101 results about "IPv6" patented technology

The invention resides in a computer-implemented communication method. The method comprises a mechanism for distributing blockchain and / or cryptocurrency-related communications such as alerts, notifications and updates across an electronic network to one or more recipients as efficiently and swiftly as possible. Embodiments may use IPv6 multicast to perform such improved communications. A communication can comprise a code, flag or filter which enables the communication to be targeted at particular recipient(s) and allow multicast group members that have no interest or authorised access to the contents of the communication to ignore it. Thus, improvements are provided in respect of processing resources and time. In some examples, the disclosure can be advantageous for the implementation of a blockchain-related alert key or system which can aid in network responses to emergencies or threats, thus improving the security of the blockchain network.

The invention relates to the technical field of IPv6 self-configuration, in particular to an IPv6 network mode self-adaptive configuration method and system based on an RA message. In the method, a finite-state machine establishes a state transition path according to the combination relation of M and O flag bits in an RA message cache set and prefix field content, converts a network mode recognition process into a quantifiable state judgment sequence, and sends the state judgment sequence to the RA message cache set; configuration ambiguity caused by flag bit fluctuation in traditional static judgment is eliminated, pattern recognition under network environment changes has continuity and self-consistency, the classification regression tree constructs a branch judgment path with the duration, the advertisement interval and the prefix consistency of an RA source as characteristic variables, an optimal node is selected through a hierarchical splitting algorithm, and the judgment accuracy is improved. The dynamic mapping of stateful and stateless configuration paths is realized, the misjudgment rate of configuration branches is reduced, and the address allocation delay is optimized, so that the IPv6 self-configuration has a structured decision-making capability and a parameter mapping self-optimization characteristic, and the connection reliability, the address generation speed and the configuration accuracy are improved.

The invention discloses a power data network wide area synchronous transmission system based on APN6 intelligent slicing, and relates to the technical field of power system communication, the service type of current transmission data is obtained through an identification embedding module, and a structured APN6 identifier is embedded in a Hop-by-Hop option header of an IPv6 extension header; the slice creation module judges whether retransmission is carried out or not according to CRC verification, dynamically creates multi-level slices according to time delay levels, and calculates an optical fiber refraction compensation value according to topological path coding; when the phase compensation module monitors that a line fault or a node is overloaded, different strategies are executed for slices of different levels, and transmission phases of slices around a fault area are adjusted through the signal modulation module; and when the slice capacity expansion module detects that the new energy cluster oscillates, bandwidth directional capacity expansion is executed according to the slice resource elastic scheduling framework. According to the method and the device, the data identification accuracy and the slice resource adaptability are improved.

This application provides a method, device, and system for forwarding BIER packets. The method includes: a first network device receiving a BIER packet sent by a second network device. The BIER packet includes an IPv6 header, a BIER header, and a multicast packet. The destination address in the IPv6 header or a first field in the BIER header carries a service identifier, which is used to identify a Virtual Private Network (VPN) instance. The first network device determines a Virtual Private Network (VRF) table based on the service identifier and a first correspondence, whereby the first correspondence includes the correspondence between the service identifier and the VRF table. The first network device then sends a multicast packet to a first User Edge (CE) device listed in the VRF table. The technical solution provided by this application is relatively simple to implement when the egress edge device identifies a VPN instance.

The application discloses a data transmission control method and device, a network element and a medium. The method comprises the following steps: when a data packet is received, a two-layer member link adjacency segment identifier corresponding to a segment routing based on an IPv6 forwarding plane of the data packet is acquired; a first forwarding path corresponding to the data packet is determined according to the two-layer member link adjacency segment identifier; when the first forwarding path has a fault, a processing mode corresponding to the two-layer member link adjacency segment identifier is determined, and the data packet is processed according to the processing mode. The application improves the flexibility of data packet transmission and processing.

The invention is suitable for the technical field of power internet of things security communication, and relates to a lightweight DTLS protocol optimization and dual-mode link secure transmission method, which is simple in process and convenient to operate, and realizes protocol lightweight by simplifying a DTLS handshake process and adapting to a lightweight encryption algorithm; through a link-key dynamic binding mechanism, a DTLS session key is associated with a PLC / RF link state, so that re-handshake during link switching is avoided; and the data transmission security is ensured by combining forward error correction and integrity verification. According to the invention, the handshake message is reduced by 40%, the computing power occupation is reduced by 35%, the link switching delay is less than or equal to 50ms, the IPv6 protocol and the DL / T645 power protocol are supported, the safety communication requirements of terminals such as low-voltage transformer area electricity meters and photovoltaic inverters are met, the method is compatible with an electric red operating system, and the reliability and the safety of dual-mode link transmission are improved.

