86 results about "Address pool" patented technology

The invention discloses a data transmission method and device, an industrial control system, a storage medium and a computer program product, and the method comprises the steps: initializing a continuous physical memory, dividing the continuous physical memory into memory blocks with a fixed size, recording the initial address, size, idle or occupied state of the memory blocks through a red-black tree, and forming a dynamic address pool; the dynamic address pool can realize on-demand allocation of memory blocks and merging and dynamic expansion of adjacent free blocks; the method comprises the following steps: acquiring a load index in real time through an FPGA (Field Programmable Gate Array), triggering interruption based on load grading and predicting a memory demand in combination with a machine learning model, and pre-fetching a memory block from a dynamic address pool to a user mode mapping region before a real-time task initiates a memory allocation request; a user mode atomic operation annular queue is designed, direct data interaction between the X86 and the FPGA is achieved through memory mapping, and a Burst transmission and cache consistency protocol of a hardware bus is combined. According to the scheme, the problem of memory fragmentation is solved, the data transmission delay is reduced, and the CPU occupancy rate is greatly reduced.

The invention provides a strategy for an MCU to carry out automatic addressing on a proximity sensor. Constructing a preset address pool in the Flash; judging whether an effective physical address exists in a memory or not; if yes, taking the current effective physical address to carry out communication work; if not, the first slave equipment physical address is taken out from the top of the preset address pool, a read instruction is generated, and whether a slave equipment ACK response signal exists on the I2C bus or not is scanned; and if the slave equipment ACK response signal is received, the current slave equipment physical address is an effective address, the effective physical address is written into the memory, and the effective physical address is taken for communication. According to the invention, the problems of poor flexibility of the pairing mode of the MCU and the proximity sensor and high cost of replacing the proximity sensor in the prior art are solved.

Techniques are disclosed for rotating network addresses following the installation of a prefab region network at a destination site. A manager service executing within a distributed computing system can allocate a rotation network address pool to a root allocator service that may be configured to provide network addresses from network address pools to dependent nodes within the distributed computing system, with each dependent node associated with a corresponding first network address of the network address pools. The manager service can receive an indication that a second network address of the rotation network address pool is associated with a dependent node. In response, the manager service can execute and a migration operation for the dependent node to redirect network traffic within the distributed computing system from the first network address to the second network address.

The invention relates to the technical field of industrial automation control, in particular to an automatic equipment numbering system and method based on an industrial field bus. The method comprises the following steps: broadcasting an initial address seed through a main controller, and sequentially setting incremental addresses for equipment by adopting a chain transmission mechanism in linear topology; exclusive address fields are dynamically divided in the bifurcation topology, buffering is reserved, and hierarchical chain type numbering is started by branch head equipment; monitoring an equipment state in real time, recovering an offline address to an address pool for priority allocation of new equipment, and automatically expanding an upper limit of an address field when the address is exhausted; a conflict risk prediction model based on multi-modal data fusion is introduced, and the crossing from passive processing to active early warning is realized through adaptive adjustment of detection frequency and a preventive reset mechanism. According to the invention, plug-and-play deployment of equipment without manual intervention is realized, and the automatic management level and reliability of an industrial bus network are remarkably improved.

This disclosure provides an I2C address conflict handling method, apparatus, device, and storage medium, relating to the field of computer technology and applied to BMC (Bus Management Center). The method first identifies address conflict events on the I2C bus and determines at least two conflicting devices and their address modification capabilities. Then, based on the address modification capability information, a target resolution strategy is selected from preset multi-level resolution strategies, and a target I2C address is matched to the target conflicting device from the address pool. Next, the target resolution strategy is executed, changing the I2C address of the target conflicting device to the target I2C address. Finally, the device address mapping table is updated, and the conflict handling information is recorded in a conflict tracing database. This solution achieves automated detection and resolution of I2C address conflicts, is compatible with various address modification capabilities, avoids manual intervention and secondary conflicts through dynamic address pool management and multi-level strategy adaptive selection, and establishes a full-process tracing mechanism, improving bus communication stability and operational efficiency.

