strategy based on the user terminal's positioning information of each virtual protocol line and the protocol sub-topology diagram; generating a device priority strategy based on the user terminal's partitioning information of each first device in the protocol sub-topology diagram; obtaining the communication level of each first device based on the protocol priority strategy and the device priority strategy; and updating the protocol service components according to the communication level.

A multi-initialization implementation DXE driver loading system includes a chassis housing an initialization subsystem coupled to a memory system and a storage system. The storage system stores first DXE driver(s) required for a first initialization implementation but not a second initialization implementation and each including a dummy protocol identifier identifying a dummy protocol in its dependency section, and second DXE driver(s) required for both the first and second initialization implementations and each not including the dummy protocol identifier in its dependency section. If the second initialization implementation is enabled, the initialization subsystem does not provide the dummy protocol in the memory system, which prevents it from providing the first DXE driver(s) in the memory system due to a dependency requirement provided by the dummy protocol identifier in their dependency sections not being satisfied, while providing the second DXE driver(s) in the memory system for use in performing an initialization process.

The application relates to the technical field of industrial Ethernet communication, and discloses a safe communication method between programmable logic controllers, a computing device and a storage medium, wherein the method inserts a safe extension header of a fixed protocol identifier after an RTC header of a standard PROFINET data frame, realizes the transparent transmission of a safe field without destroying an original frame format and without modifying old equipment. A session key between devices is dynamically derived from a master key, a clock value synchronized based on a built-in precise clock transmission protocol of the PROFINET and a device hardware ID, double verification is conducted in combination with an encrypted time stamp and a rolling serial number, a replay attack is effectively resisted, and a misjudgment rate caused by network delay is significantly reduced. The scheme realizes seamless compatibility with an existing PROFINET network, dynamically resists a replay attack and a captured replay attack, and provides a solution with high availability and high security for an industrial real-time network.

The application discloses a cross-platform heterogeneous system data docking method based on protocol adaptation and relates to the technical field of data processing. The method comprises the following steps: in response to a data docking request initiated by a source system, analyzing a source-end protocol identifier and a target-end protocol identifier; matching an initial protocol conversion mapping chain from a preset protocol adaptation rule library; performing first protocol field mapping processing on to-be-transmitted data of the source system through the initial protocol conversion mapping chain to generate first intermediate data; collecting a data packet characteristic sequence of the first intermediate data on a transmission link, and dynamically adjusting the initial protocol conversion mapping chain according to the data packet characteristic sequence to obtain an optimized protocol conversion mapping chain; and performing second protocol field mapping processing on the first intermediate data based on the optimized protocol conversion mapping chain to generate docking data flow that can be parsed by a target system. The method can dynamically adapt to a transmission link state and reduce the occupation of transmission resources by redundant fields.

An example method comprises, receiving resource availability values from the plurality of Network Interface Cards (NICs); determining a data path for data packets of a flow transported using a protocol from a source NIC to a destination NIC via a NIC set that comprises at least one NIC, wherein: the plurality of NICs comprises the source NIC, the destination NIC, and the NIC set, and determining the data path comprises selecting the NIC set based on the resource availability values; and transmitting, to the source NIC and to each NIC in the NIC set, data path data to cause the source NIC and each NIC in the NIC set to identify the data packets of the flow using an identifier of the protocol and to transmit the data packets of the flow from the source NIC to the destination NIC via the data path.

A transmitting communication device is provided, and includes a processor and a memory. The memory has computer-executable instructions stored therein, which, when executed by the processor, cause the transmitting communication device to generate at least one layer 2 message frame for delivery to a remote receiving device over an electronic communication network. The generated at least one layer 2 message frame includes a cross protocol payload (XPP). The XPP includes a first protocol identifier identifying a first communication protocol, a first protocol package containing first data content according to the first communication protocol, a second protocol identifier identifying a second communication protocol different from the first communication protocol, and a second protocol package containing second data content according to the second communication protocol.

The invention provides an in-vehicle communication replay attack prevention method and system, and belongs to the technical field of in-vehicle communication security. According to the method, after a vehicle is ignited, each ECU local clock is synchronized through a time service protocol, and clock register write protection is started; before the SecOC module is activated, a hardware encryption module is used for dynamically generating a secret key encryption fresh value bound with a PUF (Physical Unclonable Function) of a receiving end and transmitting the secret key encryption fresh value; the sending end fuses the current fresh value and the multi-bus protocol identifier to generate a time sequence verification code and writes the time sequence verification code into a message; the gateway checks the logical continuity of the time sequence verification code and discards the message exceeding the bus delay threshold value; monitoring attack traffic in real time, switching to a lightweight signature verification algorithm when the attack traffic exceeds a threshold value, and starting a hardware-level repeated message filter to distribute signature verification computing power according to an ASIL security level; the signature verification algorithm is reset continuously when the value is lower than the recovery threshold value, and the filter cache is emptied. According to the method, the fresh value plaintext transmission risk in the vehicle starting stage can be effectively defended, the computing power distribution is dynamically optimized, and the replay attack is prevented.

