137 results about "Source address" patented technology

The application provides a resilient packet ring message forwarding method and device. The method comprises the following steps: receiving a cross-device link aggregation announcement message through a resilient packet ring network; allocating a RPR cross-device link aggregation identifier for a RPR MAC address of a member node carried by the cross-device link aggregation announcement message; receiving an Ethernet unicast message; when a destination MAC address of the received Ethernet unicast message corresponds to a RPR cross-device link aggregation identifier; performing hash calculation according to the Ethernet unicast message, taking a RPR MAC address of a member node corresponding to a result of the hash calculation as a destination RPR MAC address, taking a RPR MAC address of the current node as a source RPR MAC address, and encapsulating the received Ethernet unicast message into a RPR unicast message; and sending the RPR unicast message through an out port of a shortest RPR path reaching the destination RPR MAC address of the RPR unicast message.

Embodiments of the present disclosure relate to the technical field of communications. Disclosed are a communication method and apparatus and a computer readable storage medium. The communication method comprises: sending first information to a second network function, wherein the first information comprises a first processing rule for determining a received data packet; and receiving second information sent by the second network function, wherein the second information comprises a first data packet conforming to the first processing rule or first address information corresponding to the first data packet, and the first address information is used for identifying source address information of the first data packet.

The present disclosure belongs to the technical field of network security, and particularly relates to a network anomaly monitoring method, device and program product based on traffic fingerprint learning, which comprises the following steps: extracting metadata irrelevant to encryption of a target network; the metadata comprises five-tuple, timestamp, length and protocol flag information of a data packet; the metadata is aggregated with a source IP address as a primary key to define a network entity; session feature extraction is performed on a session of the target network entity and other network entities; the extracted session features comprise timing features, operation sequence features and scale distribution features; the operation sequence features comprise Shannon entropy of a continuous request and response type pair; an action fingerprint of the target network entity is constructed according to the session features; and whether the target network and the target network entity are abnormal is judged according to a deviation degree of a current action fingerprint of the target network entity and a fingerprint baseline. The present disclosure can realize accurate identification of network anomalies.

This invention relates to the field of peripheral control technology, specifically to a multi-chip addressing control method, electronic devices, storage media, and program products. The method includes: receiving a control request and generating a command packet containing a source address, a target address, and command data; splitting the command packet and sending it to different target chips under a synchronous control request, and sending the command packet according to the target address under an asynchronous control request; forwarding the command to the master control chip when the slave chip lacks execution capability; executing the command packet when both the master and slave chips receive the same command data; receiving a response packet and determining the responding chip based on the source address, and outputting the control result. This invention enables directional control, collaborative execution, and response differentiation in multi-chip peripherals.

The specification provides a processing method and a routing device for controlling a session, the method comprising: an NPU receiving a first control packet, converting a first source address in the first control packet into a second source address according to a network address translation (NAT) rule, the NPU uploading the first control packet and the second source address to a CPU kernel state, the NPU receiving a second control packet sent by the CPU kernel state, converting a first destination address in the second control packet into a second destination address according to the NAT rule, the NPU uploading the second control packet and the second destination address to the CPU kernel state, and the NPU receiving a takeover notification sent by the CPU kernel state and a control packet converted by a user state to process a session. By the method, the technical problem that the processing logic is limited by the NPU hardware and that the IP can be converted only once in each flow processing and the twice NAT conversion in the NAT hairpin scene cannot be implemented is avoided.

This disclosure provides a controller, address management method, and system for a phase-change memory (PCM). The method includes: determining the address mapping mode of the PCM; if it is a static mapping mode, mapping a first source address to a first destination address based on a preset mapping table; if it is a dynamic mapping mode, matching a corresponding address mapping rule according to a dynamic scenario, and mapping a second source address to a second destination address based on the address mapping rule; if it is a hybrid mapping mode, mapping a third source address to a third destination address based on a preset mapping table, controlling the PCM to perform read operations based on the third destination address; and matching a corresponding address mapping rule according to a dynamic scenario, mapping a fourth source address to a fourth destination address based on the address mapping rule, and controlling the PCM to perform write operations based on the fourth destination address. This application can reduce the read latency of the PCM, improve the write performance and media lifetime of the PCM, and achieve a balance between read and write performance.

