83 results about "Metropolitan area network" patented technology

The invention relates to a metropolitan area network traffic prediction application method based on a neural network, and belongs to the technical field of network traffic. Dividing a training set, a verification set and a test set; 70%, 20% and 10% of data are used for model training, optimization and evaluation; inputting the traffic data into the double-layer stacked LSTM network, obtaining hidden state information and extracting time sequence characteristics and dependency of network traffic; capturing a long-term and short-term dependency relationship in the flow by using an encoder; global dependency features are extracted through a self-attention mechanism; gradually predicting flow data of a plurality of time points in the future by adopting a decoder; an early stop strategy is adopted in model training to prevent overfitting; carrying out anti-standardization processing on a model prediction result, and recovering an original scale; and evaluating a model prediction result. According to the invention, training and optimization of the deep learning model are carried out on the historical data and the feature data of the metropolitan area network, so that the accuracy of IP network traffic prediction is remarkably improved.

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.

A coding method and apparatus for data communication are provided, and may be applied to a plurality of scenarios such as a metro network, a backbone network, and a data center interconnection. As an example method, a first codeword is formed, where the first codeword includes n image bits and n to-be-transmitted bits. The n image bits are selected from to-be-transmitted bits in m source codewords. The m source codewords are formed before the first codeword. Both n and m are positive integers, and n>m; The n to-be-transmitted bits in the first codeword are sent. The bit in the first codeword can be protected by a plurality of codewords generated at different moments. In addition, the bit in the codeword can be protected by different quantities of codewords.

The invention provides a request scheduling method, which is executed by a scheduling system, the scheduling system is connected with an access network, the access network comprises at least one edge acceleration end, the scheduling system is used for scheduling a service request to the edge acceleration end for access acceleration, and the method comprises the following steps: the scheduling system receives a service request sent by a terminal, the service request carries an identifier of an edge acceleration end to which the terminal belongs, then the scheduling system queries a target edge acceleration end stored with request content according to the identifier of the request content of the service request, and when the identifier of the edge acceleration end to which the terminal belongs is successfully matched with the identifier of the target edge acceleration end, the terminal belongs to the target edge acceleration end. And the scheduling system schedules the service request to an edge acceleration end to which the terminal belongs. Therefore, the time delay between the terminal and the edge computing end can be greatly reduced, the terminal and the edge computing end to which the terminal belongs transmit data through the intranet, the transmission speed is not limited by a metropolitan area network, and the method has important significance on edge computing application with low time delay and high rate.

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 invention provides an internet cross-regional traffic settlement method and device and electronic equipment, and the method comprises the steps: obtaining cross-regional traffic data of a plurality of time periods, encrypting the traffic data of the plurality of time periods to obtain corresponding Hash values, enabling the traffic data to at least comprise real-time traffic and a settlement rate, and enabling the real-time traffic and the settlement rate to be different from each other; the traffic types of the real-time traffic include IDC traffic, metropolitan area network traffic and CDN traffic; according to an intelligent contract of the Internet, the traffic data is written into a block chain of the Internet, and the traffic data of each time period comprises a hash value of the traffic data of the current time period and a hash value of the traffic data of the previous time period; and according to the traffic data of each time period of the uplink, determining traffic settlement fees of the plurality of time periods, and paying the traffic settlement fees to the target area. The problem of inaccurate Internet cross-regional traffic fee settlement in the prior art is solved.

The invention discloses a lost terminal identification method and system oriented to a metropolitan area network and a medium, and relates to the technical field of digital communication, and the method comprises the following steps: carrying out light splitting processing on metropolitan area network flow, obtaining a domain name request analysis message flow, and carrying out formatting processing; identifying risk domain names through dual-order matching with malicious domain names in a threat intelligence library; and based on the matching of the risk domain name and the unit IP library, identifying a lost unit, deploying a security DNS device at an exit of the lost unit to collect an internal domain name request, and finally matching an internal record to identify a lost terminal. According to the invention, the technical problem that the traditional network security protection cannot timely and accurately identify and position the lost terminal controlled by an attacker in the metropolitan area network in the prior art is solved, and the technical effect of quickly and accurately identifying and positioning the lost terminal through multi-level data matching and internal and external network flow analysis is achieved.

