149 results about "Address resolution" patented technology

The invention discloses a mixed data encryption method and system based on multiple algorithm cores, and the method comprises the steps: receiving a mixed encryption request based on a first preset path, carrying out the encryption type analysis and data address analysis of the mixed encryption request, and determining a plurality of target encryption algorithm cores corresponding to an encryption type analysis result; sending a starting instruction to a plurality of target encryption algorithm cores based on a second preset path, and determining a multi-core encryption strategy corresponding to the hybrid encryption request; acquiring to-be-encrypted data based on a first preset path, a first preset data handling engine and the data address resolution result, and calling a plurality of target encryption algorithm cores to perform hybrid encryption processing on the to-be-encrypted data according to a multi-core encryption strategy to obtain a hybrid data encryption result, the delay of data encryption can be reduced, and the flexibility of a data encryption mode and the security of an encryption result can be improved.

The invention relates to the technical field of data acquisition, and discloses a PCIe-based DMA data zero copy processing method and system. The method is applied to a zero copy processing system, and comprises a HOST module for distributing a physical DMA buffer area and mapping a physical address of the DMA buffer area to a logically continuous virtual address space; the HOST module is used for constructing a preset descriptor queue and sending a head address of the queue to the FPGA module; the FPGA module receives the initial address of the queue through a PCIe interface, analyzes a descriptor, and writes DMA data with a preset transmission length into a sub DMA buffer area of the HOST module; and the HOST module monitors the state of the DMA buffer area and adopts a dynamic flow control mechanism to adjust the data transmission rate of the FPGA module according to the state. According to the method provided by the embodiment of the invention, the physical DMA buffer area is mapped to the logically continuous virtual address space, and the application program can directly access the DMA data in the user space without copying through the middle of a kernel, so that zero-copy access is realized, the data processing delay is reduced, and the data transmission efficiency is improved.

Disclosed are systems, apparatuses, methods, and computer-readable media for zero-trust IP address resolution in cloud services. A method includes: receiving, at an egress node of a network, a network request from a client device within the network, the network request including a first domain name and a first IP address; in response to receiving the network request, resolving a second IP address based on the first domain name; and inserting the second IP address into the network request in place of the first IP address.

The invention relates to the field of geographic information mutual analysis, and discloses a multi-source dynamic collaborative geographic information mutual analysis method and device, equipment and a medium. The method comprises the following steps: collecting time-synchronized static geographic information, dynamic GPS positioning data and a plurality of pairs of starting and ending point unstructured text data sets, and constructing a dynamic spatio-temporal data pool; high-quality spatio-temporal data is obtained through dual anomaly verification and Kalman filtering cleaning correction; optimizing an address longitude and latitude mapping table in combination with a three-level administrative range and a dynamic high-frequency word; a non-standard address is analyzed into a structured text through a BERT-CRF model, and a precise coordinate and a standardized text are obtained through a hierarchical dynamic matching algorithm. By adopting the method, meter-scale positioning is realized, the non-standard address resolution accuracy is greatly improved, the duplicate name address mismatching rate is reduced, a dynamic scene is adapted, the resolution efficiency and reliability are considered, and an efficient technical support is provided for bidirectional accurate mutual resolution of geographic coordinates and text addresses.

The invention relates to a geocoding calculation method and device based on big data, and the method comprises the steps: carrying out the structural conversation of an address through a simplified classification system (11 types of core elements), optimizing an address analysis process, carrying out the forward prediction through a geocoding technology, completing the reverse verification through a reverse geocoding technology, and improving the reliability of an analysis result; carrying out clustering analysis on address coordinates by utilizing an aggregation algorithm, and enhancing the capturing capability of spatial distribution characteristics; abnormal data which does not conform to geographical boundary conditions are eliminated through address fence filtering, and the data quality is improved; a modular device is constructed and comprises an address structuring module, a forward and reverse address matching module, an aggregation grouping module, an address fence filtering module and a screening module, and full-process automatic processing is achieved. The method not only improves the precision and efficiency, but also reduces the system complexity, provides a feasible technical path for the acquisition of high-reliability and high-precision spatial data, and has a wide application prospect.

