62 results about "IPv4" patented technology

The invention relates to a hardware routing table look-up method based on segmented unified storage. The method comprises the following steps: firstly, acquiring an IPv4 / IPv6 routing prefix, dividing the IPv4 / IPv6 routing prefix into 1-4 address fields according to 32 bits, allocating a unique forward and backward segment identifier for each field, constructing table entries containing the segment identifiers, 32-bit segment data and a next hop, and uniformly storing the table entries into the same TCAM. During table lookup, segmenting an address to be looked up according to the same rule, querying the TCAM from a first segment by taking segment data as a key, and recording a backward segment identifier and a next hop after hit; and if the backward segment identifier is invalid, directly returning to the corresponding next hop, and if the backward segment identifier is valid, continuing query by taking the identifier and the next segment of data as a joint key. And when the table item is not hit or the identification verification fails, selecting the table item with the longest prefix and the valid next hop in the matched section, and returning to the next hop. According to the invention, IPv4 / IPv6 routing table entries can be uniformly stored, the TCAM space utilization rate is improved, and meanwhile, the hardware table look-up efficiency is guaranteed.

The invention discloses an IPv4 / IPv6 dual-stack network intelligent operation and maintenance management method and system based on AI, and relates to the field of AI. The method comprises the steps that through full-link multi-source data collection and feature processing of network equipment, terminals, protocols and services, a structured data set is constructed; real-time evaluation and visual monitoring of the network state are realized by using a multi-task AI model; once an abnormality is found, a fault node and a propagation path are accurately positioned through a fault diagnosis model; integrating various model outputs to automatically generate and execute a targeted operation and maintenance strategy; and on-line iterative optimization of the AI model and the knowledge base is driven through continuous effect evaluation and data feedback, so that the dual-stack network intelligent operation and maintenance capability of autonomous circulation is formed. The method has the advantages that AI enabling and dual-stack adaptation are focused, full-link multi-source data acquisition is taken as support, accurate evaluation, rapid diagnosis and intelligent decision making are realized through a multi-task fusion AI model, the operation and maintenance efficiency and the network stability are improved, and the labor cost is reduced.

The invention relates to a multi-tenant unified storage routing table item compression method and system based on identification mapping. The method comprises the following steps: in a routing table entry insertion stage, dynamically distributing a minimum available reduce ID for each new tenant, and ensuring that an IP prefix space of the new tenant is not overlapped with a tenant using the same reduce ID; in the lookup stage, a message VNI is firstly converted into a reduce ID through a mapping table realized based on an RAM, then the reduce ID and a destination IP are used as a joint key to look up the TCAM, and by constructing a mapping relation from the VNI to the reduce ID, the table item bit width of the TCAM is remarkably reduced on the premise of ensuring the routing correctness. The method is suitable for an IPv4 / IPv6 multi-tenant environment, the hardware area and power consumption can be effectively reduced especially in an FPGA or ASIC high-performance data plane, and meanwhile the line speed forwarding capacity is kept.

The application relates to a unified IPv4 / IPv6 address management method in an IPv6 evolution environment, which comprises the following steps: arranging all IPv4 and IPv6 address segments, planning IPv4 and IPv6 communication scenarios, allocating IPv4 and IPv6 mapping address segments, defining IPv4 and IPv6 address translation rules according to the IPv4 and IPv6 mapping address segments, generating an IPv4 and IPv6 address translation rule set, and generating corresponding mapping addresses for each real IPv4 / IPv6 address according to the IPv4 and IPv6 address translation rule set. In the process of IPv6 evolution, the real IPv4 / IPv6 address, the mapping IPv4 / IPv6 address and the IPv4 / IPv6 address translation rule involved in the IPv4 / IPv6 coexistence and communication scenario can be effectively managed.