A system and method for managing user identity information in a multi-tenant environment can perform operations including assigning a first address from an address pool for a first user session, storing first information for the first user session in the memory linked to the first address, and assigning a second address from the address pool for a second user session. The operations can also include storing second information for the second user session in the memory linked to the second address from the address pool for the second user session if the second address does not match a third address from the address pool for a third session in the memory, and forwarding communication data for the second user session after the second information has been stored.

In a transmission scene with large network delay or large out-of-order distance, in order to solve the problems that the bit width of a packet receiving bitmap of an RDMA data receiving end is too large and storage resources are occupied too much, the invention provides a packet receiving bitmap management method of out-of-order RDMA. According to the method, an RDMA queue does not apply for a storage space in advance for an annular packet receiving bitmap of Q), the annular packet receiving bitmap is segmented into a plurality of sub-bitmaps, and a sub-bitmap space is dynamically applied or released from an available sub-bitmap address pool according to needs; the available sub-bitmap address pool is a queue, all sub-bitmap addresses are queued into the address pool during initialization, when the QP needs a sub-bitmap, one sub-bitmap address is dequeued from the address pool, and after a certain sub-bitmap of the QP is used, the used sub-bitmap address is queued back into the address pool; when a certain sub-bitmap of the QP is 1, the sub-bitmap space can be released in advance. According to the invention, the RDMA data receiving end supports the packet receiving bitmap with a large bit width, the occupied bitmap storage resources are small, and the utilization rate is high.

Techniques for automatically integrating SD-WAN constructs to security policies are described. The techniques may include defining, by a security cloud provider, a security policy for an entity, the entity represented by a VPN security policy label and the security policy absent source and destination CIDR IP addresses. The security cloud provider notifies an SD-WAN controller of the security policy. The SD-WAN controller maps the VPN security policy label to an IP address pool and a VPN ID. The SD-WAN controller generates an enhanced security policy by automatically adding source and destination CIDR IP addresses to the security policy. The SD-WAN controller deploys the enhanced security policy to an SD-WAN branch router and generates a VPN segment between the SD-WAN branch router and the security cloud provider to establish a common secure internet gateway tunnel for the IP address pool.

The application relates to the technical field of computer system software, and discloses a container network management method based on host computer multi-IP binding and related equipment. After a node is started, node registration and Pod IP address range allocation are completed through node agent interaction with a management center, IP addresses are allocated to the Pod according to the address range, and address conflict detection is performed; the Pod network mode is configured as a host computer network mode, and the allocated IP addresses are added to a physical network card of the host computer, so that the Pod realizes communication by relying on the host computer network. When a sandbox and a business container are created, IP addresses are synchronized to sandbox metadata annotations and business container environment variables, and networking interaction of applications in the container is supported. When the life cycle of the Pod ends, the IP addresses are recycled and removed from the physical network card; when the node agent is restarted, the local IP allocation state is restored, invalid IP addresses on the physical network card are cleaned, and the invalid IP addresses are recycled into an address pool, so that IP efficient reuse is realized. The application guarantees the running performance and stability of the container network.

The application discloses an address management method and device, network equipment, a program product and a storage medium. The method comprises the following steps: a first network function receives a first message sent by a first session management function (SMF), wherein the first message comprises an IP address allocation application, and the IP address allocation application is used for applying for an IP address for a session of a user; the first network function allocates a first IP address for the session of the user in an IP address pool, and establishes a mapping relationship between the first IP address and a related identifier of the first SMF; and the first network function sends the first IP address to the first SMF.

The present application discloses a method and device for managing an address pool, a non-volatile storage medium, and an electronic device. The method includes: receiving a first session message; determining the flag bit type in the first field of the first session message between the terminal and the network element when it is determined that the Internet Protocol address obtained by the terminal is abnormal, wherein the flag bit type is used to determine the network element that allocates the address to the terminal; determining the target network element that causes the Internet Protocol address abnormality based on the flag bit type; and increasing the address resources in the address pool when the usage rate of the address resources of the address pool corresponding to the target network element is greater than a preset threshold. The present application solves the technical problem that the terminal cannot quickly obtain the Internet Protocol address due to the inability to quickly determine the faulty network element that causes the Internet Protocol address abnormality and thus the inability to expand the address pool of the faulty network element.

