122 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.

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 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.

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.

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 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 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.

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 discloses a data encryption method and system based on heterogeneous computing resources, and the method comprises the steps: carrying out the encryption type analysis and request address analysis of a to-be-encrypted request, and determining a target encryption algorithm core corresponding to an encryption type analysis result; transmitting to-be-encrypted data corresponding to the to-be-encrypted request to a target encryption algorithm core based on a preset data handling engine and the request address resolution result, and calling the target encryption algorithm core to encrypt the to-be-encrypted data; the occupation states of the multiple preset sending cache units are polled, the encryption processing result is cached to the target preset sending cache unit in the idle state so as to be used for carrying out encryption feedback on the encryption processing result, and the accuracy of the data encryption processing result, the flexibility of computing resource scheduling and the efficiency of data encryption can be improved.

The embodiment of the invention provides an address identification method and device, equipment, a medium and a product, and belongs to the technical field of data processing. The method comprises the following steps: performing address resolution on a target voice recognition result to obtain an address resolution result of the target voice recognition result; different address slots correspond to administrative addresses of different administrative levels; according to a preset sequence, performing target operation on the plurality of address slots in sequence to obtain standard address characters corresponding to the plurality of address slots respectively; the target operation comprises the steps that address matching is carried out according to feature information corresponding to the address slot positions, standard address characters corresponding to the address slot positions are determined, and the preset sequence is determined according to the filtering capacity of each address slot position on irrelevant data in the address matching process; and performing error correction on the initial address character corresponding to each address slot according to the standard address character corresponding to each address slot to obtain a target address character corresponding to each address slot. According to the embodiment of the invention, the address identification efficiency can be improved.

The present application relates to the field of geographic information systems and address resolution technology, and in particular to a method for obtaining the geographic coordinates of image boundaries and building boundaries, the method comprising: segmenting an input address input by a user and a storage address corresponding to the input address in an address database respectively; obtaining a plurality of input sub-addresses and an input vectorized sub-address corresponding to each input sub-address; obtaining a plurality of storage sub-addresses and a storage vectorized sub-address corresponding to each storage sub-address; obtaining a target address based on a matching result of each input sub-address and a storage sub-address corresponding to the input sub-address, as well as the input vectorized sub-address and the storage vectorized sub-address; obtaining a target image including the target address according to the target address, and determining the target address boundary geographic coordinates of the target address and the building boundary geographic coordinates in the target image according to the pixel coordinates of the target image.

Ensure that devices connected to the LAN can be reliably accessed using their hostnames. [Solution] The hostnames and MAC addresses of devices connected to LAN2 are associated and registered in the device information file 104. When a request for confirmation of duplicate IP addresses (GARP, DAD-NS) is received, the address information collection unit 112 functions and updates the address information file 105 by associating the IP addresses and MAC addresses contained therein. When a destination resolution request (mDNS) including a hostname is received, the name resolution unit 113 functions, identifies the MAC address by referring to the device information file 104 from the hostname, and identifies the IP address by referring to the address information file 105 from the identified MAC address. The resolution result provision unit 114 notifies the sender of the destination resolution request (mDNS) of this identified IP address.

The invention discloses a multi-level cache implementation method and system suitable for nonvolatile storage data, and relates to the technical field of data storage. The method is cooperatively executed based on a first-level cache managed by a hardware management module and a second-level cache managed by a software management module, and comprises the following steps: the hardware management module performs address analysis on a received host command and queries the state of a corresponding data block in the first-level cache; the states comprise invalid, in-loading, available, dirty data and in-unloading. And when the data block is in the invalid state, triggering a data loading operation from the nonvolatile memory or the second-level cache to the first-level cache. And when the data block in the dirty data state needs to be replaced from the first-level cache, triggering the operation of migrating the data block to the second-level cache for temporary storage. Through a software and hardware collaborative division architecture and a dirty data priority cache migration strategy, the data access delay is effectively reduced, and more stable overall performance is realized.

A technique for address resolution is described. As to a method aspect of the technique, a method (400) performed by a first network entity (100; 1400) for address resolution is provided. The method (400) comprises or initiates maintaining (408) a tuple table. The tuple table comprises one or more tuples. Each of the one or more tuples of the tuple table comprises a UE address component indicative of a UE address of a user equipment, UE, and a RAN UE ID component indicative of a RAN UE identifier, RAN UE ID, of the UE in a radio access network, RAN. The method (400) further comprises or initiates sending (412), to a second network entity (200; 1500), a resolution message indicative of the RAN UE ID of at least one of the one or more tuples of the maintained (408) tuple table.

The invention provides a multi-chip interconnection system and a decoding method thereof, the multi-chip interconnection system comprises a plurality of chips, each chip comprises a processor, an address resolution module, a bus matrix, an address recovery module, an interface A and an interface B, the plurality of chips are connected end to end to form an annular interconnection structure; comprising the following steps: a host sends a request; based on the chip number, the address parsing module parses the global address into a local address; based on the local address, the bus matrix sends the request to a corresponding slave; based on the chip number, the address recovery module recovers a local address to a global address; and the interface A or the interface B sends the request to an adjacent chip. The method has the beneficial effects that the logic is simple, the area is small, and the optimal access path can be obtained.

The invention belongs to the technical field of computers, and discloses a model framework for creating a building space-time object and a creating method. The model framework comprises an address resolution model and an address matching model, a coding network is shared between the address resolution model and the address matching model, the input of the coding network is a text address, and the output of the coding network is a text geographic fusion vector; the address resolution model and the address matching model are obtained by training in a multi-task joint training mode; the address analysis model is used for converting an address text in the building multi-source data into an address tag sequence; the address matching model is used for identifying address texts indicating the same building in the building multi-source data; the building space-time object of the target building comprises building information extracted from building multi-source data indicating the target building and an address label sequence. Therefore, accurate semantic analysis and full space-time correlation modeling of cross-department multi-source heterogeneous data are realized through multi-task learning.

The present invention provides a UE-based network data request interaction management method and system, which relates to the field of electronic information technology. The method includes: establishing an interface configuration table and defining a table ID; a request management module parsing the interface configuration table and executing an Http module; encapsulating a request package body according to the interface configuration table parsed by the request management module; encapsulating a request address into the interface configuration table, parsing request parameters and reading cached parameter values, splicing the parameters into the request address, initiating a network request using a UE engine Socket component, encapsulating a message topic address into the interface configuration table, parsing request parameters and reading cached parameter values, splicing the parameters into the topic address, subscribing to a topic using an MQTT third-party library, and monitoring and receiving returned network data. The present invention effectively improves these problems, improves usage efficiency, reduces docking and debugging time, and effectively shortens the development cycle of project functions.