This invention discloses a method for optimizing multicast paths in a specified source multicast SSM environment under IPv6, relating to the field of IPv6 multicast transmission technology. The method includes acquiring real-time network node status information and establishing a network performance model, quantifying the transmission cost and potential bottlenecks of each link in the path, and calculating the comprehensive transmission overhead estimate of the initial multicast forwarding path. A path evolution engine searches for a set of alternative forwarding paths in the network topology, calculates the comprehensive transmission overhead estimate of each alternative path, filters out a set of candidate optimized paths with lower overhead than the initial path, selects the path with the lowest overhead as the optimized multicast forwarding path, and forwards the multicast data to the receiver along this path. This invention can achieve accurate quantification of link-level transmission performance, adapt to real-time network status, determine the optimal path through two-level filtering, avoid link bottlenecks, reduce multicast transmission overhead, and improve the adaptability and transmission efficiency of IPv6 SSM multicast transmission.

The application discloses a domain name resolution method and device, electronic equipment and a storage medium, comprising: a mirror server synchronously acquiring and storing mirror data of an IPv6 root server; a plurality of edge leaf nodes are used as exit hot standby gateways, so that the edge leaf nodes receive access requests of clients to the IPv6 root server; receiving the access request returned by the edge leaf node, and resolving the access request according to the mirror data, and returning the obtained resolution result to the edge leaf node, so that the edge leaf node returns the resolution result to the client. In this way, the deployment of the IPv6 root server mirror on the edge of the new metropolitan area cloud network can be realized, the mirror server can directly serve the edge users, which is equivalent to the function of directly accessing the global IPv6 root server, is simpler and more effective than the traditional non-real-time and step-by-step resolution recursion, and significantly improves the efficiency and response speed of the IPv6 domain name resolution.

The invention discloses a website function accessibility evaluation method and device in an IPv6 single-stack environment, and belongs to the technical field of network function detection. The invention aims to solve the problem that in the prior art, website resource dependence and function accessibility cannot be comprehensively detected in an IPv6 single-stack environment. The method comprises the following steps: dynamically creating an isolated IPv6 single-stack network environment, starting a headless browser to capture all resource requests of a webpage, constructing a resource dependency graph, carrying out IPv6 reachability test on each resource, calculating a weighted accessibility score and generating a visual report. According to the method, the IPv6 single-stack user access behavior can be accurately simulated, the target website and all dependent resources of the target website can be comprehensively evaluated, a quantitative accessibility score and a visual dependency relationship visualization graph are provided, and accurate and operable diagnosis information is provided for website developers and operation and maintenance personnel.

The application provides an IPv6 message encryption and decryption method based on a quantum key application mechanism, which is realized by a sending end and a receiving end in cooperation, and the sending end and the receiving end exchange roles when transmitting back to realize the encryption transmission of messages in the opposite direction by the same processing procedure; the messages are directly encrypted by using quantum keys, and the message encapsulation uses the extensible characteristics of the IPv6 protocol, and a new extension message header is added in the header of the IPv6 message to record the parameters used for message encryption. The combination of the quantum key encryption and the message of the IPv6 is the innovation point in the application, the quantum key is directly used for encryption when the message is encrypted and decrypted, other key negotiation methods are not needed, and other network protocol negotiation keys are not needed, so that the scheme is safer and simpler. The application encapsulates the encrypted message by using the extensible characteristics of the IPv6 protocol, so that the encrypted message is still a standard IPv6 message, and the messages of the whole scheme follow the IPv6 protocol without additional protocol overhead.

The invention provides a service chain processing method and device, equipment, a storage medium and a program product, and relates to the technical field of communication, the method is applied to first equipment, the first equipment is gateway entrance equipment of a service chain, and the method comprises the following steps: receiving a service flow and analyzing an SID in the service flow; under the condition that the SID is analyzed to obtain a first function, an IPv6 message in the service flow is analyzed to obtain an application and network capability identifier; wherein the application and network capability identifier is used for indicating a service function (SF); and obtaining an outbound interface or an IP address to a next hop node corresponding to the SF indicated by the application and network capability identifier. Therefore, the service flow can be forwarded based on the outbound interface or the IP address, so that the SID is only used as the identifier of the network path, the coupling degree of the SID and the service is reduced, the number of the SID is reduced, and the routing complexity is reduced.

