51 results about "Address pool" patented technology

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.

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 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 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 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.

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 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.

The application relates to the technical field of network communication, in particular to an address management method and device and related equipment. The method is applied to an access device, a DHCP service is integrated on the access device, and an IP address pool corresponding to each network card of a GPU server is preconfigured on the access device accessed by the network card; the method comprises the following steps: receiving an IP address request message sent by a network card of a GPU server, wherein the IP address request message carries MAC address information and network card type information of the network card; judging the network card type of the network card based on the network card type information of the network card; if it is judged that the network card type of the network card is a network card needing to be configured with a static IP address, allocating an IP address for the network card from the IP address pool corresponding to the network card; and maintaining the association relationship between the MAC address of the network card and the IP address into a network card association table needing to be statically configured with an IP address.

The invention discloses a method for realizing cross-domain transmission of subnet information based on PCEP protocol extension, and belongs to the field of computing power networks, and the method can comprise the following steps: realizing cross-domain transmission of a global IP address pool, Clico node subnet information and Peer-Node SID by extending a PCEP protocol, synchronizing an intra-cloud virtual network topology comprising network information of a VPC, a subnet and a virtual machine to a network controller, and realizing the cross-domain transmission of the subnet information based on the PCEP protocol extension. A unified network topology is formed on the network controller, so that the network controller senses the Calico subnet, end-to-end deterministic path calculation and issuing are realized, and meanwhile, the dynamic response of the subnet and the real-time coordination of subnet distribution / recovery / capacity expansion events are supported.

The invention provides a message processing method and NAT equipment, and the method comprises the steps: receiving a target message, obtaining a first NAT address from an NAT address pool corresponding to the identifier of a first operator when the target message is recognized to belong to the first operator, carrying out the NAT conversion of the target message through the first NAT address, and carrying out the NAT conversion of the target message; and obtaining a target outbound interface corresponding to the first operator identifier from the equivalent forwarding table, and sending the target message through the target outbound interface. Through the method, the message sent by the operator user can be sent to the corresponding operator network.

The invention belongs to the technical field of field buses, and particularly relates to a detector address online self-setting method based on a CAN bus and host equipment. When slave equipment in the CAN bus is offline, acquiring the addresses of the offline slave equipment, and forming an offline address pool by the addresses of all the offline slave equipment; when a replacement slave device used for replacing the offline slave device is online, selecting an offline slave device address from the offline address pool as a replacement address and sending the replacement address to the replacement slave device; and after the replacement slave device receives the replacement address, the replacement address is set as the address of the replacement slave device, and the address of the offline slave device is moved out of the offline address pool after successful setting. Therefore, the address of the replacement slave device is automatically changed into the allocated address in the CAN bus, and the address of the offline slave device is deleted whenever one address is successfully set, so that the uniqueness of all device addresses is ensured, and the address of the replacement device can be automatically set quickly and conveniently.

This application provides a communication method and apparatus. The method is applied to a network device and includes: receiving a first IPv4 packet sent by a user equipment, the first IPv4 packet including a first source address and a first destination address; if a first address mapping table entry matching the first destination address exists in a locally stored address mapping table, then obtaining a first IPv6 address from the first address mapping table entry; obtaining a second IPv6 address from a first address pool according to the first source address; sending a first IPv6 packet to a server indicated by the first IPv6 address, the first IPv6 packet including a second source address and a second destination address, the second source address being the second IPv6 address and the second destination address being the first IPv6 address; wherein the first address pool is a reserved set of IPv6 addresses.

This invention discloses a method for automatically allocating service packets IP addresses based on an OpenVPN environment in the field of Virtual Private Network (VPN) technology. The method includes configuring multiple first IP address pools for first ID groups based on the OpenVPN server's management interface, associating each first IP address pool with a corresponding filter ID, setting the IP range for each first IP address pool, authenticating a second ID using server authentication, and obtaining the attributes of the filter ID corresponding to the second ID after successful authentication. Based on these attributes, the method matches the corresponding IP address pool within the first IP address pools to obtain the second IP address pool. This invention achieves non-overlapping IP address allocation by developing automated CCD files as configuration scripts and combining this with matching IP addresses to the attributes of the filter IDs used for authenticated user access. This avoids conflicts and allows for the allocation of different IP segments based on the user's service packet status, effectively improving the efficiency of IP address allocation management.

Provided are a port allocation method, system, device and product for a hybrid heterogeneous public network address pool, the hybrid heterogeneous public network address pool is deployed in a broadband remote access server, and a plurality of public network addresses and port sets corresponding to the public network addresses are configured in the hybrid heterogeneous public network address pool. Each port set can be cut into port blocks with different sizes, and the method comprises the following steps: acquiring historical use habit data and port consumption data of a target user; under the condition that the historical use habit data is obtained, inputting the historical use habit data and the port consumption data into a port demand prediction model, and predicting the number of ports required by the target user through the port demand prediction model; and cutting port blocks with the size corresponding to the number of the ports from the ports of the public network addresses in the hybrid heterogeneous public network address pool, and allocating the port blocks to the target user. According to the invention, resource waste caused by pre-configuration of multiple address pools can be reduced, and the consumption speed of public network addresses is reduced.