According to the PCIe Switch system and the PCIe switch, a PCIe hardware IP is used as a bottom layer, and a basic PCIe interface function for physical layer and link layer management is provided; and identifying and configuring all connected devices to construct a device address routing mapping table through a Soft Switch IP mounted on the PCIe hardware IP, and determining a specific target of data transmission based on the constructed mapping table so as to route the data to a specific position of the corresponding device. According to the invention, flexible equipment enumeration can be carried out by selecting a pure hardware mode or a software and hardware combined mode according to actual requirements, so that the data can be correctly and efficiently transmitted to the target endpoint from the source equipment, and the complex problems of address resolution and routing management are solved. Compared with the prior art, the method can replace the existing PCIe Switch IP of a manufacturer, provides higher flexibility and expansibility, obtains better balance in the aspect of cost control, and is suitable for various applications needing large-scale PCIe equipment connection, virtualization and high-speed data exchange.

The invention discloses an address resolution method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining a to-be-analyzed address, and analyzing the to-be-analyzed address based on a word tree in an eight-level address library to obtain a target word; the word tree is used for describing the relationship between words and words in the eight-level address; the target words are connected in series according to the positions of the target words in the to-be-analyzed addresses, and an eight-level address sequence corresponding to at least one to-be-analyzed address is formed; and determining target sequence weights of the eight-level address sequences, and taking the eight-level address sequence with the highest target sequence weight as a target eight-level address corresponding to the to-be-analyzed address. According to the embodiment of the invention, accurate and efficient address resolution is realized.

The invention provides a process exception processing method, which comprises the following steps: after determining that an exceptional thread exists in a target process, executing a stack grabbing operation on the exceptional thread to obtain thread stack information corresponding to the exceptional thread; calling a first processing thread to perform address analysis on the thread stack information to obtain address information of the function stored in a memory; calling a second processing thread to perform cross-process analysis on address information, stored in the memory, of the function to obtain attribute information of the function and a function calling hierarchical relationship; and sending the attribute information of the function and the function calling hierarchical relationship to a server, so that the server locates the abnormal code according to the attribute information of the function and the function calling hierarchical relationship. Through the lightweight thread-level stack grabbing operation, the interference to other parts of the system is reduced, the stability and reliability of the system are improved, and the state of the abnormal thread is accurately captured under the condition that the system performance is not obviously influenced, so that information is provided for subsequent fault diagnosis and repair.

The invention discloses a data processing method and device based on an address resolution message, a computer readable medium, electronic equipment and a computer program product. A specific embodiment of the method comprises the following steps: according to a destination network address of an address resolution message received by a first gateway device, determining whether a link aggregation group where the first gateway device is located comprises a second gateway device which needs to receive the address resolution message, the link aggregation group comprises a plurality of gateway devices which are connected with the same network terminal device; in response to the determination, according to parameter configuration data of a second gateway device in a gateway mutual assistance protocol, the address resolution message is packaged to obtain a first packaging message, and the gateway mutual assistance protocol comprises respective parameter configuration data of a plurality of gateway devices in the link aggregation group; and the first packaging message is sent to the second gateway equipment, so that the second gateway equipment updates state data of a first interface according to the first packaging message, and the first interface is an interface for sending the address resolution message on the network terminal equipment. According to the invention, by modifying the communication mechanism of the gateway device, on the basis of ensuring the state data synchronization, extra performance overhead and bandwidth loss brought to the network terminal device are avoided.

A memory management method is provided. The method includes a memory allocation stage and an address resolution stage. The memory allocation stage includes receiving a memory allocation request from the application program, allocating a buffer with the specified size in the memory in response to the memory allocation request, and generating a buffer pointer for the buffer, and return the buffer pointer to the application program. The buffer is a device buffer is allocated for one or more accelerator devices, or a CPU buffer allocated for a CPU. The address resolution stage includes receiving a memory access request from the application program, determining whether the search pointer corresponds to the device buffer or the CPU buffer based on the buffer pointer and the specified size, allowing access to the corresponding device buffer or CPU buffer.

The invention discloses a delivery point calculation method based on three-segment-code area refinement and application thereof, and relates to the technical field of logistics automatic sorting, and the method comprises the steps: collecting three-segment-code area data of each salesman, and determining a preliminary delivery point division standard of an area in charge of the salesman based on the three-segment-code area data; calculating delivery point identification information corresponding to each delivery address by using an address model algorithm through matching of the delivery address provided by a client and a delivery point geographic fence; when the electronic waybill is generated, the identification information of the delivery points is printed on the electronic waybill according to a calculation result, and a sorter sorts and aggregates parcels according to the identification information of the delivery points on the electronic waybill; according to the method, through an intelligent address analysis model, in combination with historical delivery data and address keyword matching, the matching precision of complex addresses is further improved, and automatic calculation of delivery points is realized.

