34 results about "Metropolitan area network" patented technology

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 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 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.

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).

The application relates to the technical field of optical fiber communication, and provides a single-span broadband multi-wave amplification method and system for a multi-island scene. C-waveband signals and L-waveband signals in C+L ultra-wideband signals transmitted by a single-mode optical fiber are divided into two paths to obtain single-waveband signals; each single-waveband signal is coupled with pump light and transmitted to a passive double-core optical fiber through a double-core fan-in device to obtain a to-be-processed signal; each to-be-processed signal is transmitted through the passive double-core optical fiber and is amplified at an asymmetric gain optical fiber to obtain a processed signal; each processed signal is transmitted through the passive double-core optical fiber and is combined through a double-core fan-out device to enter a single-mode optical fiber to continue transmission in a metropolitan area network, so that the problems of high cost and low gain in the prior art, the nonlinear problem of C+L waveband signals in the same fiber core and the loss and complexity problems caused by frequent use of fan-in and fan-out devices in the middle section of a transmission link are solved.

This application provides a fixed-mobile network converged communication system and method based on a millimeter-wave base station. The system includes: a Customer Premises Equipment (CPE) wirelessly connected to a user terminal device; a server wirelessly connected to the CPE; and a millimeter-wave base station wirelessly connected to the CPE. The CPE receives communication requests from the user terminal device and determines the user type. If the user is a fixed-line user, the communication request is sent to the server, enabling the server to access the fixed-line user's communication request into the metropolitan area network for processing. If the user is a mobile-line user, the communication request is sent to the millimeter-wave base station, enabling the millimeter-wave base station to access the mobile-line user's communication request into the 5G core network for processing. This application leverages the abundant millimeter-wave spectrum resources, combining the high reliability of fixed networks with the flexibility of mobile networks, to achieve full-scenario, full-coverage communication services, providing strong support for building a stable, efficient, and secure communication network.

This application discloses decoding methods, apparatuses, and computer-readable storage media, which may be applied to a plurality of scenarios such as a metropolitan area network, a backbone network, and data center interconnection. An example method includes: obtaining syndromes corresponding to a plurality of codewords; grouping the syndromes into groups; and sorting priorities of each group of syndromes; and selecting, based on a priority sorting result of each group of syndromes, a syndrome for decoding.

The application relates to a neural network-based metropolitan area network traffic prediction application method, and belongs to the technical field of network traffic, which comprises the following steps: data acquisition and preprocessing; dividing a training set, a verification set and a test set; using 70%, 20% and 10% of data to perform model training, optimization and evaluation; inputting traffic data into a double-layer stacked LSTM network to obtain hidden state information and extract time sequence features and dependency of network traffic; capturing long and short term dependency in traffic by using an encoder; extracting global dependency features by using a self-attention mechanism; using a decoder to gradually predict traffic data at multiple future time points; adopting an early stopping strategy in model training to prevent overfitting; performing inverse standardization processing on the model prediction result to restore the original scale; and evaluating the model prediction result. Through training and optimization of a deep learning model on historical data and feature data of the metropolitan area network, the application significantly improves the accuracy of IP network traffic prediction.

The present application relates to the technical field of communications, and discloses a data sharing method and apparatus, a device, a system, and a storage medium. An example in which a first device executes the method is as follows: the first device acquires device information of a second device by means of an information carrier, the information carrier being a medium carrying information, and the device information of the second device comprising information required for establishing a network connection with the second device; on the basis of the device information of the second device, the first device establishes a network connection between the first device and the second device, so that the first device and the second device communicate with each other by means of the network connection, the network type of the network connection comprising a local area network, a metropolitan area network, or a wide area network; and the first device shares data with the second device by means of the network connection. In the method, the method for acquiring device information is simple and convenient, the networking speed between devices is high, complex network configuration steps are not required, and operations such as data copying or account login are not required during the process; thus, the method is convenient and easy to implement, and improves the efficiency of data sharing.

The application relates to the technical field of task scheduling, and provides a metropolitan area network privacy protection computing migration task scheduling optimization method. Through Bayesian inference, the resource state of a computing node is processed in real time to determine a dynamic trust value in real time. Compared with static trust evaluation of the prior art, the real-time risk change of the computing node can be captured in real time, and the privacy leakage risk is significantly reduced. The privacy risk evaluation, task completion delay and 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, so that the generated optimization scheduling scheme not only meets the privacy security requirement, but also meets the delay and energy consumption demand. The actual behavior data of the computing node is continuously monitored and privacy compliance auditing is performed, and the privacy compliance performance is fed back to the Bayesian inference as new evidence to correct the node dynamic trust value, so that the long-term reliability and flexibility of task scheduling are significantly improved.

The invention discloses an educational metropolitan area network traffic management and optimization method based on an IPFIX protocol. The method comprises the following steps: step 1, traffic sampling and acquisition; step 2, data statistics and processing; step 3, data transmission and collection; and step 4, flow analysis and strategy adjustment. By deploying an IPFIX protocol, setting detailed flow definition parameters and combining a Hash algorithm, refined flow identification and classification are realized, key flow and common flow are effectively distinguished, congestion and resource waste are avoided, management efficiency is improved, a strategy is dynamically adjusted based on flow analysis, bandwidth is allocated in advance, priority scheduling and flow shaping are implemented, and the flow quality is improved. In addition, cross-device management is achieved through a unified protocol, dynamic decision making is achieved in combination with a machine learning algorithm, the manual intervention cost is reduced, the decision making efficiency is improved, and flow management is more intelligent and efficient.