52 results about "Metropolitan area network" patented technology

The invention relates to the technical field of task scheduling, and provides a metropolitan area network privacy protection computing migration task scheduling optimization method, the resource state of a computing node is processed in real time through Bayesian inference to determine a dynamic trust value in real time, and compared with static trust evaluation in the prior art, real-time risk changes of the computing node can be captured in real time, and the real-time trust value of the computing node is determined in real time. The privacy leakage risk is obviously reduced; the privacy risk estimation value, the task completion time delay and the task execution energy consumption are jointly used as optimization objectives of a multi-objective optimization function, and constraint conditions of the multi-objective optimization function are defined to ensure that the generated optimization scheduling scheme not only meets the privacy security requirement, but also can meet the time delay and energy consumption requirements; according to the method, actual behavior data of the computing nodes are continuously monitored, privacy compliance auditing is carried out, privacy compliance expression is used as new evidence to be fed back to Bayesian inference, dynamic trust values of the nodes are corrected, and long-term reliability and flexibility of task scheduling are remarkably improved.

This application discloses a decoding method applicable to multiple scenarios, including metropolitan area networks, backbone networks, and data center interconnections, to meet the needs of optical transmission. The method comprises: obtaining a syndrome corresponding to each of a plurality of codewords; grouping the obtained syndromes and prioritizing each syndrome group; and selecting a syndrome for decoding based on the priority ranking results of each syndrome group. Because this decoding method does not perform the same decoding process on every codeword, it avoids the problem of traditional static decoding schemes requiring the same number of decoding operations regardless of the correctness of the codeword itself. This method enables on-demand decoding, reducing the demand for decoding resources and power consumption.

The application aims to provide a two-stage decision-based multi-edge collaborative load balancing method in a wireless metropolitan area network. First, a centralized decision of load balancing is performed based on global information, wherein a prediction model based on a deep neural network (DNN) is designed to evaluate the task scheduling range between adjacent edges. Next, a decentralized decision of load balancing is performed based on local information, wherein an adjustment operation Q value prediction model based on a deep Q network (DQN) is designed to evaluate the load balancing scheme between edges. Finally, a target load balancing scheme is obtained through feedback control. Simulation experiments prove that TDB-EC can well adapt to a new environment and achieve multi-edge load balancing in seconds. In addition, TDB-EC is superior to three classical methods and achieves approximate optimal performance.

The present application discloses a fixed-mobile combined network communication system and method. The system includes: an operator edge device running in a metropolitan area network; a user edge device that accesses the user LAN based on the target IP address of the user service; a first communication link based on a wired network and a second communication link based on a wireless network located between the operator edge device and the user edge device, wherein the first communication link runs in the metropolitan area network, and the second communication link includes: a first virtual extended LAN tunnel endpoint connected to the user edge device, a second virtual extended LAN tunnel endpoint connected to the operator edge device, a virtual extended LAN tunnel between the first virtual extended LAN tunnel endpoint and the second virtual extended LAN tunnel endpoint, and the virtual extended LAN tunnel is logically isolated from the public network. The present application solves the technical problem in the related art that IP addresses cannot be shared when fixed networks and mobile networks are integrated into a network.

The application relates to a communication network twinning method and device, and belongs to the field of data twinning. The method comprises the following steps: respectively initializing configuration rules between a CN2 bearer network and a PON network and a metropolitan area network; classifying data in the configuration rules into template data; obtaining a to-be-twinning communication network task of a target user; calling circuit topology data of a province side and backbone side of the to-be-twinning communication network task in the form of the template data; performing front-end splicing verification on the circuit topology data of the province side and the backbone side according to the configuration rules; if the verification is passed, the method proceeds to step S7, otherwise, the method proceeds to step S6; outputting a splicing abnormity prompt and terminating splicing; splicing the circuit topology data of the province side and the backbone side to obtain twinned topology data of the to-be-twinning communication network task; and lowering the twinned topology data to the target user. The method improves the twinning efficiency and accuracy of the communication network.

The invention relates to an internet architecture and a service bearing method and device. The Internet architecture comprises a storage system, an access network of a target optical network, a metropolitan area network and an intelligent computing center. Wherein the storage system comprises a storage server which is used as a source end of RDMA (Remote Direct Memory Access) traffic; the access network comprises an optical line terminal OLT and an optical network unit ONU, the storage server is accessed to the optical line terminal OLT through the optical network unit ONU, and the optical line terminal OLT is used for dynamically distributing bandwidth for RDMA flow; the metropolitan area network comprises a first node device and a second node device. The first node device is connected with an optical line terminal OLT and the second node device. And the intelligent computing center is used as a destination end of RDMA traffic, and deploys a computing power cluster to be connected with the second node equipment so as to access the storage data of the storage server through the target optical network. According to the invention, cross-domain, efficient and lossless interconnection of storage and computing resources can be realized.