The present disclosure provides a message processing method and device and a communication system, relating to the field of communication. The method comprises: a first gateway receiving a first virtual extensible local area network (VxLAN) message from a first VxLAN in a first domain, the first VxLAN message comprising a first identifier of a second VxLAN in a second domain and a first load; the first gateway performing processing on the first VxLAN message to obtain a segment routing (SRv6) message, the SRv6 message comprising a second identifier of the second VxLAN, the first load and a path from the first gateway to a second gateway; and the first gateway sending the SRv6 message to an IPv6 network, so that the second gateway sends a second VxLAN message comprising the first identifier and the first load to the second VxLAN according to the second identifier, wherein the SRv6 message is forwarded along the path in the IPv6 network.

The application discloses an IPv6-oriented network layer analysis topology detection method, and belongs to the technical field of network space security, and the method comprises the following steps: based on the improved Back-to-Back detection packet, the shared path length between each two network target nodes in a network target node set is acquired through a covariance additive characteristic quantity with a penalty term; the two network target nodes corresponding to the maximum value of the shared path length are taken as a base node pair; the basic topology structure of the base node pair is inferred by using an SRv6 detection packet, and a parent node is obtained; the SRv6 detection packet is used to select an insertion position meeting a preset condition on the basis of the parent node, and neighbor nodes are added from bottom to top to form an overall topology structure; the overall topology structures acquired by different detection sources are topologically fused through the distribution characteristics of sub-tree leaf nodes, and the detection of a logical loop is realized; the method can improve the accuracy and recall rate of topology inference, and can be implemented in a large-scale IPv6 network.

The application relates to the technical field of smart grid communication, and discloses a smart substation path controllable network system and method based on IPv6 and white box switching. A centralized controller is used to gather link state information of each white box switch to construct a global topology view. Based on the view and a service demand vector, network service flow is optimized and evaluated to generate a path planning table. Then, the path planning table is translated and coded by a rule conversion module, and is sent to a programmable data plane of the switch through a southbound interface and is solidified into a hardware forwarding table. According to the path planning table, an access side switch matches a received original service packet, generates an IPv6 encapsulated packet with a path strategy expansion header, and finally performs destination address overwrite and hop-by-hop controllable forwarding along the path indicated by the expansion header to obtain a target service packet. In this way, the closed architecture of traditional underlying equipment is broken, and accurate control and high-reliability deterministic flexible transmission of the end-to-end path of massive service in a substation are realized.

A method, a device, and a system for implementing service path detection are provided. The method is applied to an SRv6 network, and includes: A first network device generates a first packet based on IPv6 and sends the first packet to a second network device, where the first packet includes a first indication and identification information of a service, and the first indication indicates that the first packet is a detection packet; and after receiving the first packet, the second network device detects, based on the first indication and the identification information of the service, a path for carrying the service.

The application provides an implementation method for limiting the bandwidth of IPv6, wherein the address of the IPV6 is placed on a CVK virtual machine or a single server in a VPC network; when the IPV6 accesses an external network, the data packet flow path is Leaf switch, Spine switch, VPC border firewall, Internet interface and router in sequence; the router and the VPC border firewall limit the bandwidth and flow of the IPV6; when the IPV6 is sold, the shared bandwidth is added; and when the IPV6 stops serving, the shared bandwidth is removed. The application has the beneficial effect that the router and the VPC border firewall are used to limit the bandwidth and flow of the IPV6, and the QOS strategy of the uplink and downlink ports on the router is used to realize the purpose of the flow limitation and flow statistics selling of the IPV6.

The application provides an IPv6-based intelligent network connection charging pile system, comprising an intelligent charging pile access platform, a plurality of IPv6-based charging piles of operators or individuals, a plurality of charging pile platforms of operators, a third-party new energy automobile application system, an electric vehicle with vehicle-mounted communication, and a supervision system. A layered system architecture is adopted, an IPv6 intelligent charging pile public and open access cloud platform and a general IPv6 intelligent charging pile network access chip / module of a city level are used, intelligent charging piles with independent networking and operation capabilities are produced, pure IPv6 end-to-end characteristics are used, individual and operator pile bodies can be smoothly accessed to the IPv6-based intelligent network connection charging pile system, the intelligent charging pile system is "decentralized and platform-free", and a platform and pile body M-N interconnection mode is created.