This invention relates to a dual-stack network asset discovery method based on multi-protocol collaborative detection and intelligent fingerprint analysis; it includes the following steps: multi-source parallel acquisition: collecting network layer information of various terminal devices in the intranet through command line interface or application programming interface; data cleaning and standardization: after acquisition, cleaning and standardizing the raw data; target device identification and detection strategy generation: based on the cleaned address list and combined with device information, identifying the target device type and automatically generating corresponding detection parameters; multi-protocol asset detection packet sending: sending detection packets to target IPv4 and IPv6 addresses according to configuration parameters; response data parsing and fingerprint recognition: performing structured parsing and multi-dimensional recognition on the received response data; dual-stack network data fusion and statistical analysis: after fingerprint recognition, fusing and analyzing the IPv4 and IPv6 detection results and constructing a unified asset database.

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

The invention relates to a dual-stack network asset discovery method based on multi-protocol cooperative detection and intelligent fingerprint analysis. Comprising the following steps: multi-source parallel acquisition: acquiring network layer information of each terminal device in an intranet through a command line interface or an application programming interface; data cleaning and standardization: after acquisition is completed, cleaning and standardization operation is performed on the original data; target equipment identification and detection strategy generation: according to the cleaned address list, in combination with equipment information, identifying the type of target equipment, and automatically generating corresponding detection parameters; sending a multi-protocol asset detection message: sending the detection message to the target IPv4 and IPv6 addresses according to the configuration parameters; response data analysis and fingerprint identification: carrying out structured analysis and multi-dimensional identification on the received response data; and dual-stack network data fusion and statistical analysis: after fingerprint identification is completed, carrying out fusion analysis on IPv4 and IPv6 detection results, and constructing a unified asset database.

The invention discloses a dual-stack selection method for DNS (domain name system) area transmission and a related device, a first server respectively sends query requests of authorization start records SOA to a plurality of servers providing area data for the first server, P pieces of response information are obtained after waiting for a first time length, if IP addresses corresponding to the P pieces of response information are IPv4 addresses, the first server sends the query requests to the plurality of servers, and if the IP addresses corresponding to the P pieces of response information are IPv4 addresses, the first server sends the query requests to the plurality of servers; if yes, continuing to wait for a second time length to obtain Q pieces of response information, improving the probability of receiving the response information of the IPv6 address, then preferentially sorting the P pieces of response information and M IP addresses with the same serial number in the Q pieces of response information according to the IPv6 address to obtain a sorting result, and finally sending an area transmission XFR request according to the sorting result, therefore, the first server can preferentially select the server with the IPv6 address to carry out regional data synchronization, and the migration of traffic to an IPv6 network is accelerated.

The invention discloses a method and device for automatically detecting network routing fluctuation based on Newcastle equipment, and the method comprises the steps: selecting a certain leaf matrix based on a configured trace matrix, and carrying out the configuration of trace basic data; based on the selected trace basic data, calling a trace task scheduling generation capability, and generating a leaf matrix trace scheduling task and an xxljob scheduling task; based on the leaf matrix trace scheduling task and the xxljob scheduling task, calling trace capability to perform trace on the selected trace basic data, and storing a trace result in a database; analyzing the trace result according to an anomaly judgment rule and a path analysis rule to obtain abnormal equipment and path change data; and performing summary presentation, detail presentation and path change presentation on trace results. According to the method and the device, unified matrix view display and state management of an IPv4 / IPv6 / SRv6 path are realized; and path abnormity is judged through multiple dimensions such as baseline comparison, hop count change and equipment type consistency.

The embodiment of the invention provides an IP address statistical system and method, electronic equipment, a medium and a program product, and relates to the field of wireless communication. The system comprises a first service module used for receiving IP address demand basic information of each network element deployed in a network function virtualization (NFV) network cloud system platform; the second service module is used for receiving docking configuration information of each network element of the NFV network cloud and an external system; the third service module is used for receiving resource pool deployment parameters; the resource pool deployment parameter is used for indicating the actual deployment scale of each network element under different networking types in a single resource pool, and the actual deployment scale at least comprises the actual deployment number of each network element in the single resource pool; and the fourth service module is used for counting the number of IPv4 and / or IPv6 addresses of each NFV network cloud resource pool based on the IP address demand basic information of each network element, the docking configuration information and the resource pool deployment parameters.