This disclosure presents an embodiment of a method and system for address and entity recognition based on a large language model and retrieval enhancement. One specific implementation of the method includes: data processing of an acquired multi-source address dataset and a point-of-interest dataset to generate a candidate entry dataset; performing a mixed retrieval on the acquired unstructured text to be processed based on the candidate entry dataset to generate a retrieval candidate entry dataset; constructing a set of instruction prompts from the unstructured text to be processed and the retrieval candidate entry dataset; inputting the instruction prompt set into a preset entity recognition model to obtain a structured entity recognition result; generating a formatted recognition result based on the structured entity recognition result; and, in response to determining that the formatted recognition result represents a successful verification result, identifying the formatted recognition result as the target entity recognition result. This implementation improves anti-interference capability, reduces dependence on labeled data, and lowers data costs.

Bluetooth channel establishment method, electronic device and system. The system can include a first electronic device, a second electronic device. A first communication channel is established between the first electronic device and the second electronic device. When detecting that a first service occurs, the first electronic device and the second electronic device can exchange their respective Bluetooth addresses through the first communication channel. The first service requires the first electronic device and the second electronic device to establish a Bluetooth communication connection. The first electronic device can send a Bluetooth channel establishment request to the second electronic device according to the received Bluetooth address. The second electronic device can reply to the first electronic device with a Bluetooth channel establishment request acceptance response after determining that the source address in the Bluetooth channel establishment request is the same as the Bluetooth address received through the first communication channel. The first electronic device and the second electronic device can automatically establish a Bluetooth channel, simplifying the user operation in the Bluetooth channel establishment process.

The present application relates to chip design technical field, especially to a kind of copy system and method of copy area, and it is obtained instruction parameter by decoding hardware copy instruction through instruction decoding unit;Splitting subunit responds to the hardware copy instruction after decoding, and the to-be-copied region defined by instruction parameter is split into N linear copy operation, and the independent source address and destination address of each linear copy operation are generated, and are assembled into operation package;Operation package is sequentially written into package cache subunit;Hardware execution unit sequentially reads operation package from package cache subunit, and initiates read operation, and reads copy data from source address and stores into data cache unit;Write processing unit is configured to obtain copy data from data cache unit and initiate write operation and write into destination address;When N linear copy operation is executed, hardware copy instruction completion flag is returned, which reduces the complexity of software and hardware cooperative processing, and significantly improves system performance.

This technology is applied in the field of network security. This invention provides a method and apparatus for defending against SSH brute-force attacks through log analysis. The purpose of this invention is to solve the problem of inefficiency in existing security defense measures when they cannot cope with brute-force attacks. The main solution includes: acquiring security logs and system logs from monitoring devices and providing them to the perception module; acquiring the attacker's source IP address, username, and time; the perception module recording the attack source IP address, username, and time information in memory and performing statistics within a set time period; querying third-party professional threat intelligence to return the attack source IP address attribution information and threat score; the log threat analysis module defining the danger level of the brute-force threat based on the attack source IP address and threat score; and implementing different corresponding response measures based on the risk identification results of the threat analysis module.

This invention relates to the field of communication technology, specifically to a collision detection method and related equipment for ultra-short-range shared medium networks. The method includes: a master node broadcasting downlink messages on a downlink channel, and slave nodes sending uplink messages within a shared uplink contention window; each slave node starting an acknowledgment response timer for each sent uplink message and waiting to receive an acknowledgment message from the master node; the master node performing frame check sequence verification on the received uplink messages, and if a verification error is found, sending a verification error alarm message to the slave node at the corresponding source address; the slave node determining a serious collision when the acknowledgment response timer expires, or determining a collision event when it receives a verification error alarm message; and the slave node executing a backoff strategy based on the collision detection results. This invention enables efficient and reliable collision detection without adding additional hardware receivers, reducing system costs and design complexity, and is suitable for ultra-short-range scenarios such as intra-robot communication.

