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72 results about "Network cost" patented technology

Satellite communication method and system based on multi-track fusion networking

The invention discloses a satellite communication method and system based on multi-orbit fusion networking, and the method comprises the steps: determining the network type of a target satellite based on the orbit position and working mode of the target satellite and the position of a base station paired with the target satellite, corresponding indication information is generated based on the network type, the current state of the target satellite and parameters related to the state; the indication information is provided for the terminal currently connected with the target satellite through the target satellite; the rail position comprises any one of a low rail, a middle rail and a high rail; the working mode comprises any one of a transparent forwarding mode and a regeneration mode; the positions of the base stations include the positions on the ground and satellites on different orbits. Based on the above communication method, the terminal can be ensured to more accurately access, switch, service and the like of the satellite network, meanwhile, through multi-track fusion networking, the interaction capability of the communication satellite and the terminal is enhanced, the network collaborative coverage capability of the communication satellite and the utilization rate of a base station are improved, and the network cost can be reduced.
Owner:CHINA MOBILE COMM LTD RES INST +1

Intelligent routing method and device based on link quality and storage medium

ActiveCN119629110ASimple configurationReduce networking costsTransmissionPathPingNetwork link
The invention discloses an intelligent routing method and device based on link quality, and a storage medium, and provides basic data for intelligent routing by measuring and monitoring the tunnel quality on the device in real time, including link delay, bandwidth utilization rate, packet loss rate and other performance indexes, and uploading the performance indexes to an SDWAN management and control platform. After calculation is carried out based on the data, the SD-WAN selects a better path to carry out data transmission according to real-time network and application conditions. According to the method provided by the invention, a client can flexibly configure link quality thresholds, including packet loss (%), time delay (ms) and jitter (ms), of different application groups according to requirements, and when the network link performance is reduced, a specific application flow can be identified, and a better path is selected for the application group to transmit the data flow. According to the invention, the user configuration is simplified, the network quality is improved, and the network cost of the user is effectively reduced.
Owner:SHENZHEN WANTONG POST & TELECOMM TECH CO LTD

Data routing system and related method

Disclosed in the present application is a data routing system. The system is used for realizing data routing between computing nodes. The system comprises a first topological network and a second topological network, wherein the first topological network is nested within the second topological network. The network structure of the first topological network is an enhanced torus network topology structure formed by a first node group, wherein each network node in the enhanced torus network topology structure has a connection relationship separately with an upstream node, a downstream node and a non-adjacent node in each dimension. The network structure of the second topological network is a full mesh network topology structure formed by a second node group, wherein the second node group comprises a second number of first node groups, and there is a connection relationship between the second number of first node groups. In the system, by means of a hierarchical network structure in which an enhanced torus network topology is nested within a full mesh network topology, a large-scale or ultra-large-scale network is established, thereby effectively reducing the network cost and power consumption, and improving the network scalability.
Owner:HUAWEI TECH CO LTD

Power distribution network voltage coordination method and system considering P2P transaction risk

The invention belongs to the field of power distribution network optimization scheduling, and provides a power distribution network voltage coordination method and system considering P2P transaction risk, and the method comprises the steps: constructing a producer and consumer P2P energy transaction model and an optimization decision model of a power distribution system operator DSO; constructing a coordination model based on the guidance of the fusion dynamic operation envelope DOE and the risk network crossing cost RC-NUC; the method comprises the following steps: constructing a double-layer coordination optimization framework of multi-agent interaction of a power distribution system operator DSO and a producer and disagger based on a coordination model guided by fusion of a dynamic operation envelope DOE and risk network cost RC-NUC; and solving the double-layer coordination optimization framework of the multi-agent interaction of the operator DSO and the producer and the consumer of the power distribution system to obtain a coordination decision of the multi-agent. The DOE and RC-NUC are utilized to guide the producer and the consumer to adjust the transaction strategy so as to ensure the network security, only price and power information is exchanged among multiple subjects, the privacy and autonomy of the transaction are considered, and the coordinated optimization of the power distribution network security and the economic benefits of market participants is realized.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD

Determining optimal multipath network cost based on traffic seasonality

A system, device, and method are provided. In one example, a method provides dynamic load balancing and adaptive packet routing. The method includes receiving traffic data associated with a physical data center fabric. The method also includes training a model using the received traffic data to predict a traffic pattern based on the received traffic data, and determining network weights based on the predicted traffic pattern and predicted seasonality of traffic, wherein the determined network weights are proactively applied to actual traffic in the physical data center fabric. The method further includes comparing network costs for the predicted traffic pattern to network costs for the actual traffic, and in response to the network costs for the predicted traffic pattern not matching the network costs for the actual traffic, triggering reinforcement learning of the model.
Owner:MELLANOX TECHNOLOGIES LTD(IL)

Communication method, communication device and computer readable storage medium

The invention provides a communication method, a communication device and a computer readable storage medium, relates to the field of communication, and can determine a service path according to acquired network data. The communication method comprises: obtaining network data, the network data comprising network topology information and a computing power demand of a service, the network topology information comprising device information of network elements, device information of a computing power center, link information of links between the network elements and the computing power center, and link information of links between the network elements; according to the network data, determining at least one path of the service reaching a first computing power center through at least one network element, the path satisfies one or more of the following conditions: the computing power cost of the service using the first computing power center determined according to the computing power demand of the service satisfies a first condition, and the network cost of at least one link and at least one network element in the service using path determined according to the network topology information satisfies a second condition. The embodiment of the invention is applied to the field of communication.
Owner:HUAWEI TECH CO LTD

Data routing system and related method

The invention discloses a data routing system. The system is used for realizing data routing between computing nodes. The system comprises a first topology network and a second topology network, and the first topology network is nested in the second topology network. The network structure of the first topology network is an enhanced surrounding network topology structure formed by first node groups, and network nodes in the enhanced surrounding network topology structure are connected with upstream nodes, downstream nodes and non-adjacent nodes in all dimensions. And the network structure of the second topology network is a full interconnection network topology structure formed by the second node group. The second node group comprises a second number of first node groups, and the second number of first node groups are connected. The system establishes a large-scale or super-large-scale network by nesting a hierarchical network structure of an enhanced surround network topology and a full interconnection topology, effectively reduces the network cost and power consumption, and improves the network expandability.
Owner:HUAWEI TECH CO LTD

Large-bandwidth network flow scheduling management method and system

The invention is suitable for a large-bandwidth network flow scheduling management method and system, and the method comprises the steps: obtaining a flow limiting parameter, and determining the maximum network bandwidth; demand monitoring is carried out on each network port, the bandwidth demand of each network port is sampled according to a preset sampling demand monitoring frequency, and bandwidth demand coordinates are generated; constructing a network port bandwidth demand prediction function corresponding to each network port, and synthesizing a comprehensive demand prediction function based on the network port bandwidth demand prediction functions; and predicting the bandwidth in a preset time length according to the comprehensive demand prediction function to obtain predicted bandwidth data, and distributing the network bandwidth to each network port. According to the invention, high-frequency sampling is carried out on each network port to determine the sampling data of each network port, the prediction function of each network port is constructed based on the sampling data, the bandwidth change in a short time is predicted according to the prediction function, and the bandwidth of the network port is scheduled according to the prediction condition, so that a 95 charging rule is fully utilized, and the network cost is saved.
Owner:NANCHANG HOME TECH CO LTD

Long-distance port expansion device based on multi-port PHY chip

The invention discloses a long-distance port expansion device based on a multi-port PHY chip, and the device comprises a near-end device which is integrated with a multi-channel serial interface supporting a multi-port protocol; the remote equipment comprises at least one PHY (Physical Layer) chip, and the PHY chip is provided with an uplink multi-channel protocol interface supporting a multi-port protocol and is provided with a plurality of downlink network ports; and the multi-channel serial interface of the near-end equipment is connected with the uplink multi-channel protocol interface of the PHY chip through a long-distance transmission medium. According to the invention, the port access and data forwarding functions of a traditional switch (including a switch realized by a switch chip or a processor) are directly replaced by the far-end multi-port PHY, and the method is suitable for various network communication scenes sensitive to network cost, time delay and architecture complexity.
Owner:KUNGAO XINXIN MICROELECTRONICS (JIANGSU) CO LTD