The embodiment of the present specification provides an application server access method, a chip module, a terminal and a storage medium, and relates to the technical field of communication. The application server access method comprises the following steps: detecting that a first domain name is accessed for a target application; sending a first domain name resolution request to a domain name system server, so as to request a plurality of first IPv4 addresses and a plurality of first IPv6 addresses corresponding to the first domain name; sending a first connection request to the application server, wherein the first connection request comprises a first target IPv6 address in the plurality of first IPv6 addresses; in response to the network quality being lower than a set quality level when the application server is accessed based on the first target IPv6 address, and detecting that the target application accesses the first domain name again; sending a second domain name resolution request to the domain name system server, so as to request a plurality of second IPv4 addresses and a plurality of second IPv6 addresses corresponding to the first domain name; and sending a second connection request to the application server, wherein the second connection request comprises a second target IPv6 address in the plurality of second IPv6 addresses.

This disclosure describes techniques and mechanisms to enable streamlined and simplified connectivity to host servers in data centers that utilize automated containerized networking. The techniques may be used individually or together to provide a fully automated, plug-and-play experience for the advertisement and discovery of IPv6 prefixes, simplify IPv6 routing to host servers, and provide reachability, visibility, and liveness detection. The techniques may eliminate the need for a BGP stack. The techniques may include extending a link layer discovery protocol stack running on a server to support adding a new TLV to LLDP probes sent to a top of rack router. The new TLV may advertise identifier(s) of the server (e.g., SRv6 Locator, IPv6 prefix(es), IPv4 prefix(es), etc.). The ToR may learn the identifier(s) of the server and may redistribute the server's reachability using routing protocol(s) of the network.

Systems and methods are described herein for validating an Internet Protocol (IP) version 6 (IPv6) address from an IP version 4 (IPv4) network. A method, according to one implementation, includes a step of receiving an IPv4-based request from a validation server that is configured to support an IPv4 address space. The method further includes a step of sending an IPv6-based request to a domain supporting an IPv6 address space. Also, the method includes receiving a response status code and domain validation information from the domain. Then, the method includes a step of passing the response status code and domain validation information to the validation server.

This application provides an IP address network partitioning method, apparatus, device, and storage medium, belonging to the field of asset management technology. The method includes: converting a target IP address into an integrated IP address block, wherein the target IP address belongs to either IPv4 or IPv6; determining the host bit width based on a variable-length subnet mask, and logically right-shifting the tail address block within the IP address block according to the host bit width to obtain a bit value; comparing the bit value of the tail address block with a reference bit value of the tail address block in a preset network partitioning rule to determine whether the target IP address matches the network partitioning rule. This method eliminates code redundancy and branch prediction failures. It significantly improves cache locality and instruction pipeline efficiency, thereby enhancing the adaptability of the solution.

The application relates to a multi-tenant uniform storage routing table item compression method and system based on identification mapping. The method comprises the following steps: in a routing table item insertion stage, a minimum available reduceID is dynamically allocated for each new tenant, and it is ensured that the IP prefix space of the tenant is not overlapped with a tenant using the same reduceID; in a lookup stage, a message VNI is converted into a reduceID through a mapping table based on RAM, and then reduceID+destination IP is used as a joint key to query a TCAM, and the mapping relationship between the VNI and the reduceID is constructed, so that the bit width of the TCAM table item is significantly reduced under the premise of ensuring routing correctness. The application is suitable for an IPv4 / IPv6 multi-tenant environment, and can effectively reduce the hardware area and power consumption in a FPGA or ASIC high-performance data plane, while maintaining the line-speed forwarding capability.

The invention discloses a method for constructing a Hash KEY based on a binding token for HttpDNS (Hyper Text Transport Protocol Domain Name Server) node scheduling, which relates to the technical field of Internet access acceleration and comprises the following steps of: receiving an analysis request containing a domain name host, a client IP (Internet Protocol) and a binding token, and adapting IPv4 / IPv6; if the state verification token does not exist, if the state verification token is invalid, generating a new token which contains failure time and a 32-bit mappingid which contains subfields such as versionid and the like; the Hash KEY is generated by using the XXHash64 after splicing is carried out according to the host, the clientip and the mappingid, and then the Hash KEY is generated by using the XXHash64; a target node is selected in combination with dynamic weights such as node health degree and delay; and returning the VIP, the token and the dynamic TTL. The TLS session reuse rate is improved, rapid fault switching is achieved, stateless extension of a server is supported, the client is endowed with an active scheduling right, stable bucket division of a long session is guaranteed, and service quality and expansibility are improved.