The application discloses a kind of RS485 bus Modbus automatic address configuration method and system, comprising: main equipment initialization address pool, and sends Modbus address allocation broadcast instruction;First slave device power-on enters configuration mode, detects the connection state of main equipment and next level slave device;First slave device allocates address in combination with itself unique ID and storage, after address configuration is completed, confirmation message is sent, and address allocation instruction is forwarded to next level;All slave device address allocation is completed gradually, and the slave device that address configuration is completed is automatically switched to normal communication mode;When slave device is replaced, it is automatically detected by the next level device, and the new device is automatically configured as the address of the original device, realizing plug and play replacement.The application realizes that slave device is plug and play, automatically obtains unique Modbus address, without manually dialing code or software pre-configuration, solves the problem of low deployment efficiency of multiple device networking address conflict.

The application discloses an AI vision-based video VLM model inference acceleration method, comprising the following steps: S1, synchronously collecting a video stream and hardware state parameters; S2, dynamically sparsifying sampling to generate a sparse frame sequence; S3, allocating a continuous video memory physical address pool; S4, using an improved VideoMAE model and constructing a video memory direct-reading forward propagation layer to obtain a base address pointer to skip a standard interface, performing streaming calculation to reconstruct features in an SM, and outputting a compressed Token sequence; S5, using remaining space to store key-value caches to perform large model calculation to output semantic features; S6, using an Orca algorithm to insert micro-batch calculation during SM idle periods to cover up delayed output inference texts; and S7, releasing the caches and dynamically adjusting a frame rate and a compression ratio to perform a cycle. The application eliminates redundant copying and significantly improves inference throughput.

A method for obtaining and maintaining Internet Protocol (IP) address pools and responding to IP address allocation requests from a service management function (SMF) using the IP address pools includes obtaining, at an IP address provider microservice implemented using at least one processor, a plurality of IP addresses and corresponding IP address leases from a Dynamic Host Configuration Protocol (DHCP) server and storing the IP addresses in IP address pools. The steps further include maintaining the IP address leases. The method further includes receiving a request from the SMF to allocate an IP address. The method further includes allocating one of the IP addresses from one of the pools to the SMF. The method further includes communicating the IP address to the SMF.

The application relates to a session establishment method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: detecting the device state of a first shunt device; the first shunt device corresponds to a first address pool; when the device state of the first shunt device is abnormal, a second address pool corresponding to a second shunt device is allocated to a target user terminal; when a second data network corresponding to the second address pool is configured on the target user terminal, a second target address in the second address pool is allocated to the target user terminal, so as to instruct the target user terminal to establish a packet data unit session with the second data network according to the second target address. The method can realize shunt device disaster recovery, thereby ensuring that a normal packet data unit session is established between a user terminal and a data network.

The invention relates to the field of CPE communication, in particular to an IP transparent transmission method and device of CPE, equipment and a storage medium. Comprising the following steps: configuring PDP context information for a WAN side of a target CPE, and sending the PDP context information to a target base station through an MIPS interface of the target CPE to initiate a dialing request; acquiring a network parameter returned by the target base station in response to the dialing request through an MIPS interface; forbidding an IP address distribution function of a ccmni port of the target CPE; modifying the DHCP service configuration of the target CPE to set the local area network IP address as the unique DHCP address pool at the LAN side of the target CPE, and determining a target downstream device; and bridging the ccmni port to a br-lan interface of the target CPE to establish an unvarnished transmission channel between the target downstream equipment and the target base station. According to the invention, a user or equipment in a public network can actively initiate connection to access the 5G CPE downstream local area network equipment.

The application relates to a network exception alarm monitoring method, equipment and a storage medium, wherein the monitoring object is a DHCP server, and the monitoring types include service exception, address pool exception, lease exception, request exception and high-availability exception.The network exception alarm monitoring method can realize real-time monitoring and notification processing of the service exception, the address pool exception, the lease exception, the request exception and the high-availability exception of DHCPv4 and DHCPv6, can predict risks in advance, helps users to quickly locate problems, and minimizes the influence of faults.