A Method for Optimizing the Cost-Effectiveness of Broadband Networks

The present invention belongs to the technical field of broadband network benefit optimization, and specifically discloses a broadband network cost-benefit optimization method. By combining historical communication records, it analyzes the bandwidth consumption and communication quality tolerance of communication application categories, and sets a basic communication bandwidth quota based on the analysis results. At the same time, it real-time detects the communication quality during actual communication, evaluates the feasibility of the basic bandwidth quota, and adjusts the bandwidth quota when the evaluation of the basic quota is infeasible to ensure the optimization of communication quality and resource utilization rate. It not only improves the utilization rate of bandwidth resources, provides a strong guarantee for the cost-benefit optimization of broadband networks, but also reduces the risks of poor communication and ineffective communication caused by fixed quotas. At the same time, when adjusting the bandwidth quota, it further determines the effective communication time for the communication application category to be adjusted, avoids excessive waiting for the communication application category to be adjusted, helps to reduce the waiting time of users, and improves the experience of communication initiators.
Owner:XIAMEN WANGWEI CO LTD

Method and system for evaluating a neural network cost model based on class guidance

The application provides a kind of evaluation method and system of neural network cost model based on category guidance, it is related to data processing technical field, the feature of the tensor program to be evaluated is extracted from the perspective of syntax tree, and the tensor program feature is obtained;Tensor program features are processed by dimension reduction and clustering, to obtain the probability that the tensor program feature belongs to different categories;The feature of the tensor program to be evaluated is extracted from the perspective of scheduling primitive, to obtain intermediate features;Based on the probability that the tensor program feature belongs to different categories and the intermediate features, the performance score of the tensor program to be evaluated is obtained.From the perspective of syntax tree, extracting the features of the tensor program and extracting the features from the scheduling primitive can effectively utilize the complex relationship between subprograms, reduce the time of the AI compiler automatic tuning process, so that the neural network model can be deployed on the ground, and only needs less tuning time under the same tuning performance condition, improves the efficiency.
Owner:XI AN JIAOTONG UNIV

Method of obtaininig distribution key and related device

Embodiments of the present application provide a method of obtaining a distribution key and related devices for obtaining a distribution key. The method is applied to cloud management platforms. This method includes: receiving a request from a tenant, where the request is used to obtain a set of target distribution keys; obtaining a set of target tables and a set of candidate distribution keys based on the request and a set of historical query information; obtaining a set of first distribution keys from the set of candidate distribution keys based on a first optimization rule; and obtaining the set of target distribution keys from the set of first distribution keys based on a network cost of each couple of first distribution keys. The proposed technique provides a suitable distribution key for tenant, improves the efficiency of obtaining a distribution key, and improves the efficiency of query.
Owner:HUAWEI CLOUD COMPUTING TECHNOLOGIES CO LTD +1

Server-free edge function reliability deployment method and system based on reinforcement learning

The invention discloses a server-free edge function reliability deployment method and system based on reinforcement learning, and the method is oriented to server-free edge calculation, takes the minimization of long-term network cost as a target, and systematically solves the problems of high cold start cost, limited resources, difficult reliability guarantee and the like. A system model including user movement, channel fading, function deployment and a backup mechanism is constructed, four types of costs of cold start, maintenance, transmission and punishment are accurately described and converted into a Markov decision process, and a state-action-award framework is utilized to realize dynamic decision. The PPO algorithm fusing the greedy strategy to assist the action selection is further provided, and a function deployment scheme meeting the reliability constraint is efficiently generated under the condition that resources are limited. According to the method, through fusion of reinforcement learning and a greedy strategy, the problems of feasibility, reliability and cost of function deployment in server-free edge computing are solved, and the method has the capabilities of efficient deployment, adaptive scheduling and long-term performance optimization.
Owner:JIANGNAN UNIV

Distributed network data management systems and methods

Systems and methods for application performance management across one or more networks are disclosed. A system includes a plurality of geographically distributed computing devices executing one or more applications. A plurality of collectors are distributed across the one or more networks, each collector being positioned proximate a respective computing device. The collectors may sample, by each of the plurality of collectors, a plurality of trace events received from the applications executing on the computing devices proximate the collector. The collectors may retain in memory sampled trace events that meet a configurable attribute. The collectors may use probabilistic sets and tail-based sampling to determine root events and policies for identifying relevant traces. Benefits can be achieved in bandwidth savings, network cost and cyber security.
Owner:ELASTICSEARCH BV