A first network device receives a BIER packet sent by a second network device, where the BIER packet includes an IPv6 header, a BIER header, and a multicast packet, a destination address of the IPv6 header or a first field of the BIER header carries a service identifier, and the service identifier identifies a virtual private network VPN instance. The first network device determines a VRF table based on the service identifier and a first correspondence, where the first correspondence includes a correspondence between the service identifier and the VRF table. The first network device sends the multicast packet to a first CE device in the VRF table based on the VRF table.

The invention particularly relates to a method for enhancing the reliability of an IPv6 gateway in a dual-stack mode of a cloud data center. According to the method for enhancing the reliability of the IPv6 gateway in the dual-stack mode of the cloud data center, a cooperative mechanism of dynamic monitoring-automatic recovery and static configuration-state verification is realized based on a dual guarantee scheme of real-time monitoring of a BFD detector and configuration file solidification. According to the method for enhancing the reliability of the IPv6 gateway in the dual-stack mode of the cloud data center, the failure recovery time of the IPv6 gateway can be shortened from the minute level to the second level, the stability and reliability of an IPv6 gateway server are greatly improved, the abnormal recovery time is shortened, the operation and maintenance complexity is reduced, and the popularization and application of an IPv6 dual-stack network are further promoted.

The invention discloses a segment identifier compression method oriented to a satellite network, which aims at the problem of high SRH head overhead caused by a relatively long path, and is characterized in that a 128-bit SID is compressed into a 32-bit C-SID in combination with satellite network topology position information, and the head length is reduced while segment routing semantics and programmable capability are maintained; one SID or 1-4 C-SIDs are loaded in a 128-bit segment identifier packaging unit carrier of the SRH, the C-SID, the SID and a filling unit are distinguished through CSI and C-Flag, and a segment list is traversed in combination with a segment index SL, so that unified identification and processing of the SID and the C-SID are realized; after the current C-SID takes effect, decoding the current C-SID to generate an IPv6 destination address for forwarding; according to the method, the SRv6 control plane protocol and the SRH fixed head format do not need to be modified, the SRH head overhead in the satellite network can be reduced, and the method is suitable for SRv6 service bearing in the satellite network.

This invention proposes a street-level IPv6 geolocation method based on graph neural networks to address the technical problem of low granularity in current IPv6 geolocation methods. The steps of this invention are as follows: Anonymize the obtained IP addresses and convert the latitude and longitude information of the landmarks into region codes; use a graph neural network to convert the processed node information into an attribute feature map; convert the edge feature information of the attribute feature map into edge weights through a learning-based approach; feed the node feature information into an improved GraphSAGE model, prune according to the edge weights, learn the information of neighboring nodes through convolution, and output the node information after node representation; combine the region code with the node attribute update matrix of the improved GraphSAGE model and put it into a hierarchical classification module for classification, outputting the target geolocation. This invention outperforms current IPv6 geolocation algorithms in terms of median error, average error, and maximum error.

This invention discloses a segment identifier compression method for satellite networks. Addressing the issue of high SRH header overhead due to long paths, this invention combines satellite network topology location information to compress a 128-bit SID into a 32-bit C-SID, reducing header length while maintaining segment routing semantics and programmability. One SID or 1-4 C-SIDs are carried within the 128-bit segment identifier encapsulation unit of the SRH, and C-SIDs, SIDs, and padding units are distinguished by CSI and C-Flag. The segment index SL is used to traverse the segment list, achieving unified identification and processing of SIDs and C-SIDs. After the current C-SID becomes effective, it is decoded to generate an IPv6 destination address for forwarding. This method does not require modification of the SRv6 control plane protocol and the fixed SRH header format, reducing SRH header overhead in satellite networks and is suitable for SRv6 service transport in satellite networks.

The invention belongs to the technical field of computer network communication, and discloses a cross-architecture communication method and system based on an SRv6 deterministic network. Comprising the following steps: a source node obtains a service flow, constructs an IPv6 message, and inserts an expansion head into a message header; allocating a deterministic service identifier to the service flow based on an SLA index of the service flow, and allocating a period label to the service flow based on a local synchronous clock and a scheduling period Tc algorithm; constructing a deterministic flow identifier option based on the deterministic service identifier and the periodic label, and writing the option into an expansion head; after acquiring and analyzing the IPv6 message by the forwarding node, querying a locally pre-configured resource mapping table based on the deterministic service identifier so as to map the IPv6 message to a Qos queue of the forwarding node; sending the IPv6 message in the Qos queue to a corresponding periodic resource unit based on the periodic label; and forwarding the IPv6 message in the periodic resource unit according to a preset SRv6 path. According to the invention, cross-architecture high-precision resource interconnection and intercommunication can be realized.