The invention discloses a method and a system for accessing a Wi-SUN boundary routing module to an IPv4 single-stack network based on an MCU. The method comprises the following steps: analyzing a destination address of a received data packet, and obtaining a transport layer protocol type; according to a transport layer protocol type, when the data packet is judged to be an IPv4 data packet, the data packet is processed through a transport layer; when the data packet is judged to be an IPv6 data packet, whether forwarding is carried out or not is judged according to the searched static routing table, if yes, the IPv6 data packet is forwarded, and if not, the IPv6 data packet is processed through a transmission layer; the transmission layer is used for directly sending an IPv4 data packet through an IPv4 interface; and for the IPv6 data packet, when the parsed destination address does not contain the prefix of the Wi-SUN subnet equipment, converting an IPv6 message header into an IPv4 message header, and then forwarding the IPv4 message header through an IPv4 interface. According to the invention, the IoT device with limited resources can access the IPv4 resource through the IPv6 network.

The application discloses a kind of dynamic routing scheduling method and system based on service priority under dual stack environment, belong to software-defined wide area network and network communication technical field.Method includes: preset service priority rule and dual stack adaptation rule;Receive service request and mark service priority label, collect dual stack traffic data, link state and the running state of SRv6 path, predict dual stack traffic variation trend by prediction model;With service priority as core orientation, determine the dual stack routing allocation rule of different priority service, dynamically adjust IPv4 / IPv6 traffic shunt proportion, generate dynamic routing scheduling instruction;Issue instruction to software-defined wide area network controller execution, collect state after scheduling and closed loop adjustment;Link fault is detected, and synchronous fault switching and traffic back are executed according to service priority.The application realizes the differentiated dynamic scheduling and resource collaborative optimization based on service priority under dual stack environment.

This invention discloses a method and apparatus for intelligent negotiation and seamless cross-terminal continuation of SIP media codecs. In this method, a three-dimensional capability set is maintained for each SIP session, distinguishing between initial negotiation and reINVITE, prioritizing the preservation of the current codec during reINVITE; a multi-priority selector performs four-level decision-making and two-dimensional verification; during call handover, the original context is cloned and the H.264 profile-level-id is protected; iLBC frames undergo RFC compliance negotiation by long-pressing; dual-stack adaptive creation of RTP instances; WebRTC Bundle group SSRC conflict detection and regeneration; and CNG packet hole punching penetrates NAT during FQDN calls. This invention eliminates reINVITE codec degradation through cross-operation of the three-dimensional capability set and state awareness, achieving seamless cross-terminal media continuation and improving IPv4 / IPv6 compatibility and the uniqueness of WebRTC media streams.

The invention relates to the technical field of network communication, and discloses a deterministic forwarding processing method and device based on an IPv4 network, and the method comprises the steps that a controller issues service flow information to a head node, and the head node matches a corresponding service flow according to a service flow feature strategy in the service flow information, inserting a corresponding outer layer IPv4 header, a segment routing header field SRH and a segment routing operation field SR-OPT in front of an original IPv4 header for the service flow, and performing packaging to obtain a message; the head node carries out deterministic forwarding processing on the message according to a deterministic processing method parameter table DNET and an outer layer IPv4 head destination address in the message; and if the transmission path from the sending end to the receiving end is not congested and has no link fault, judging whether nodes except the head node on the transmission path from the sending end to the receiving end support deterministic forwarding or not. According to the application, the determined low-delay, low-jitter and high-reliability service guarantee capability can be realized.