The invention discloses an automatic matching device for an adapter cable address of a cable network test system, which relates to the technical field of cable test, is used for identifying a cable address of a target adapter cable and automatically configuring the cable address, and comprises an upper computer, a main control MCU (Microprogrammed Control Unit) and a plurality of cable address identification modules. According to the invention, address storage and addressing are carried out on a storage chip, and the positions of cables are rapidly matched in a large number of cable address pools in cooperation with MCUs of all parts and a software algorithm, and then the positions are uploaded to an upper computer. The automatic adapter cable address matching device of the cable network test system can automatically identify and match the address of the adapter cable, so that manual intervention is reduced, the configuration process is simplified, and the operation efficiency is improved. When the position of the adapter cable is replaced, the system does not need to be reconfigured, the configuration information can be automatically updated, and the configuration time and complexity are remarkably reduced. The automatic address matching and configuration reduce the possibility of human errors, and improve the accuracy and reliability of the test.

Embodiments of the present application provide a network isolation device and a method for transmitting data between network isolation systems, the network isolation device comprising: a configuration module configured to: complete pre-allocation of addresses in an address pool to obtain a local address pre-allocation result, wherein the local address pre-allocation result is determined by comparing the number of local service types with the number of addresses in the local address pool; maintain the local address pre-allocation result and the usage state of the local address pool addresses; a connection module configured to obtain a local data transmission address and port for a peer's to-be-transmitted data packet according to the local address pre-allocation result; and a data transmission module configured to send the local to-be-transmitted data packet to the peer network isolation device according to the peer data transmission address and port. Embodiments of the present application achieve a certain degree of sharing when pre-allocating addresses for different service types, and the pre-allocated addresses are not completely isolated.

A method for refreshing a memory element, comprising: - generating a refresh address with a refresh period, - performing each refresh at a weak cell with a first address when the refresh address is a second address, instead of a first strong cell with the second address, and - performing each refresh at a first strong cell or a second strong cell with a third address when the refresh address is the third address, - wherein address information is stored for only one of the first, second, and third addresses, and / or wherein the third address is selected from a pool of addresses with a range defined by at least two least significant bits of one of the first and second addresses.

The invention relates to the field of edge computing, and provides a network edge application service system, which comprises a system own subnet address pool for distributing a unique subnet address for an application service provider and an edge service provider; the application service provider is provided with a fixed internet address, the edge service provider is provided with the internet address, a network tunnel established based on the subnet address and the internet address, and a scheduler subnet address for sending a request data packet of the terminal to the application service provider; the scheduler receives the request data packet, processes the request data packet, sets a reply data packet, redirects the reply data packet to a server subnet address of the edge service provider, and transmits the reply data packet to the terminal; and a second request data packet of the terminal is sent to the server subnet address, and the data content is acquired. The address is allocated to the mobile terminal through the fixed private network or public network address pool, high public network subnet cost is avoided, network operation and maintenance management is simplified through the tunnel technology, and time delay caused by routing table updating and convergence is reduced.

The present application relates to the technical field of long-distance data transmission, in particular to a long-distance data transmission method based on RDMA protocol, comprising: a sending end and a receiving end establish a reliable connection, transmit relevant information of a file, and exchange key parameters required for subsequent communication; the receiving end designs an adaptive address buffer pool and a suitable sliding window size; the receiving end and the sending end create necessary resources before RDMA transmission, and then start file transmission; a batch processing mechanism of queue elements is designed, a plurality of completion information is combined and processed, and performance is further optimized; the sending end reads and blocks file contents, requests available addresses from a receiving end address pool, writes the file blocks into a specified memory of the receiving end, writes the memory into a specified position of a hard disk after writing is completed, and reuses the address; after file transmission is completed, the created relevant resources are released, and the speed and efficiency of RDMA data transmission are significantly improved.