One embodiment of the present invention facilitates address resolution protocol (ARP) resolution in an extended subnet. A gateway of a first segment of the extended subnet can determine that a layer-2 address corresponding to a layer-3 destination address of a packet is locally unavailable. The gateway can then determine whether a respective egress interface of an ARP request for the layer-3 destination address is associated with a layer-2 subnet extension from the first segment to a second segment of the extended subnet. The extension can provide a common layer-2 broadcast domain comprising the first and second segments with a same default gateway layer-3 address. If the egress interface is associated with the extension, the gateway can insert a layer-3 address of a first endpoint associated with the extension as a source protocol address in the ARP request. The gateway can send the modified ARP request via the egress interface.

The invention provides a method for allocating waybills by utilizing an address resolution system, which comprises the following steps of: resolving an original address provided by a client into a CPS (Central Processing System) of the address by utilizing the address resolution system, and optimizing the original address; according to the analyzed CPS, the parcel weight and the business attribute, automatically matching an express carrier; if the order is sent by the third party, modifying the original address of the order placed by the client into an address conforming to the calling method of the third party; and if self delivery is carried out, the address coordinates are analyzed, whether the address coordinates fall in an existing address fence or not is judged, if yes, the transfer bin to which the address coordinates belong is further analyzed, and if not, manual intervention processing is carried out.

Network interfaces and associated methods are provided to dynamically determine locally unique MAC addresses. A network node may include a network interface coupled to a host device, the network interface being configured to: broadcast a local claim message to all other nodes on a communications medium, the local claim message specifying a MAC address selected by the network interface; compare a transmit time of the local claim message to a transmit time of any remote claim message specifying the MAC address that is received before a predetermined interval has elapsed; and respond to any remote claim message specifying the MAC address that is received after the predetermined interval has elapsed by broadcasting an assert message specifying the MAC address.

The invention provides a geographic coding-based investment attraction map drawing method, system and device and a medium, and belongs to the technical field of map drawing, the method comprises the following steps: establishing an enterprise library for an investment attraction area, and carrying out geographic coding on an enterprise address in enterprise information in the enterprise library to obtain an enterprise geographic coordinate; performing address analysis and aggregation on enterprise addresses in the enterprise information to obtain administrative division codes of each level of a region to which an enterprise belongs; performing enterprise information summarization of each level on the administrative division code of each level of the investment attraction area, and storing a summarizing result; and in response to the hierarchical display request of the user, rendering the enterprise information summarized at the corresponding hierarchy for the investment attraction map, and in response to the enterprise display request of the user under the lowest hierarchical display request, performing enterprise position rendering according to the enterprise geographic coordinates. According to the method, through automatic address coordinate conversion and map drawing, the drawing efficiency of the investment attraction map is improved, and the accuracy of the enterprise position is ensured by utilizing the geocoding service.

The present invention discloses an Internet of Things data acquisition system based on distributed digital identities, comprising: a management system, a receiving end, a collection end, and a distributed identity infrastructure. Among them, the management system, the receiving end, and the collection end are all registered with digital identity IDs in the distributed identity infrastructure. Specifically: The management system manages all Internet of Things devices, authorizes the receiving end according to the user's request, and dispenses and manages the collection end; The receiving end is controlled by the user and is used to receive the data collected by the Internet of Things; The collection end is a specific Internet of Things device that completes data collection; The distributed digital identity infrastructure provides functions related to address resolution, data uploading to the chain, and public key storage in distributed digital identity management; The present invention also discloses a method for Internet of Things data acquisition based on distributed digital identities. The present invention can effectively solve the problems of data security transmission, data sharing, and authentication management in Internet of Things data acquisition.

The invention discloses an unmanned aerial vehicle emergency service space positioning method and system fusing a multi-mode semantic model and address resolution. The method comprises the following steps: acquiring disaster related data of a determined territorial range; performing audio extraction on the network short video data, and converting the network short video data into audio text data; audio text data are integrated into short video titles, place name keywords are extracted, POI point names are aligned, word frequencies and event types are counted, and batch collection of address coordinate data and coordinate system conversion are carried out; the satellite map data is identified, land classification is carried out, and town built-up area boundaries are integrated and drawn; performing spatial positioning on point-shaped, linear and planar place names, determining task allocation and paths, and controlling the unmanned aerial vehicle to execute tasks; and feeding an aerial image of the unmanned aerial vehicle back to the cloud platform for mapping, and generating a refined dynamic disaster map. According to the invention, the urban lifeline anti-rescue system is helped to quickly determine the specific position of the victim and delimit the emergency service space and task type of the unmanned aerial vehicle, so that targeted response is realized, a real-time disaster map is provided, and the ability of the urban lifeline system to deal with sudden disasters is enhanced.