The application discloses a channel management method, a base station and a computer readable storage medium. The method comprises the following steps: listening to first broadcast data transmitted through an initial channel, wherein the initial channel is a historical channel determined by a first base station and a first self-moving device in a pair; determining whether the first broadcast data is sent by a second base station other than the first base station in a communication system according to a source address of the first broadcast data; and determining that the initial channel is in conflict if the first broadcast data is sent by the second base station. The method can realize the communication between the base station and the self-moving device in the pair through the broadcast mode, can listen to whether there is broadcast data sent by other base stations other than the first base station on the initial channel, and can determine that the initial channel is in conflict if there is the broadcast data. The detection process is simple, the initial channel does not need to be actually occupied, the base station does not need to be set to the acceptance mode and the standby mode, and the interference on the communication between other base stations and the self-moving device can be effectively reduced.

Embodiments of the present application provide a network attack detection method, device and equipment and medium, the method determines the first time when the request to be detected is received, and the source IP address corresponding to the request to be detected, obtains the historical request of the source IP address received in the target time period of a preset time length before the first time, determines the first statistical value of at least one statistical parameter of the source IP address according to the obtained historical request and the request to be detected, determines whether the request to be detected is an abnormal request according to the determined first statistical value and the second statistical value of the at least one statistical parameter corresponding to the historical time period which is the same as the target time period, and the second statistical value corresponding to the historical time period which is the same as the target time period of receiving the request to be detected is used as the threshold value for detecting the request to be detected. The threshold value can be dynamically determined, avoiding the problem of high requirement for manual experience, and effectively improving the accuracy of network attack detection.

Aspects of the disclosure relate to a multipoint environment that enables a station (STA) to communicate with multiple access points (APs) and an AP to communicate with multiple STAs in a single wireless protocol stack. For example, a STA can authenticate simultaneously with multiple APs and decode any data packet that includes in a header a destination address that matches an address of the STA, irrespective of the source address included in the header of the data packet. Similarly, an AP can decode any data packet that includes in a header a destination address that matches an address of the AP or that matches a wildcard address associated with the AP, irrespective of the source address included in the header of the data packet.

This enables rapid time correction, preventing the time difference between the source and destination from widening. [Solution] The communication device sends and receives control messages with the source communication device to obtain the average delay time during communication. Based on statistical information of multiple average delay times obtained through multiple transmissions and receptions of control messages, it sets a threshold time range for the average delay time. If the most recently obtained average delay time is within the threshold time range, the communication device corrects its own time based on the time difference between the most recently obtained average delay time and the time of the source communication device to synchronize with the time of the source communication device.

The application relates to a message forwarding method and device, computer equipment, a readable storage medium and a program product, and relates to the field of message processing. The method comprises the following steps: when a first object sends a request message to a second object, source address information of the request message is acquired; the source address information is subjected to hash processing to obtain a first hash value of the source address information; a first memory core matched with the first hash value is screened out from a plurality of first candidate memory cores used for message processing of the request message; the request message is subjected to message processing through the first memory core to obtain a first target message, and the first target message is forwarded to the second object. The method can improve the message forwarding efficiency.

This disclosure provides an arithmetic unit and a matrix transposition and operation fusion execution method. The arithmetic unit includes a scheduler, a register, a transposition unit, and an execution unit. The transposition unit is located between the register and the execution unit. The scheduler receives a matrix transposition and operation fusion instruction, which includes a first source address, a first destination address, an identifier for the transposition operation, and an identifier for the first operation. The scheduler loads a first source matrix from external main memory into the register according to the first source address. The transposition unit retrieves the first source matrix from the register and transposes it into a transposed matrix. The execution unit performs the first operation on the transposed matrix, stores the result in the register according to the first destination address, and the scheduler loads the result into main memory. This disclosure improves the efficiency of the matrix transposition and operation fusion process.