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.

This application discloses a transmission method for optical communication. The method is applicable to multiple scenarios exceeding 400Gbps (including 600Gbps, 800Gbps, etc.), such as metropolitan area networks, backbone networks, and data center interconnects. The method includes the steps of generating a frame including a plurality of symbols, in one polarization direction, the frame being N FAW Frame alignment word symbols, N PS pilot symbols, and N RES reserved symbols, one symbol out of every M symbols in the frame is a pilot symbol, and N FAW +N RES =M or N FAW +N RES +1=M, and each of the frame alignment word symbols and pilot symbols is one of -A-Aj, -A+Aj, A-Aj, and A+Aj, where A is a real number, and transmitting the frame.

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 present invention belongs to the field of electric communication and relates to a smart manhole cover with highly reliable wireless communication, which includes a sensor unit, a communication unit, and a control and scheduling unit. The communication unit includes a metropolitan area network communication module and a private communication protocol module. When the metropolitan area network communication module of the smart manhole cover cannot access the metropolitan area network, or when it detects a self-organizing network request from surrounding Internet of Things devices, the private communication protocol module is activated. The private communication protocol module adopts a connectionless mode, which can increase the communication distance and reduce the communication cost. The communication network topology mode is that one wireless Internet of Things device corresponds to n data gateways. Even when most of the data gateways are damaged, it will not affect the transmission of emergency and alarm information, and can effectively improve the reliability of Internet of Things data transmission in an emergency state. The communication unit adopted by the present invention only needs to have a metropolitan area network communication module and a private communication protocol module at the same time, which can not only control the cost but also improve the reliability of data communication.

The invention provides a fixed-mobile network converged communication system and method based on a millimeter wave base station, and the system comprises customer preposed equipment CPE which is in wireless connection with user terminal equipment; the server is wirelessly connected with the CPE equipment; the millimeter wave base station is wirelessly connected with the CPE equipment; the CPE equipment is used for receiving a communication request from user terminal equipment and judging a user type; if the user is a fixed network user, sending the communication request to a server, so that the server accesses the communication request of the fixed network user to a metropolitan area network for processing; and if the user is a mobile network user, sending the communication request to a millimeter wave base station, so that the millimeter wave base station accesses the communication request of the mobile network user to a 5G core network for processing. According to the invention, the advantage of abundant millimeter wave spectrum resources is utilized, and the high reliability of a fixed network and the flexibility of a mobile network are combined, so that the full-scene and full-coverage communication service is realized, and powerful support is provided for constructing a stable, efficient and safe communication 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 a request response method, an ICN network element, a device, equipment, a medium and a program product. The method is applied to an ICN center node deployed in an ICN element of a metropolitan area network, the ICN element comprises the ICN center node and a plurality of ICN edge nodes, each ICN edge node is in communication connection with the ICN center node, and the method comprises the following steps: firstly, the ICN center node receives a target ICN service request which is sent by a first ICN edge node and is used for requesting target data content, and then, the first ICN edge node sends the target ICN service request to the first ICN edge node; and determining whether a second ICN edge node storing the target data content exists in the ICN network element according to the target ICN service request, and if the second ICN edge node exists, forwarding the target data content stored in the second ICN edge node to the first ICN edge node. By adopting the method, the hit rate of the edge node can be improved, and the back-to-source flow is avoided.

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.

This application discloses a transmission method for optical communication, 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, where 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 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.

The present invention discloses a method, system and medium for identifying compromised terminals for a metropolitan area network, which relates to the field of digital communication technologies. The method includes: performing optical splitting on the metropolitan area network traffic, obtaining the domain name request resolution message stream, and performing formatting processing; identifying risk domain names by performing two-stage matching with malicious domain names in the threat intelligence library; matching based on the risk domain names and the unit IP library to identify compromised units, and deploying a secure DNS device at their exits to collect internal domain name requests, and finally matching internal records to identify compromised terminals. The present invention solves the technical problem in the prior art that traditional network security protection cannot timely and accurately identify and locate compromised terminals controlled by attackers in the metropolitan area network, and achieves the technical effect of realizing the rapid and accurate identification and location of compromised terminals through multi-level data matching and internal and external network traffic analysis.