A method and system for managing network traffic scheduling of a large bandwidth

The application is suitable for a large-bandwidth network flow scheduling management method and system, the method comprising: acquiring flow restriction parameters and determining maximum network bandwidth; monitoring the demand of each network port, sampling the bandwidth demand of each network port according to a preset sampling demand monitoring frequency, and generating bandwidth demand coordinates; constructing a network port bandwidth demand prediction function corresponding to each network port, synthesizing a comprehensive demand prediction function based on the network port bandwidth demand prediction function; predicting the bandwidth within a preset time length according to the comprehensive demand prediction function, obtaining prediction bandwidth data, and allocating network bandwidth to each network port. The application determines the sampling data of each network port by high-frequency sampling, constructs a prediction function of each network port based on the sampling data, predicts the bandwidth change within a short time according to the prediction function, and schedules the bandwidth of the network port according to the prediction, so as to fully utilize the 95 billing rules and save network cost.
Owner:NANCHANG HOME TECH CO LTD

Edge computing task distribution method, device, equipment and medium

The present invention provides an edge computing task distribution method, device, equipment and medium, the method comprising: semantically segmenting the data to be transmitted to obtain different types of semantic slicing tasks; based on the data analysis capability of each edge node and the data security level of the semantic slicing task, the semantic slicing task is allocated to determine the slicing tasks to be allocated corresponding to each edge node; and the slicing tasks to be allocated are distributed to the corresponding edge nodes. The present invention is used to solve the defect of low data transmission efficiency between edge nodes in the prior art, ensure lower latency of edge computing when performing cross-node data analysis and processing, meet the needs of reducing network occupancy and reducing network costs by reducing the size of transmitted data, or do not affect the normal operation of the business in the case of poor network quality, meet availability requirements, and improve the overall efficiency of the edge computing system.
Owner:SHANDONG INSPUR SCI RES INST CO LTD

Public network cost accounting method and device based on IP address, and electronic equipment

The invention discloses a public network cost accounting method and device based on an IP address and electronic equipment, and relates to the field of financial science and technology or other related technical fields, and the method comprises the steps: obtaining network segment information and bandwidth information corresponding to a purchased public network; calling a payment standard device, querying the payment standard device through the network segment information and the bandwidth information, and accounting the total network segment price of the purchased public network within the period of validity of the protocol based on a query result; obtaining a full amount of in-use public network IP addresses, matching the belonging network segment with each in-use public network IP address, and calculating the IP address unit price of the in-use public network IP address in the protocol validity period based on the network segment total price of the belonging network segment in the protocol validity period; and generating a cost accounting result of the public network based on the total price of the network segments and the IP address unit price in the period of validity of the protocol. According to the method and the device, the technical problem of relatively low efficiency of a mode of manually estimating the network cost of the public network in related technologies is solved.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Data routing system and data routing method

The invention discloses a data routing system. The data routing system comprises a first topology network and a second topology network. The first topology network is nested in the second topology network. The network structure of the first topology network is a fat tree network topology structure formed by a first node group and a switch, the first node group comprises a first number of network nodes, and each network node in the first topology network is in cascade connection with the switch. The network structure of the second topology network is a full interconnection network topology structure formed by second node groups, the second node groups comprise a second number of first node groups, and the second number of first node groups are connected. According to the system, a multi-stage hierarchical network structure with a nested fat tree network topology and a full-interconnection network topology is established through small switching nodes with a small number of ports, so that a large-scale or super-large-scale network is established, the network cost and power consumption are effectively reduced, and the network expandability is improved.
Owner:HUAWEI TECH CO LTD

A network slicing orchestration method for programmable data plane networks

The present application provides a network slice orchestration method for a programmable data plane network. After obtaining service requests corresponding to different network slices to be orchestrated, the method uses a configured network cost function, a sequence of VNF types to be traversed corresponding to any service request, and VNF instances of the corresponding VNF type, the required maximum routing delay, and the source and destination nodes of each network slice to be orchestrated to perform node deployment on the VNF, thereby obtaining the optimal routing path and VNF deployment information corresponding to the service request. Based on the optimal routing path and VNF deployment information corresponding to the service request, a corresponding orchestration file is generated, and the orchestration file is distributed to each switch in the programmable data plane network to orchestrate the network slice corresponding to the service request. This method enables the coordinated optimization of resource allocation, path selection, and service quality assurance, thereby improving the flexibility and efficiency of network slice deployment and resource allocation.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Broadband network cost benefit optimization method