The invention provides a wireless metropolitan area network access method and device, and the method comprises the steps: in a process of accessing a user side to a metropolitan area network public network, the metropolitan area network public network comprises a central terminal and an edge terminal, the metropolitan area network public network employs distributed network deployment, a virtual consensus mechanism is established between the edge terminal and the central terminal, and the edge terminal is connected with the central terminal; when the public network receives an access request of a user side, sending a consensus message to a central side and an edge side of the public network through the virtual consensus mechanism; determining a first hub end of the hub ends, and receiving response messages of the other hub ends and the edge ends through the first hub end; the first central terminal is determined through the computing power priority in the public network; and performing statistics on each response message through the first central terminal to obtain a response rate, and when the response rate is higher than a preset threshold value, sending a permission instruction of the user terminal to allow the user terminal to access the metropolitan area network public network.

The invention relates to a federal learning training method and device, computer equipment and a storage medium. The method comprises the following steps: receiving a federal learning training application request sent by each federal node; sending a qualification authentication request of each federated node to an authentication cloud server according to the federated learning identity label and the federated learning qualification validity period of each federated node; determining a target federated node according to a qualification authentication result returned by the authentication cloud server; determining a federal learning deadline according to the federal learning time window of the target federal node; sending the federal learning deadline of the target federal node to the target federal node; the target federal node is used for participating in federal learning training within the federal learning deadline. According to the content, the compliance of all the target federated nodes is guaranteed, the safety of federated learning training is improved, the multi-source heterogeneous data in the metropolitan area network can be aggregated through federated learning training, and the generalization ability and accuracy of the federated learning model are improved.

Aspects of the subject disclosure may include, for example, selecting between paths for traffic to be routed between a communication device and an application of a cloud service provider, where the selecting is based on receiving or otherwise obtaining a local path identifier (e.g., announced by a local RIB associated with an intra-metro network over which a local path is connected); and routing the traffic between the communication device and the application of the cloud service provider via the local path responsive to the local path identifier, where the local path bypasses or otherwise avoids an MPLS core, and where a non-local path of the paths is over the MPLS core. Other embodiments are disclosed.

The invention provides a network element access method and system, a metropolitan area network and an access network element, and the method is applied to the metropolitan area network, and comprises the following steps: according to a pre-configured first interface attribute of an access network element side and a second interface attribute of a non-access network element side, obtaining a first interface attribute of the metropolitan area network; when the non-access network element is online and serves as a second attribute node, the non-access network element communicates with the access network element serving as the first attribute node, and is isolated from other second attribute nodes; and completing the on-line of the non-access network element by forwarding the message between the non-access network element and the access network element which are intercommunicated, so that the access network element configures the on-line non-access network element under the control of the controller. By means of the method, the access network element is allowed to serve a larger range of non-access network elements in a centralized mode through the metropolitan area network, the network architecture is simplified, the total number of the access network elements in the network is greatly reduced, then the manual configuration and deployment time of the access network elements is shortened, and more efficient and more centralized automatic network management in a super-large scale scene is achieved.

This invention provides a networking system, networking method, apparatus, device, and computer storage medium. The system includes a network management server, and an optical gateway and an optical router connected to the network management server. The optical gateway includes a first uplink optical interface and multiple downlink optical interfaces. One end of the first uplink optical interface is connected to a metropolitan area network (MAN), and the other end is connected to the multiple downlink optical interfaces. The optical router includes multiple second uplink optical interfaces and multiple Ethernet ports. The second uplink optical interfaces are correspondingly connected to the downlink optical interfaces, and the multiple second uplink optical interfaces and multiple Ethernet ports are connected together. This apparatus can reduce the probability of service interruptions due to link disruptions.

The invention discloses a home terminal identification method combining IPv6 session affiliation and User-Agent fingerprints, and belongs to the technical field of computer network data mining and user portray.The home terminal identification method comprises the steps that a virtual human ID is built based on the IPv6 session affiliation, the virtual human ID is built based on the User-Agent fingerprints and behavior conflict detection, and the user portrayal identification is completed. The method comprises the following steps of: summarizing a result of constructing a virtual human ID (Identity) based on IPv6 (Internet Protocol Version 6) session attribution and a result of constructing the virtual human ID based on User-Agent fingerprint and behavior conflict detection, and generating a unique virtual human ID list with more comprehensive coverage for a home broadband account. A multi-dimensional analysis method is used for carrying out automatic and high-precision identification and division on various terminal devices in a user network; the invention provides a terminal division method set comprising two independent, parallel and complementary technical paths, and aims to enlarge the coverage range of terminal identification and improve the accuracy of identification through analysis of different dimensions.