The application relates to a lightweight IPv4 / IPv6 translation method and device, which comprises the following steps: starting an IPv4 / IPv6 translation instance in a default VRF routing table on an IPv4 / IPv6 translation device, and creating two virtual ports; creating a user VRF routing table for each user on the IPv4 / IPv6 translation device; configuring corresponding translation rules according to the translation requirements of the users; connecting each user VRF routing table and the translation rules in a preset mode; when an IPv4 message to be translated or an IPv6 message to be translated enters the IPv4 / IPv6 translation device, matching a pre-configured mark rule, and after routing and forwarding in the corresponding user VRF routing table, translating the IPv4 message to be translated or the IPv6 message to be translated into a corresponding IPv6 message or IPv4 message by using the corresponding translation rules; and receiving the translated IPv6 message or IPv4 message by using the corresponding virtual port to perform routing and forwarding. The method can realize routing and IPv4 / IPv6 translation isolation for multiple slices / users on the basis of only configuring one IPv4 / IPv6 translation instance, and solves the limitations of traditional VRF and traditional IPv4 / IPv6 translation.

The application relates to an IPv6 single-stack evolution method, wherein an exit-layer IPv4 / IPv6 translation device is arranged at the exit of a core network, an access-layer IPv4 / IPv6 translation device is arranged at the entrance of the core network, and the core network only has IPv6 flow; the method comprises the following steps: the access-layer IPv4 / IPv6 translation device receives a transmission message sent by a terminal device, and transmits IPv6 flow to the core network; the transmission message is analyzed to determine whether IPv4 Internet or IPv6 Internet is accessed; when the terminal accesses IPv4 Internet, the terminal accesses IPv4 Internet after being translated by the exit-layer IPv4 / IPv6 translation device; and when the terminal accesses IPv6 Internet, the terminal directly accesses IPv6 Internet through the core network. The application can expand the core device according to the scale of the terminal and flow, can access various types of user terminals, can monitor IPv6 flow and terminals in real time to improve exit IPv6 flow, does not need to modify any configuration of the existing network, and does not need to make any prior configuration of the access-layer translation device.

The disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. A method and apparatus for transmitting a message in a wireless communication system provide: receiving, from a UE, a first message including an indication of a request type and a PDU session type, wherein the request type is associated with a request for a MA PDU session; receiving, from a PCF, a second message including PCC rules, wherein the PCC rules include MA PDU session control information; setting the PDU session type as an IPv4, an IPv6, or an IPv4v6 when the PDU session type is set to Ethernet and a steering functionality parameter in the MA PDU session control information is set to a MPQUIC-E; and transmitting, to a RAN, a third message including the PDU session type.

The invention discloses a visual monitoring method for connectivity of network equipment based on ICMP (Internet Control Messaging Protocol), which belongs to the field of network monitoring and comprises the following steps of: concurrently executing ICMPPing monitoring through multiple threads of a Python acquisition module to obtain data such as equipment connectivity state, delay and the like; the data processing module processes and classifies interrupt events through memory caching and a sliding window algorithm; the data storage module replaces a database with JSON fragment compression storage; the Web server pushes the data to the front end, and the data is displayed through ECharts in the form of a dynamic chart and a multicolor billboard, and the method does not need a database, is low in cost and high in efficiency, supports IPv4 / IPv6 dual protocols, is suitable for small and medium-sized enterprise networks and Internet of Things groups, and can visually present the state and trend of equipment.

The application relates to a hardware routing lookup table method based on segmented unified storage, which comprises the following steps: first, acquiring an IPv4 / IPv6 routing prefix, dividing the IPv4 / IPv6 routing prefix into 1-4 address segments according to 32 bits, allocating unique forward and backward segment identifiers to each segment, constructing a table item containing a segment identifier, 32-bit segment data and a next hop, and uniformly storing the table item into a same TCAM. When performing lookup, the address to be looked up is segmented according to the same rule, the TCAM is queried with the segment data as the key from the first segment, the backward segment identifier and the next hop are recorded after a hit, if the backward segment identifier is invalid, the corresponding next hop is directly returned, if the backward segment identifier is valid, the identifier and the next segment data are taken as a joint key to continue the query. When a miss or identifier verification fails, a table item with the longest prefix and the valid next hop in the matched segment is selected and the next hop is returned. The application can uniformly store IPv4 / IPv6 routing table items, improve the TCAM space utilization rate, and guarantee the hardware lookup efficiency.