The invention belongs to the technical field of broadband network benefit optimization, and particularly discloses a broadband network cost benefit optimization method, which comprises the following steps of: performing bandwidth consumption and communication quality tolerance analysis on communication application categories by combining historical communication records, and setting a basic communication bandwidth quota based on an analysis result; meanwhile, in actual communication, the communication quality is detected in real time, the feasibility of the basic bandwidth quota is evaluated, the bandwidth quota is adjusted when the basic quota is evaluated to be infeasible, the optimization of the communication quality and the resource utilization rate is ensured, the utilization rate of bandwidth resources is improved, a powerful guarantee is provided for cost-benefit optimization of a broadband network, and the communication quality is improved. In addition, unsmooth communication and invalid communication risks caused by the fixed quota are reduced, meanwhile, the effective communication time is further determined for the to-be-adjusted communication application category when the bandwidth quota is adjusted, excessive waiting of the to-be-adjusted communication application category is avoided, the waiting time of a user is shortened, and the experience of a communication initiator is improved.
Owner:XIAMEN WANGWEI CO LTD

Network cost recovery method and system

The invention discloses a network cost recovery method and system. The method comprises the following steps: obtaining terminal user related parameters in a target power grid, wherein the terminal user related parameters at least comprise an electrical load parameter; establishing a first cost calculation model based on the terminal user related parameters, wherein the first cost calculation model comprises a first objective function and a first constraint condition; and solving the first cost calculation model according to the real-time related parameters of the terminal user, and carrying out network cost recovery. By optimizing a power consumption bill structure, a terminal user is stimulated to increase the power consumption when the electricity price is low and reduce the power consumption when the electricity price is high, so that dynamic balance of a power grid load is realized. The electricity price strategy can be dynamically adjusted according to the real-time operation state of the power grid and the electricity consumption behavior of the user so as to guide the user to reasonably use electricity. By introducing the flexibility of the terminal user, the operation efficiency of the power grid can be improved, and the extra cost caused by capacity expansion of the power grid is reduced.
Owner:GUIZHOU POWER GRID CO LTD

Generate program directives using beam search guided by neural network cost model

A computing system generates directives of a program. Beam nodes are selected one level at a time from multiple nodes in the tree structure. Each node represents a subset of operations in the program. A first number of the beam nodes are selected at a given level of the tree structure. The selection of the first number of the beam nodes uses a cost model that is based on a neural network. A second number of the beam nodes are selected using a random search. The ratio of the first number to the second number is determined based on a search completion percentage at the given level. A path is identified that passes through respective beam nodes at multiple levels of the tree structure. The path represents a schedule for executing the program on a target machine. Then the directives corresponding to the schedule are generated.
Owner:MEDIATEK INC

Intelligent routing method and device based on link quality and storage medium

The application discloses a kind of intelligent routing method, equipment and storage medium based on link quality, by real-time measurement and monitoring to tunnel quality on equipment, including link delay, bandwidth utilization, packet loss rate and other performance indicators, and upload to SDWAN control platform, provide basic data for intelligent routing.Based on these data, after calculation, make SD-WAN according to real-time network and application, select the optimal path to carry out data transmission.By the method of the application, customers can flexibly configure link quality threshold of different application groups according to needs, including packet loss (%), delay (ms), jitter (ms), when network link performance declines, specific application traffic can be identified, and the intelligent routing scheme of selecting the optimal path for application group to transmit data traffic.The application simplifies user configuration, improves network quality, and effectively reduces user network cost.
Owner:SHENZHEN WANTONG POST & TELECOMM TECH CO LTD

Self-adaptive low-power-consumption IoT (Internet of Things) communication method