The invention provides a device address security addressing verification method and system based on a password identifier, and relates to the technical field of power system network security, the method is applied to a receiving device, and the method comprises the following steps: receiving an ARP security message from a sending device; querying a public key corresponding to the sending equipment address from a trusted database of the electric power communication system; a mapping relationship between the password identifier of the sending device and the address of the sending device is stored in the trusted database; the password identifier is generated based on a hardware unique feature of the sending device; verifying the ARP security message by using a public key corresponding to the address of the sending device; and if the verification is passed, updating the local ARP cache table based on the sending device address. By establishing a strong binding relationship between the unique hardware feature of the sending equipment and the password identifier, the equipment identity is ensured to be unique and cannot be tampered, the credibility of an address resolution process is ensured through an ARP security message, attack behaviors such as address cheating and illegal access are blocked, and the reliability of equipment addressing verification is improved.

System and method for securing and resolving the IP address is disclosed. The method includes modifying an SSL certificate. Modifying the SSL certificate includes receiving one or more IP addresses, registering the SSL certificate for the received IP addresses, embedding the SSL certificate with the IP addresses, validating an embedded SSL certificate with the IP addresses, storing a validated SSL certificate. The method also includes resolving the IP addresses of the domain. Resolving the IP addresses includes receiving a query, translating the query received by the client, encrypting a translated query and transmitting an encrypted query. The method also includes integrating one or more service providers on the platform. Integrating one or more service providers includes registering the one or more service providers, sharing the database comprising the validated SSL certificate with the one or more service providers on the platform for resolving the IP addresses.

The invention relates to an ESI dual-homing link switching method, system and device and a medium, and relates to the field of communication. The method comprises the following steps: initiating an address resolution request to a site under the condition of receiving host routing revocation information for the site sent by a second access device; if an address resolution reply of the site is received under the condition that the preset time threshold is not exceeded, generating a host route for the site according to the address resolution reply and notifying the host route to the second access device and the third access device to realize link switching; wherein the third access equipment comprises equipment except the first access equipment and the second access equipment in an Ethernet virtual private EVPN (Ethernet Virtual Private Network) in which the first access equipment is located. By adopting the method, rapid switching of links can be realized.

The application discloses a kind of based on ecological environmental protection supervision big language model address resolution and geographic coding acquisition method and system.For the fuzzy, non-standard and positioning difficult problems of environmental supervision letter and visit complaint address description, the method first uses big language model to parse the original text into structured address, and cooperates multi-level fault tolerance mechanism to ensure the reliability of parsing result.In the matching stage, the system adopts local priority strategy, and preferentially searches the environmental special position database containing key polluting units and other information;If the initial matching is not hit, the self-defined part-of-speech tag segmentation technology is used to accurately extract the core environmental entities such as pollution outlet and water source protection area for secondary matching.To ensure accurate positioning, the system verifies by semantic similarity and geographical distance, to prevent errors caused by the same name in different places.When local matching fails, the system automatically accesses the network query, and uses big language model to simplify the redundant description and retry, forming a closed-loop error correction mechanism.The application significantly improves the accuracy and efficiency of pollution source positioning, protects data privacy, and provides strong technical support for environmental law enforcement personnel to achieve accurate positioning, rapid verification and scientific division of responsibility area.

The invention provides an IPv6 conversion processing method and device, equipment, a medium and a product, and the method comprises the steps: obtaining an original access request sent by a user, parsing a source station domain name requested to be accessed by the original access request into an IPv6 address, and obtaining a target access request after the parsing; sending the target access request to a proxy server matched with the user through an intelligent load balancing server, so that the proxy server forwards the target access request to an IPv4 address of a source station; and obtaining response content fed back by the source station, and forwarding the response content to the user.

The present invention relates to the field of computer technology, and specifically provides a statistical method for process file page cache based on a BCC tool, comprising starting to monitor the memory distribution of a Linux system; judging whether a process that needs to monitor the file page cache is mapped, and if not, continuing to monitor other memory items; if so, the add_to_page_cache_lru kernel function is called, using the BCC tool, monitoring the calling process of the add_to_page_cache_lru kernel function based on the kprobes plugging technology, obtaining the address of the address_space structure through parameters; parsing the address_space structure, finding the inode number and the nr_pages member; and calculating the file page cache size through nr_pages*PAGE_SIZE. Through the above scheme, the technical problem of lack of monitoring of non-fixed file page cache is solved.