This application discloses a dual-protocol stack adaptive switching method and system for smart locks. The method includes: acquiring current network operating status information, determining the availability of IPv4 and IPv6 protocol stacks based on this information, continuously detecting and judging the protocol availability status, and determining that a switching trigger condition is met when the abnormal state of either protocol stack is continuously satisfied a preset number of times. The method then switches the protocol stack currently used by the communication protocol to another protocol stack and establishes a communication connection based on the switched protocol stack. When a communication connection abnormality is detected, the communication connection is re-established using a preset reconnection strategy. When both the IPv4 and IPv6 protocol stacks meet the switching trigger condition, a degradation processing mechanism is executed to maintain the basic control capabilities of the smart lock device. This solution improves communication stability and mitigates the problem of erroneous switching triggered by network fluctuations.

The application discloses a visual simulation interaction platform and method supporting IPv4 / IPv6 dual stack network, relates to the field of IPv4 / IPv6 dual stack network configuration, and comprises the following steps: obtaining a user's topology construction operation on a virtual network device, and establishing an initial network topology; generating an IPv4 address and an IPv6 address for an interface; automatically injecting corresponding IPv4 direct connection routes and IPv6 direct connection routes in a routing table of the virtual network device; calling IPv4 protocol stacks and IPv6 protocol stacks in parallel and independently to process data packets; capturing information of IPv4 data streams and IPv6 data streams in real time, and simultaneously presenting transmission states of the two kinds of data streams in a visual interface by using different visual elements. The visual interaction realizes rapid construction of an IPv4 / IPv6 dual stack network topology, effectively reduces the operation complexity of dual stack network simulation, and improves simulation authenticity and observability.

The invention discloses a data transmission method, electronic equipment, a storage medium and a program finished product, and is applied to the technical field of network communication. The method is applied to gateway equipment, the gateway equipment is provided with a VPP module, the VPP module is provided with an IPv4 input node and an IPv4 rewriting node, and the method comprises the following steps: acquiring a current message received by a current receiving port; based on a pre-configured isolation identifier of a current receiving port, the isolation identifier of the current message is updated through an IPv4 input node, and the isolation identifier comprises a local area network isolation identifier and a wide area network isolation identifier; and based on the updated isolation identifier of the current message and an isolation identifier pre-configured by a destination port of the current message, message passing detection is carried out through the IPv4 rewriting node to obtain a detection result, and the detection result comprises passing or discarding. Therefore, the message passing or discarding is determined according to the isolation identifier through the efficient message processing capability of the VPP module, and a high-performance port dynamic isolation mechanism can be realized.

The invention discloses a domain name resolution method and device oriented to multiple network planes, and belongs to the technical field of domain name resolution. A service sends a domain name resolution request to a domain name resolution service; after receiving the request, the domain name resolution service checks whether a corresponding address in a validity period is stored in an equipment cache according to a resolution type; and when the analysis type is A and AAAA types, if the IPv6 address exists in the cache, returning the address to the service, and if the IPv4 address exists in the cache, returning the IPv6 address inquired by the DNS server to the service or returning the IPv4 address in the cache to the service when the IPv6 address is still not inquired in an overtime state. According to the method and the device, each service of the terminal equipment can customize the resolution type and the timeout duration according to own requirements, whether the corresponding IP exists in the cache of the equipment or not is inquired before polling the DNS server, the IP in the cache is directly returned when the target IP is not polled in a short time, the domain name resolution efficiency is optimized, and the user experience is improved.

The invention provides an IPv4 public and private network hybrid message forwarding method and device, applied to a destination node, and the method comprises the following steps: receiving a message transmitted by a source node through a pre-established segment identifier SID tunnel; whether the message is an IPv4 message or not is judged, if yes, the IPv4 message is processed, and an upper-layer message header of the processed IPv4 message is extracted; judging whether a source IP address in the upper-layer message header is within a private network IP address range recorded locally or not, and if yes, forwarding the IPv4 message to an interface connected with NAT (Network Address Translation) equipment; and otherwise, forwarding the IPv4 message by using a local IPv4 routing table. According to the method, automatic separation processing of the public network IPv4 flow and the private network IPv4 flow after passing through the SRv6 tunnel is realized through the SRV6 SID; therefore, the service processing flow is simplified, and the forwarding efficiency of the IPv4 public and private network mixed message is improved.