This application provides a method and apparatus for implementing a multi-carrier egress network in a cloud network. The method includes: establishing a virtual network controlled by a Software-Defined Networking (SDN) controller, wherein the software includes a three-layer structure: a traffic control (TC) area, a network element service area, and a resource access layer; establishing an address pool of pre-defined multi-line elastic public IPs (EIPs) for different carriers to achieve a multi-egress deployment mode; binding pre-defined network interface cards (NICs) to pre-defined carrier EIPs to enable a single cloud host to provide multi-carrier bandwidth, with static routing configured within the cloud host to select carrier links; implementing background control of network elements and multi-carrier egress points based on a pre-defined traffic control strategy; obtaining network latency information for multiple EIPs bound to a single virtual machine for each customer based on pre-defined virtual machines within the carrier network, thus enabling carrier link detection; and implementing carrier link or carrier egress switching control based on link latency or interruption.

The application provides a switch vlan traversal test method, comprising the following steps of: building a hardware test environment, setting a vlanl management address of a switch, accessing a switch 1 port by a network card 1 through a static address, accessing a switch 2 port by a network card 2 through a dynamic IP address, connecting a switch Console port with a PC USB port; running a script by the PC, automatically configuring vlan parameters, then comparing webpage interface parameter information with expected values, completing webpage display information checking, obtaining an IP address by a PC network card 2, judging whether the IP address is in an address pool range after the network card 2 obtains the IP address, and checking DHCP Server function effectiveness. The application has the beneficial effects of simple test method, fast test speed, saved manpower and material resources, and low cost.

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.

Electronic destinations can be generated for tracking and monitoring electronic communications. Electronic destination can be generated and inserted into an electronic address pool. A rule for processing electronic communications can be generated and assigned to a generated electronic destination. The generated electronic destinations that have been inserted into the electronic address pool can be monitored for electronic communications. After receiving an electronic communication at a generated electronic address, the electronic communication can be process to determine if the electronic communication violates the assigned rule. If the electronic communication violates the assigned rule and is an unauthorized electronic communication, a record of the rule violation can be generated.

Methods and system for providing network connectivity are disclosed. In an example, a method for providing network connectivity involves receiving from an Internet Service Provider (ISP) Internet Protocol (IP) address pool-to-tier mappings, generating an IP address-to-tier mapping at a Secure Access Service Edge (SASE) domain from the IP address pool-to-tier mappings, and forwarding traffic received at the SASE domain from a Broadband Network Gateway (BNG) of the ISP according to the IP address-to-tier mapping, wherein the traffic is received at the SASE domain from the BNG of the ISP only after access to the ISP is granted using an access ID.

A process can include determining a plurality of Network Address Translation (NAT) routes associated with respective edge routers included in a same virtual private network (VPN) for communicating with a software-defined wide area network (SDWAN). A process can include identifying a first subset of the plurality of NAT routes as mapped to a first public NAT address included in a NAT pool associated with the VPN. A process can include tagging each NAT route of the first subset with a tag value indicative of a preferred router for receiving return traffic of the respective NAT route. A process can include routing traffic on a respective NAT route of the plurality of NAT routes based on applying, at an SDWAN controller, a corresponding control policy matching the tag value of the respective NAT route.

The application provides a high availability implementation method and system of a tenant cloud server, and a cloud data center controller. The method comprises the following steps: setting a management network address pool; wherein the management network address pool comprises no less than M management network addresses, and the management network addresses are public network IP addresses; allocating the M management network addresses in the management network address pool to M tenant cloud servers one by one; grouping the M tenant cloud servers into a cluster, and setting cluster configuration information of the cluster, wherein the cluster configuration information comprises a virtual IP address; sending the cluster configuration information to each tenant cloud server in the cluster through the management network address allocated to each tenant cloud server; downloading, by each tenant cloud server, a cluster configuration tool from an external network through the allocated management network address; and joining, by each tenant cloud server, the cluster by using the cluster configuration tool and the cluster configuration information. The application can realize high availability of the tenant cloud server.

The invention provides an address conflict avoidance method and device in a local area network, electronic equipment and a medium. The method comprises the following steps: changing a network segment of a local area network address pool under the condition of detecting that an IP address of a wide area network interface conflicts with an IP address of a local area network; according to the changed network segment, modifying an original IP address of the management equipment in the local area network into a target IP address; and broadcasting an ARP response to the local area network, the source IP address and the destination IP address of the ARP response being the target IP address, and the source MAC address of the ARP response being the MAC address of the management device.