The method for address verification preferably includes: receiving an unverified address; parsing the unverified address into address elements; determining a candidate address set based on the address elements; determining an address comparison set from the verified address database; selecting an intended address from the address comparison set; optionally facilitating use of the intended address; and optionally determining and providing a call to action based on the intended address.

The present disclosure provides an IPv6 conversion processing method, device, equipment, medium and product, wherein the method comprises: obtaining an original access request sent by a user, and resolving a source station domain name requested by the original access request into an IPv6 address to obtain a target access request after resolution; sending the target access request to a proxy server matched with the user through an intelligent load balancing server, so that the proxy server forwards the target access request to an IPv4 address of a source station; and obtaining response content fed back by the source station, and forwarding the response content to the user.

The invention provides an automatic reading system for a main control chip of a solid state disk, a using method, a device and a medium, and belongs to the technical field of main control chips of solid state disks. And the host sends a read command to the main control chip, and the command acquisition module receives and analyzes the read command, acquires the transmission data volume and the memory address of the host, and stores reply information at the same time. And the system judges whether the memory address has offset and whether the data volume exceeds the limit, and if conditions are met, memory address list information is acquired. The memory address analysis module splits addresses according to logic, and each logic block address corresponds to one list unit. And the read-write cache management module searches whether the cache is hit or not, if yes, a cache serial number and a mark are returned, otherwise, cache reading is applied, and a logic address is converted into a physical address. And the direct memory access module starts transmission after configuring related information, and replies to the host according to the stored information after completion. According to the invention, the data can be directly read from the flash memory to the host memory, the reading performance is obviously improved, and the reading delay is reduced.

Embodiments of the present application provide an address resolution method, an electronic device and a storage medium, load electronic fence information, the electronic fence information includes province electronic fence information, city electronic fence information and district electronic fence information; obtain a resolution request, the resolution request includes the position information of a vehicle, judge whether the vehicle has cached the last province city district information; if the vehicle caches the last province city district information, load the last district electronic fence information, and take the district electronic fence information as an address; if the vehicle does not cache the last province city district information, load the electronic fence information of the vehicle sales area, and take the electronic fence information of the vehicle sales area as an address, the present application can efficiently and accurately convert GPS reverse address into province city district, so as to achieve the purpose of real-time and rapid resolution; update the national administrative area adjustment information synchronously, improve the accuracy and reliability of resolution.

The application relates to the technical field of data processing, and specifically discloses an address data intelligent identification system based on cloud cooperation, which collects original address data from multiple terminals and forms a data stream, carries out time-dimension value decay simulation and content-dimension semantic dispersion analysis on each terminal data, respectively generates time sequence urgency and content credibility characteristic values, then maps the two to a unified space for correlation calibration, constructs a dynamic cooperation coefficient, and based on the coefficient, performs differentiated asynchronous scheduling on the data stream in the cloud: high-coefficient data immediately triggers an identification core update, and low-coefficient data is buffered and iteratively purified; the differentiated results are integrated, a mainstream change direction is identified by using density-based clustering, address resolution rules are adaptively corrected, and finally, the optimized rules are applied to output structured addresses; the method effectively unifies the real-time performance and robustness of cooperative processing, and significantly improves the accuracy and efficiency of address identification in complex scenarios.

The invention relates to the technical field of embedded devices, network connection and the like, and provides a method for detecting the network connection state of an embedded device and the embedded device. An address resolution function is called through a domain name to obtain available IPv4 or IPv6 address information of a target host; the method comprises the steps of obtaining available address information of a target host, creating a socket for each piece of obtained available address information, setting the socket to be in a non-blocking mode, performing TCP connection attempt on target ports corresponding to all the available address information of the target host in the non-blocking mode, monitoring a writable state, an error state and an overtime state of the socket through a select function so as to judge whether connection succeeds or not, and if yes, executing the TCP connection attempt on the target ports corresponding to all the available address information of the target host. After TCP connection attempts of addresses in all available address information are completed, all available address information is released, sockets are closed, and a connection detection result is returned according to whether successfully connected addresses exist or not, so that detection universality and lightweight data processing are realized, the method is suitable for various network services, and high efficiency and reliability are ensured.