The application discloses a fast rule matching method and device for flow analysis, and the method comprises the following steps: obtaining the corresponding code of each IP network segment according to the IP network segment in the address group in the rule set; determining the code set corresponding to each IP network segment according to the mask length of the IP network segment and the containing relationship between the network segments; storing all the code sets into a memory area to obtain the mapping relationship between the IP network segment and the memory offset; constructing a longest prefix matching (LPM) table; in response to the received flow information, querying the LPM table for the source IP address and the destination IP address of the flow information respectively to obtain the memory offset; reading the memory area indicated by the memory offset to obtain the code set matched by the source IP address and the destination IP address respectively; and determining the rule in the rule set matched by the flow information according to the code set. The application can accurately classify the data packet into the corresponding rule, avoid the wrong classification of the data packet, improve the accuracy and effectiveness of the network data processing, and further improve the network management and operation efficiency.

This application provides a data forwarding method, storage medium, and program product, relating to the field of communication network technology, and applied to network access devices to improve the stability of data transmission. The method includes: upon receiving a service message from a target user, encapsulating the service message through a first virtual interface to obtain a tunnel message; wherein the header of the tunnel message includes source address information and destination address information; the source address information is determined based on the address information of the tunnel endpoint of the network access device, and the destination address information is determined based on the address information of the tunnel endpoint of the target user plane device, where the target user plane device is the user plane device corresponding to the target user; a second virtual interface is set in the target user plane device as the tunnel endpoint. The tunnel message is transmitted through a target transmission tunnel; wherein the target transmission tunnel is a transmission tunnel between the tunnel endpoint in the network access device and the tunnel endpoint of the target user plane device.

This invention provides a method and system for detecting and visualizing cross-border data transmission. The method includes: parsing an input network data source to extract all contained IP addresses; querying the location information of the extracted IP addresses and, based on preset location rules, filtering out cross-border IP addresses from the extracted IP addresses; based on the filtered cross-border IP addresses, extracting data units from the network data source whose source or destination IP address contains any cross-border IP address, and saving the data units as independent cross-border data transmission record files; constructing a topology diagram reflecting the communication relationship between domestic and cross-border entities based on the data flow information in the network data source and the cross-border IP addresses, and then visualizing and interacting with the diagram. This method, by integrating automated IP location determination, intelligent cross-border data segmentation, and interactive topology visualization, effectively overcomes the shortcomings of traditional manual analysis methods and achieves significant technological progress.

The embodiment of the application discloses a stateless domain name resolution session keeping method and system based on a hash algorithm, receives a domain name resolution request initiated by a client, wherein the domain name resolution request contains a source LDNS address and a domain name to be resolved; performs network segment convergence processing on the source LDNS address according to a preset CIDR value to obtain a converged address value; performs first hash calculation on the converged address value to determine a target global address pool from a schedulable global address pool; performs second hash calculation to determine a target pool member from available pool members of the target global address pool; and returns an IP address of the pool member to the client as a resolution result. The application does not store any session keeping record, does not need to synchronize any state information among cluster nodes, keeps the resolution result of the same LDNS for the same domain name fixed through a deterministic hash algorithm, and has the advantages of low memory occupation, high search efficiency, accurate resolution result and simple implementation.

This disclosure discloses an ultra-low latency switching device and a method for controlling forwarding actions thereon. In this method, the source MAC address and source IP address of the incoming packets arriving at the internal port are used to update the exception forwarding address mapping table; wherein, the direct-connection port of the internal port is mapped to the external forwarding port of the ultra-low latency switch; the Ethernet header of the outgoing packets arriving at the internal port is cached according to the specified number of cache bytes for the outgoing direction of the internal port; based on the specified IP address in the exception forwarding action access control ACL entry of the internal port, the mapped MAC address of the specified IP address is found in the exception forwarding address mapping table; the destination MAC address of the cached outgoing packet's Ethernet header is determined as the mapped MAC address; and the outgoing packets are processed based on the exception forwarding action ACL entry.

One or more embodiments of the present disclosure provide an access control method, an access credential generation method, and an access control system, capable of being applied to a cloud platform. Specifically, an internal trusted network range of a platform corresponding to a target account can be acquired to generate an address whitelist for the target account; and an access credential is generated for the target account on the basis of the address whitelist. A cloud platform gateway receives an access request sent by the target account, and then extracts the address whitelist of the target account from the access credential carried in the access request; and in response to a source address of the access request not matching the address whitelist, the cloud platform gateway determines that the access request does not pass address authentication, and intercepts the access request. The solution can effectively prevent an attacker from accessing a cloud platform via an unauthorized network after the leakage of an access credential, thereby improving the security of the cloud platform, and achieving platform-level access credential security management.