The invention provides a communication method and device, equipment, a medium and a program product, relates to the technical field of communication, and is used for improving the efficiency of accessing cloud equipment by equipment with a specific technical scheme that the method comprises the following steps: receiving a communication request sent by the equipment with the specific technical scheme; based on the equipment type identifier and the communication protocol identifier, acquiring a communication protocol plug-in matched with the equipment with the body; and based on the analyzed first communication protocol and the first secret key, communicating with the equipment with the body. The method is applied to the scene that the equipment with the body accesses the cloud equipment.

The application provides a virtualized log vulnerability repair method and device, and relates to the technical field of computer security. The method comprises the following steps: in response to detecting that a target process uses a Log4j2 framework, obtaining a process identifier; based on the process identifier, creating an independently running virtual process in user memory through an eBPF module of a kernel, and starting a Java virtual machine and an associated network service in the virtual process; constructing a string containing a JNDI protocol identifier as an attack payload in the target process, which is used to simulate Log4j2 remote vulnerability exploitation behavior; sending the attack payload from the target process to the virtual process, and judging whether the Log4j2 remote vulnerability exists according to the response of the virtual process to the attack payload; if the Log4j2 remote vulnerability exists, mounting the eBPF module to the kernel network driver layer to intercept related network traffic. The application combines memory virtualization with kernel layer traffic interception, and realizes accurate detection and effective repair of the Log4j2 remote vulnerability.

The present application relates to a method for restoring the lighting state of a lamp, a corresponding device, and a medium. The method includes: responding to a snapshot application event of a target lamp device, determining the lamp type of the target lamp device and the communication protocol identifier corresponding to the applied communication link; determining, from a snapshot library, snapshot status data adapted to the communication protocol identifier under the lamp type of the target lamp device; and applying the snapshot status data to the target lamp device through the communication link to control the target lamp device to adjust to the lighting state corresponding to the snapshot status data. Through the snapshot application mechanism, the present application realizes the accurate and rapid restoration of the lighting state of the lamp device, significantly simplifying the user operation process.

The invention belongs to the technical field of cloud computing storage, and particularly relates to a cloud storage resource unified access and management method combining an intelligent gateway and protocol conversion. The method comprises the following steps: firstly, collecting real-time characteristic parameters such as instantaneous available bandwidth and read-write concurrency of cloud storage resources, binding the real-time characteristic parameters with a native protocol identifier, and establishing a two-dimensional index characteristic protocol association library containing an updating mechanism; secondly, the intelligent gateway analyzes the service request, screens target resources through a three-dimensional matching model, and generates a customized conversion rule containing four core modules; and finally, loading the rule to complete protocol conversion, dynamically adjusting transmission parameters, monitoring protocol change in a dual-mode manner and updating the rule, and triggering rollback and alarm if verification fails. According to the method, unified access and dynamic adaptation of multi-protocol cloud storage can be realized, the request and resource adaptation accuracy and transmission stability are improved, the service continuity is guaranteed, and the management efficiency and reliability are optimized.

The present invention discloses a star catalog data retrieval method, device, electronic device, and storage medium. The method is applied to a plan generation node in a database cluster and includes: obtaining retrieval request information, which is determined by a client in response to an information input operation, and includes a sky region division protocol identifier and a retrieval range required for retrieval; obtaining metadata information corresponding to each data storage node from a metadata server node; creating a pseudo-spherical index based on the sky region division protocol identifier, the corresponding protocol, and the retrieval range to obtain a first auxiliary table; generating a query plan based on the first auxiliary table and the metadata information, obtaining retrieval results from the corresponding target data storage nodes based on the query plan, and summarizing the star catalog data corresponding to the retrieval results and feeding them back to the client. This method eliminates the need for users to manually perform UDF extensions outside the database cluster to construct pseudo-spherical indexes, thereby improving the convenience of searching for star catalog data.

The invention relates to the field of computers, and discloses a protocol authorization processing method, which can be applied to various scenes such as cloud technology, artificial intelligence, intelligent traffic, auxiliary driving and the like. The method comprises the following steps: acquiring protocol change prompt information sent by a protocol management end; acquiring a first protocol authorization record comprising the first protocol identifier; based on the first protocol authorization record, determining a first object which agrees to authorize the first protocol at the client of the first client type; requesting protocol information of the first protocol under the target version number from a protocol management end; and the target information for the first protocol is sent to the first client, so that the first object authorizes the first protocol of the target version number at the first client according to the target information, and the changed first protocol is re-authorized in time after the protocol is changed through the service platform. And the cost of carrying out protocol authorization processing again after the protocols suitable for multiple client types are changed is reduced.