The invention provides a metropolitan area network relay capacity expansion method and device, equipment and a storage medium, and relates to the technical field of communication, and the method comprises the steps: obtaining capacity expansion resource information in response to a capacity expansion application of a target relay, and carrying out the pre-configuration of a capacity expansion application work order based on the capacity expansion resource information; obtaining respective service issuing templates of the superior equipment and the subordinate equipment according to respective equipment information of the superior equipment and the subordinate equipment in the capacity expansion application work order; filling respective service issuing templates of the superior equipment and the subordinate equipment according to the capacity expansion application work order to obtain a pre-configuration issuing template containing pre-configuration information, and issuing the pre-configuration issuing template to the superior equipment and the subordinate equipment; and after issuing of the pre-configured issuing template is completed, capacity expansion service loading is carried out on the capacity expansion application work order, a target capacity expansion work order is generated, and the target capacity expansion work order is issued to the upper-level equipment and the lower-level equipment, so that capacity expansion is carried out on the target relay by the upper-level equipment and the lower-level equipment. According to the method provided by the invention, the technical effect of improving the relay capacity expansion efficiency is realized.

The application discloses a data sharing method and device, equipment, system and storage medium, and relates to the technical field of communication. Taking the first device as an example, the first device obtains the device information of the second device through an information carrier, the information carrier is a medium carrying information, and the device information of the second device comprises information required for establishing a network connection with the second device; the first device establishes a network connection between the first device and the second device based on the device information of the second device, so that the first device and the second device can communicate with each other through the network connection, and the network type of the network connection comprises a local area network, a metropolitan area network or a wide area network; and the first device shares data with the second device through the network connection. The method is simple and convenient in the way of obtaining device information, fast in networking between devices, and does not require complex network configuration steps, and does not require copying data or logging in an account during the process, so that the method is easy to implement and improves the efficiency of data sharing.

The invention discloses a novel metropolitan area network multi-rule three-layer circuit automatic discovery method and device, and the method comprises the steps: collecting and storing the port basic data of whole network equipment; querying the ports according to a forward rule, and further filtering the ports according to a reverse rule; dividing the available ports into public network address ports and private network address ports according to address ranges to which the ports belong, grouping the public network address ports and the private network address ports, and pairing the ports in pairs in each group according to a sequence; setting the circuit direction of the two paired ports according to the attribute levels of the equipment to which the ports belong or the IP sizes of the ports, filling circuit information, and judging circuit attributes according to the name regularities of the equipment at the two ends, the alias regularities of the ports and the attributes of the equipment at the two ends; and comparing the current discovery circuit with the existing circuit according to the comparison logic of adding, modifying and deleting and the operation switch, automatically or manually confirming, storing and generating a historical record. According to the method and the device, different types of circuit scenes can be automatically processed, and the direction and the attribute of the circuit can be flexibly constructed.

The invention discloses a novel metropolitan area network new network access equipment detection rule flexible configuration method and device, and the method comprises the steps: defining full basic elements in a database, including detection items, network access detection links and network access detection link classification, and building an incidence relation between the network access detection link classification and the network access detection links, configuring a network access detection group and a network access detection rule through page operation; after a single device is input through the page, setting the receiving and managing state of the device as a to-be-received and managed state by default, automatically matching a corresponding network access detection rule according to the attribute of the device, and performing detection step by step according to the levels of network access detection links, network access detection groups and detection items; and displaying the detection detail data of the equipment in a layered manner through the page. According to the method and the device, through the whole-process design of standardized configuration, automatic execution and visual display, high efficiency, standardization and controllability of network access equipment detection are realized, and meanwhile, the strict requirement of equipment access management is met.

The invention provides a metropolitan area network service data bearing method, a metropolitan area network service data bearing device, a communication system and communication equipment, relates to the technical field of communication and is used for improving communication performance. The method comprises the following steps: under the condition that a first optical line terminal accesses metropolitan area network access equipment in an access mode based on double-layer virtual local area network (VLAN) encapsulation, if the metropolitan area network access equipment receives first service data sent by the first optical line terminal, the metropolitan area network access equipment sends the first service data to the first optical line terminal; packaging into a pre-established first Ethernet virtual private local area network service instance; wherein the first service data carries an outer-layer VLAN label; and the metropolitan area network access equipment forwards the first service data to the user plane of the broadband core network through the user side metropolitan area network edge equipment which is in butt joint with the user plane of the broadband core network through the first Ethernet virtual private local area network service instance. The application is applied to a scene of transmitting the service data of the user.