The application discloses a message sending method, an electronic device, a storage medium and a program product, and belongs to the technical field of Internet. The message sending method is applied to a forwarding device and includes the following steps: in response to the fact that the egress of a cache queue is congested, a notification message indicating the congestion is generated, wherein the outer source four-layer port number of a virtual extensible local area network (VXLAN) encapsulation message in the cache queue is carried in the notification message; and the notification message is sent to a target tunnel endpoint device, wherein the notification message is used to instruct the target tunnel endpoint device to send a congestion notification message to a source end server of a target flow corresponding to the VXLAN encapsulation message, and the target tunnel endpoint device is a tunnel endpoint device corresponding to the outer source address of the VXLAN encapsulation message.

This application provides an input source switching method, apparatus, universal redundant power supply, and server. The method includes: acquiring a power switching signal, wherein the power switching signal represents the level state of a target signal in the universal redundant power supply; the target signal corresponds to a bit in the power address bits that is multiplexed to trigger an input source switching action, and the power address bits are the address bits of an address setting pin in the universal redundant power supply; the level state is used to instruct the universal redundant power supply to select an input source; and switching the input source of the universal redundant power supply according to the power switching signal. This method is used to implement input source switching of a universal redundant power supply.

The application belongs to the technical field of unmanned aerial vehicle communication, and particularly relates to an unmanned aerial vehicle communication system based on IPv6 multi-homing and multi-path transmission. The system configures independent IPv6 addresses for multiple heterogeneous links of the unmanned aerial vehicle, establishes a binding relationship between the links and the addresses, and generates a service session identifier; address-level state vectors are generated by periodically collecting link state parameters and associating the link state parameters with the IPv6 addresses; the available IPv6 addresses are comprehensively scored based on the state vectors, and the sending proportion of each address is determined according to the service category, so that data fragments are bound to different IPv6 source addresses and sent in parallel; when the link deteriorates, address-level degradation and rapid traffic switching are performed without changing the session identifier; the receiving end uniformly recombines the fragments from the multiple addresses according to the session identifier and the fragment sequence number, and delivers the fragments to the upper layer application. The application improves the communication throughput, stability and continuity of the unmanned aerial vehicle in a multi-link environment.

The Computationally Efficient Transfer Processing, Auditing, and Search Apparatuses, Mechanisms, Mediums, Processes and Systems (“SOCOACT”) transforms transfer of assets (TOA) initiation request, brokerage order request, blockchain transaction request, agency action request, borrow transaction request, contract deployment request, transaction signing request, key backup request, key recovery request datastructure / inputs via SOCOACT components into TOA confirm., brokerage order confirm., transaction confirm., agency action notif., borrow transaction init notification, borrow transaction sync notification, contract deployment response, transaction signing resp., key backup resp., key recovery resp. datastructure / outputs. A plurality of transaction record datastructures is received. Transaction amount availability is verified. The transaction record datastructure is cryptographically recorded in a blockchain. Received source address and destination address are hashed. A list representation of the matrix datastructure is generated, where each entry in the list comprises a tuple having the source wallet address, the destination wallet address, the transaction amount and the timestamp.

The application relates to the technical field of Internet communication, and discloses a data transmission method, a system and a storage medium, and the method applied to a public network device comprises the following steps: receiving a data request forwarded by a network address translation device through a first port; the first port is a data transmission port bound by an extensible virtual local area network tunnel between a private network device and the public network device, the destination port and the source port of the tunnel have the same port number; converting the source port of the data request into the first port, and obtaining data stream tracking information of the data request; converting a destination port of a response message into a second port according to a reverse source address translation rule and the data stream tracking information of the data request, and transmitting the response message to the network address translation device, so that the network address translation device forwards the response message to the private network device which initiates the data request; wherein the second port is a port used by the network address translation device to forward the data request to the public network device. The VXLAN message can simply and efficiently pass through the NAT device.