The embodiment of the invention discloses an automatic test system and method for metropolitan area network access equipment. The automatic test system comprises a controller, a main test module, an auxiliary test module and tested equipment, the controller is used for determining a target test scheme according to the test requirement of the tested equipment, and constructing a simulation network topological structure and configuring simulation network parameters based on the target test scheme; the simulation network topology structure is sent to the main test module, and simulation network configuration parameters are sent to the auxiliary test module; the main test module is used for automatically testing the tested equipment in the simulation network according to the simulation network topology structure; an automatic test result is transmitted to the controller; and the auxiliary test module is used for configuring the simulation network based on the configuration simulation network parameters. According to the system provided by the embodiment of the invention, the simulation network topology structure can be constructed, and the tested equipment is automatically tested according to the constructed simulation network topology structure, so that the automatic test of the metropolitan area network access equipment is realized.

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 an end-to-end series management system, which relates to the technical field of communication and comprises user equipment UE, an optical network unit ONU, an optical splitter POS, an optical line terminal OLT and metropolitan area network equipment. The OLT is connected with a metropolitan area network device through a first uplink, the metropolitan area network device is connected with a metropolitan area side network, an association relationship between the SR and the OLT is established in the SR, and an association relationship between the BRAS and the OLT is established in the BRAS; the OLT is connected with the ONU through the POS, the incidence relation between the OLT and the POS is established in the OLT, and the incidence relation between the POS and the ONU is established in the POS; the ONU is connected with the UE, and an association relationship between the ONU and the UE is established in the ONU. Therefore, the UE can perform cross-domain data acquisition, comprehensive monitoring and management of the UE, the ONU, the POS, the OLT and the metropolitan area network equipment are realized, and a user is ensured to clearly understand and control the whole link of the broadband service. When the network has a fault, a user can quickly and accurately locate the position of the fault according to the association relationship established in a cross-domain manner, so that the time for removing the fault is shortened.

The invention discloses a method and device for identifying an IP address of an IDC service running illegally in a metropolitan area network, and the method comprises the steps: S01, defining a description rule of a downlink IDC circuit port of the metropolitan area network, and automatically discovering the downlink IDC port information of the metropolitan area network based on the description rule; s02, the system forms a metropolitan area network downlink IDC port set according to the discovered IDC port information; s03, on the basis of the Netflow data of the formed metropolitan area network downlink IDC port set, acquiring an IP address library for operating the IDC service in the metropolitan area network; and S04, starting a timer by the system, and automatically and synchronously updating the IP address base of the lower IDC of the metropolitan area network every day to a flow analysis system for analysis. According to the method and the device for identifying the IP address of the IDC service running illegally in the metropolitan area network, the IP address of the IDC service running in the metropolitan area network can be accurately identified through automatic analysis and manual confirmation, the method and the device have an IDC IP address learning function, manual intervention is reduced, and rapid identification, confirmation and dynamic updating of an IDC IP address field can be realized.

The invention discloses a broadband core network deployment method based on forwarding and control separation. A broadband core network control plane is deployed in a provincial centralized manner and is deployed in a different-address or different-place 1 + 1 hot standby manner; broadband core network user planes are deployed in a centralized manner according to cities and different local addresses are in 3 + 1 warm standby; control planes of the broadband core network communicate with each other through MER equipment, are borne by using L3VPN, and are connected to an intelligent metropolitan area network by using the MER equipment to communicate with CR equipment; the broadband core network user plane double-uplink different-local-address two CRs are incorporated into the autonomous domain management of the metropolitan area network, and uplink broadband core network control plane and downlink OLT equipment are connected through the intelligent metropolitan area network. Compared with a traditional BRAS, under the same hardware condition, the number of supported users is larger, forwarding plane resources are utilized more efficiently, and the capacity expansion requirement is lowered; the IP addresses can be controlled in a centralized mode, applied and distributed according to needs, automatically released after being used, efficiently used and easy to operate, maintain and manage.

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.