The invention relates to a traffic management and control system, method and device, computer equipment, a computer readable storage medium and a computer program product. According to the system, connection establishment between the PCDN server and the real users can be avoided through the estimated number of the real users in the metropolitan area network and configuration of the virtual users with the number exceeding the number of the real users, most of flow is transmitted to the real users through the PCDN virtual users, effective control over the flow of the PCDN is achieved, and the user experience is improved. According to the method, the uplink bandwidth required by traffic transmission is converted into the downlink bandwidth, balanced distribution of network resources of a metropolitan area network is realized, and efficient, high-accuracy and low-cost identification of abnormal traffic and risk traffic in PCDN traffic can be realized through traffic identification of a virtual user side. And the traffic control performance and the abnormity identification performance of the traffic control system are improved.

The invention discloses an IMS service cross-city disaster recovery protection method and device, a medium and a product, and relates to a core network and bearing technology, and the method comprises the steps: obtaining the log information of a network management system; the log information comprises fault information; determining a fault type according to the fault information; the fault type comprises a local metropolitan area network fault, a local session boundary controller fault and a local IP bearer network fault; and finally, performing different processing according to different fault types and connecting to a second route, and transmitting service data by using the second route. According to the method and the device, when the fact that the log information has the fault information is obtained, the fault type is firstly judged, and the second route is connected by using different methods under the condition of different fault types, so that normal transmission of IMS service data can be ensured under the condition that the communication link has the fault.

This invention discloses a home terminal identification method combining IPv6 session ownership and User-Agent fingerprinting, belonging to the field of computer network data mining and user profiling technology. It includes constructing virtual human IDs based on IPv6 session ownership and constructing virtual human IDs based on User-Agent fingerprinting and behavioral conflict detection. The results of constructing virtual human IDs based on IPv6 session ownership and User-Agent fingerprinting and behavioral conflict detection are summarized to generate a more comprehensive list of unique virtual human IDs for home broadband accounts. This invention provides a technology for automated and high-precision identification and classification of various terminal devices in a metropolitan area network (MAN) home broadband environment through multi-dimensional analysis. This invention offers a set of terminal classification methods that include two independent, parallel, and complementary technical paths, aiming to expand the coverage of terminal identification and improve the accuracy of identification through analysis from different dimensions.

The invention discloses a method for verifying an SRv6 forwarding path, and the method and system for verifying the SRv6 forwarding path are mainly used for providing an efficient, low-overhead and dynamically adaptive path verification solution for an SRv6 network. The method is specifically suitable for a hybrid network scene (such as an SRv6 deployment scene of a metropolitan area network, a wide area network, an industrial internet and the like) containing edge nodes (resource limitation) and core nodes (resource sufficiency), realizes accurate identification and differential verification of the edge nodes in an SRv6 forwarding path, adapts to the characteristics of an edge node CPU (Central Processing Unit) and bandwidth resource limitation, and has a wide application prospect. While the verification integrity of a core network segment is guaranteed, the verification overhead and the network transmission burden of the edge node are reduced, the dynamic adjustment of a verification strategy is supported, the resource state fluctuation of the edge node is coped, the continuous reliability of path verification is ensured, and the security of the verification process is guaranteed through a dynamic key mechanism. And security risks such as path hijacking and data tampering are prevented.

Aspects of the subject disclosure may include, for example, selecting between paths for traffic to be routed between a communication device and an application of a cloud service provider, where the selecting is based on receiving or otherwise obtaining a local path identifier (e.g., announced by a local RIB associated with an intra-metro network over which a local path is connected); and routing the traffic between the communication device and the application of the cloud service provider via the local path responsive to the local path identifier, where the local path bypasses or otherwise avoids an MPLS core, and where a non-local path of the paths is over the MPLS core. Other embodiments are disclosed.

The application provides a kind of metropolitan area network broadband access method, system, equipment and storage medium, it is related to broadband access technical field, the method comprises: obtaining BRAS pool information;According to BRAS pool information, the total number of devices of BRAS is determined, first configuration information is generated, and the first configuration information is used to configure OLT to set S-VLAN;According to BRAS pool information, second configuration information is generated, and the second configuration information is used to make BRAS correspond to S-VLAN and BRAS priority response corresponding S-VLAN user access request and make each BRAS form chain backup relationship. Even several BRAS cannot respond, other BRAS can backup response, maintain broadband access service effectively improve reliability, by OLT setting S-VLAN corresponding to BRAS, the mode that BRAS priority response corresponding S-VLAN makes user service load more uniform.