Embodiments of the present application provide an IPv6 network access method, device and storage medium, wherein in the method, in a case where a first IPv6 address corresponding to a first domain name is of a first type, a user-side device only needs to maintain a stateless correspondence table item according to a first IPv4 address corresponding to the first domain name, and does not need to maintain a complex stateful NAT46 session table, thereby saving resources of the user-side device. In addition, the first IPv4 address in the stateless correspondence table item is an existing IPv4 address corresponding to the first domain name, and does not need to occupy an IPv4 address in an address pool of the user-side device, thereby reducing consumption of IPv4 addresses. In addition, the embodiments of the present application provide a real IPv4 address corresponding to the first domain name to a first terminal, which is beneficial to subsequent service access of the first terminal through the real IPv4 address.

The invention provides an IP automatic planning method suitable for large-scale simulation network construction. The method comprises the following steps: acquiring a network topology structure and IP address pool parameters; scanning the network topology structure, and dividing the network topology structure into a plurality of network units according to the connection condition of the network equipment; determining the total number N of network units and the IP address allocation number S of a single network unit; an IP address pool is initialized by using the IP address pool parameters, N network segments are applied from the IP address pool, and each network segment comprises S IP addresses; the N network segments are correspondingly distributed to all network units; and traversing the network equipment in each unit, acquiring an IP address from the corresponding network segment, and allocating the IP address to the network port needing to be allocated until all the network equipment of all the network units are traversed. According to the method, the IP address can be automatically planned, and the problem of quickly planning the feasible IP address for the network topology structure in the simulation network environment construction process is solved.

The invention discloses a data packet forwarding method and device, equipment and a storage medium, and relates to the technical field of network security, and the method comprises the steps: receiving a resource access data packet sent by a gateway client through a gateway server, and forwarding the data packet to virtual Ethernet pair equipment through an XDP socket mode; calling the redirection component by the equipment through the virtual Ethernet to analyze a source IP address and a destination IP address in the data packet, and querying the source IP address from a virtual IP address pool table associated with the redirection component; if the source IP address is located in the address pool table, querying a kernel FIB table based on the target IP address to obtain a target physical network card corresponding to the target IP address; and redirecting the data packet to the target physical network card, and sending the resource access data packet to a resource server through the target physical network card. According to the method and the device, the forwarding efficiency of the data packet can be greatly improved, and frequent system calling overhead is avoided, so that the occupation of system resources is reduced.

The invention relates to the technical field of network communication, in particular to a bidirectional table lookup device and implementation method for an NAT (Network Address Translation) system, and the device comprises an NAT table module which is used for storing address mapping information and realizing bidirectional table lookup operation; the management module is used for coordinating investigation table operation, table item maintenance, port number generation, result caching and conflict arbitration; the available address pool module is used for realizing allocation and recovery of address resources based on synchronous FIFO (First In First Out) to realize address closed-loop multiplexing, outputting an available address number and monitoring an address pool occupancy rate in real time; the cold and hot table scheduling module is used for dynamically marking table item cold and hot states based on the lookup table occupancy rate and table item silencing time, and preferentially covering cold table items based on the cold and hot states to solve resource competition congestion; according to the scheme, the consistency of table item mapping and high-concurrency line-speed forwarding can be ensured, and resource occupation is reduced.

The present disclosure provides a system (108) and a method (500, 600) for internet protocol (IP) allocation based on a user equipment's type allocation code (TAC) in a network (106). The system (108) includes a session management function (SMF) (210) and a user plane function (UPF) (214). The SMF (210) receives a session establishment request from the UE (104), including an identifier such as International Mobile Equipment Identity (IMEI) or Permanent Equipment Identifier (PEI), and transmits the identifier to the UPF (214). The UPF (214) extracts the TAC from the identifier, compares it with one or more predefined TACs associated with dedicated IP address pools, and allocates an IP address to the UE (104) accordingly. When the TAC does not match, the UPF (214) assigns the IP address from a general pool based on a data network name (DNN) or network slice.

The application provides a link detection method and device, and relates to the technical field of communication. The method comprises the following steps: for each private network address in an address pool used for load balancing, a bidirectional forwarding detection (BFD) packet is sent to a network device corresponding to the private network address; a response packet of each BFD packet sent by the network device is received; a state of the network device represented by each response packet received within a set time is confirmed; if the state represented by more than a first set number of response packets within the set time is an inactive state, it is confirmed that a link between a load balancing device and the network device is unavailable; and if the state represented by more than a second set number of response packets within the set time is an active state and the state represented by a third set number of recently received response packets is an active state, it is confirmed that the link between the load balancing device and the network device is available.