The invention belongs to the technical field of traffic monitoring, and particularly relates to an IPv6 traffic monitoring platform based on big data analysis, comprising an IPv6 traffic acquisition subsystem which acquires dynamic traffic in real time through a built-in dynamic traffic acquisition method based on big data and provides a data basis for subsequent traffic monitoring; the traffic encryption subsystem provides hardware support for an IPv6 security encryption method, realizes security encryption for network IPv6 traffic, and ensures traffic transmission and storage security; according to the intelligent encrypted traffic identification and abnormal traffic detection method, intelligent identification of encrypted traffic and accurate and efficient detection of abnormal traffic are realized under the support of an intelligent algorithm processing platform by designing an intelligent calculation algorithm; the IPv6 traffic visual monitoring platform realizes front-end interface design and functional module editing through Qt, Pycharm and MATLAB software compiling platforms, and displays traffic monitoring results in real time by combining a digital twinborn technology, including traffic information, a traffic identification result and an abnormal traffic detection result.

The invention discloses a DNS service scheduling system supporting dynamic load balancing. The system comprises a scheduling control plane, an authoritative DNS interface layer, a telemetering and state acquisition subsystem, a health assessment and admission control assembly, an address supply and backspacing mechanism and a change auditing and observability module. Through a multi-dimensional health scoring model fusing a CPU, a memory, a connection number, network quality, service quality and a topology label, predictive access, an elastic quota and an increment weight adjustment strategy are introduced, and second-level fault removal, recovery and capacity expansion and contraction convergence are realized. When abnormity occurs, a rapid removal-conservative recharge and static bottom-covering strategy is triggered, and high availability is guaranteed; gray release and A / B experiments are supported, and global oscillation is reduced. According to the method, the scheduling accuracy and experience consistency are remarkably improved in public DNS, IPv6 and large-scale scenes, avalanche is inhibited, resource utilization is optimized, full-link observability and auditing are provided, and the method has the advantages of being fast in convergence, high in stability, high in robustness and easy to operate and maintain.

The invention provides a network optimization method and device, equipment, a medium and a product, relates to the technical field of network optimization, and aims to solve the problem of how to improve the network quality in a region. The network optimization method comprises the following steps: acquiring account information corresponding to each family broadband account in a plurality of family broadband accounts in a to-be-optimized area, wherein the account information is used for representing position information corresponding to the family broadband account, flow use information and an equipment model of access gateway equipment; determining the supporting condition of the family broadband account for the IPv6 based on the flow use information; determining an abnormal equipment model and / or an abnormal region in the to-be-optimized region based on the support condition of the family broadband account in the to-be-optimized region for the IPv6; generating an equipment evaluation report based on the abnormal equipment model, wherein the equipment evaluation report is used for prompting a developer of the abnormal equipment model to upgrade the IPv6 function of the equipment; and / or adjusting the configuration of a broadband remote access server (BRAS) in the abnormal area or replacing forwarding equipment in the abnormal area.

The invention provides a tree storage method of an IPv6 routing table and related equipment. The method comprises the following steps: acquiring an IPv6 routing table corresponding to a predetermined router; for each routing address in the IPv6 routing table, carrying out decimal conversion on a network prefix in the routing address to obtain a first interval corresponding to the routing address; based on all the first intervals, sorting all the first intervals according to a preset sorting rule to obtain a sequence containing all the first intervals; based on the sequence, performing multiple rounds of position determination operation to obtain a storage node of each first interval in a pre-constructed tree-shaped storage structure; obtaining carrying information corresponding to each routing address, for each routing address, associating a first interval corresponding to the routing address with the carrying information corresponding to the routing address, and storing the associated first interval in a corresponding storage node to obtain a target tree-shaped storage structure, the technical problem of unreasonable storage of the IPv6 routing table in the router in the prior art is solved.

This application relates to a network access method, apparatus, communication device, and computer-readable storage medium. The method includes: in response to a network connection request initiated by a user through a terminal, the terminal sends a DHCP message carrying a first field to a server, and receives a feedback message generated by the server based on the DHCP message; if the feedback message carries a field value matching the first field, the terminal obtains IPv6 configuration parameters from a second field of the feedback message, and configures an IPv6 single-stack environment using the IPv6 configuration parameters to access the IPv6 single-stack network environment; otherwise, if the feedback message does not carry a field value matching the first field, the terminal configures a dual-stack environment to access the dual-stack network environment. This method can improve network access flexibility and efficiency, while reducing operation and maintenance costs, providing users with a better network connection experience.