The application provides a fault detection method and device and a storage medium, relates to the technical field of communication, and is used for solving the problem of low efficiency of manual fault checking in the prior art. The method comprises the following steps: acquiring a plurality of first test information sent from a plurality of source nodes to a destination node; the plurality of source nodes are nodes in a plurality of metropolitan area networks in a first region; the destination node is a node in a second region; determining the number of abnormal test information from the plurality of first test information, and determining a fault region according to the number of abnormal test information; acquiring a plurality of second test information sent from the plurality of source nodes to the destination node corresponding to the abnormal test information; and determining the node position of a fault node according to the plurality of second test information and the fault region. The application improves the efficiency of fault detection.

A transmission method for optical communication and a related device and system are provided, which may be applied to various scenarios such as a metropolitan area network, a backbone network, and data center interconnect of over 400 Gbps (including 600 Gbps, 800 Gbps, and the like). The method includes: generating a super-frame including a plurality of sub-frames; and transmitting the super-frame, wherein each sub-frame includes training symbols and pilot symbols, and each of the training symbols and the pilot symbols is one of −A−Aj, −A+Aj, A−Aj, and A+Aj, A being a real number. In addition, in the training symbols and the pilot symbols included in each sub-frame, quantities of −A−Aj, −A+Aj, A−Aj, and A+Aj in two mutually perpendicular polarization directions meet specific requirements, so that direct current balance can be achieved, which helps a receiver end restore a signal.

The invention relates to the technical field of optical communication, and discloses an optical module and optical communication equipment. The optical module comprises a laser, a photoelectric conversion assembly and an optical transmission structure, the laser and the photoelectric conversion assembly are connected through the optical transmission structure, the optical transmission structure comprises a hollow cover body or optical path glue, coherent light emitted by the laser can be transmitted to the photoelectric conversion assembly through a hollow cavity defined by the hollow cover body, or the coherent light is transmitted to the photoelectric conversion assembly through the optical path glue. And the light can be transmitted to the photoelectric conversion assembly through the light path adhesive. Thus, the overall cost of the optical module can be reduced, optical communication equipment can be conveniently sunk into a metropolitan area network on a large scale for application, and the hollow cover body or the optical path adhesive can isolate coherent light from external impurities, so that the transmission quality of the coherent light is improved.

The application discloses a physical layer perception dynamic resource allocation method and system for an elastic optical network, and solves the technical problems of existing schemes, such as conservative modulation selection, lack of physical layer perception, poor stability of reinforcement learning, low spectrum utilization rate and high service blocking rate. The method receives a dynamic service request, obtains a network state, generates a candidate path, extracts service, spectrum, physical layer and transmission feasibility features to construct a state vector, outputs a path-modulation joint decision through a reinforcement learning model, calculates a spectrum slot according to a modulation format, searches for a spectrum block meeting a constraint, performs QoT transmission quality verification, generates a reward according to a service establishment result, and iteratively updates model parameters through a reward centralization mechanism. The application improves the learning stability and decision accuracy of the model, realizes dynamic and flexible selection of modulation formats, fully excavates the physical layer transmission margin, improves the spectrum utilization rate and reduces the service blocking rate, and can be adapted to multiple scenes such as backbone networks, metropolitan area networks and data center interconnections.

The application discloses a kind of virtualized terminal management systems, and is connected with ONU terminal by metropolitan area network and interaction, including ACS application server and the virtual machine cluster configured on each ACS application server, virtual machine cluster includes first virtual machine, second virtual machine and third virtual machine, at least one CMWP SRV component is respectively configured on first virtual machine and second virtual machine, one load balancing component and one data cache component with different IP address are further configured on first virtual machine, one server application component is respectively configured on each third virtual machine.The terminal management system of the application realizes the cache of massive high-speed interaction data, to some extent, avoid the overload of terminal management system caused by the large amount of data due to the large number of ONU terminal, improve the installation efficiency of terminal equipment optical modem initial setting, ONU terminal is effectively managed, and user experience is improved.

This disclosure relates to a method and device for providing Ethernet Virtual Private Network (VPN) services, and a metropolitan area network (MAN). The method includes forwarding Media Access Control (MAC) addresses based on a bridging domain MAC routing table to provide VPN services. This disclosure defines a novel MAC forwarding mechanism that eliminates the need for VLAN replanning and configuration changes to the relevant OLT (Optical Line Terminal).