The invention relates to a self-adaptive low-power-consumption IoT (Internet of Things) communication method. The method comprises the following steps: setting a communication connection mode; setting a connection process according to the connection mode; setting an interactive subscription process according to the set connection process; and setting an information interaction process according to the interaction subscription number, and completing communication. According to the method, key data information is selectively encrypted according to the characteristics of IoT equipment, and non-core data such as heartbeat subjects and the like which are small in size are reserved; meanwhile, the weight is comprehensively calculated according to current network noise feedback, signal intensity, the residual electric quantity of equipment and the like, and the pressure and the network load are calculated in a targeted and balanced mode. According to the method, the characteristics of self-adaption compression and partial non-encryption can be achieved, the IoT equipment can continuously and stably complete data communication under the low electric quantity, meanwhile, the protocol interaction amount of the IoT equipment and the server in the communication process is obviously reduced, and the network cost is obviously reduced accordingly.
Owner:TIANJIN TIANDY DIGITAL TECH

Rapid auxiliary review method and system for main network cost

The invention discloses a main network construction cost rapid auxiliary review method and system, and the method comprises the steps: firstly obtaining construction cost data information and construction cost budget information of a main network construction cost, and recognizing each construction cost demand type and construction cost data distribution information based on the construction cost data information; then, based on the cost budget information, identifying a cost list, and based on the cost data distribution information and the cost list, identifying cost evaluation index values and cost evaluation reasons; then, based on the cost evaluation index value and the cost evaluation reason, identifying a cost evaluation result, and based on the cost evaluation result, generating main network auxiliary evaluation information of the main network cost; according to the method, the cost evaluation result of each cost demand type is comprehensively analyzed, workers are assisted to comprehensively analyze each cost demand type, and each cost demand type is comprehensively analyzed through the evaluation index, so that the timeliness, the accuracy and the comprehensiveness of main network cost evaluation analysis are improved, and the efficiency of main network cost evaluation analysis is improved. And meanwhile, the review efficiency is further improved.
Owner:ECONOMIC & TECH RES INST OF HUBEI ELECTRIC POWER COMPANY SGCC

Method and device for realizing fixed wireless access security enhancement in 5G network

The invention relates to the technical field of fifth-generation mobile communication core networks, in particular to a method and a device for realizing fixed wireless access security enhancement in a 5G network. The method is executed by a 5G core network, and comprises the following steps: in a PPPoE session discovery stage of accessing an FWA terminal to an L2 transmission network, acquiring terminal equipment security information, generating security enhancement information based on a pre-configured security policy, carrying the information through a Relay-Session-Id tag of a PPPoE protocol standard, and sending the information to a PPPoE server, thereby realizing dual authentication. The scheme adapts to IP type and Ethernet type PDU session scenes, does not need to additionally deploy hardware, is compatible with multiple types of terminals, improves the access security, reduces the network cost, and is suitable for multiple types of access scenes such as families, enterprises, remote areas and the like.
Owner:BEIJING CHANGKUN TECHNOLOGY LTD

Method and device for optimizing peak-valley difference of net load curve considering dynamic network passing cost

The invention relates to a net load curve peak-valley difference optimization method and equipment considering dynamic network cost. The method comprises the following steps: calculating a static network cost standard value; establishing a double-layer optimization model which comprises an upper layer sub-model and a lower layer sub-model on the basis of the static network crossing cost standard value and a preset adjustment principle for adjusting the peak-valley difference of a net load curve according to the dynamic network crossing cost, the target of the upper-layer sub-model is to minimize the peak-valley difference of the net load curve and the dynamic adjustment amount of the network cost, and the target of the lower-layer sub-model is to minimize the total social cost; and solving the double-layer optimization model, and obtaining an optimal optimization result which considers the dynamic network passing cost to reduce the peak-valley difference of the net load curve. Compared with the prior art, the method has the advantages that the peak-valley difference rate of the net load curve can be remarkably reduced, and the like.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

A method, device and medium for optimizing the clearing of an out-of-province power supply equivalent market

The present invention discloses an optimization method, device and medium for clearing out-of-province power supply equivalent market, the method comprising: optimizing the tie line power function of each provincial power grid to obtain the optimal tie line output power; establishing an equivalent quantity-price curve according to the power supply out of the province; introducing the optimal tie line output power into the provincial optimal unit output model for calculation to obtain the average network access cost of the virtual node; calculating the unit output arrangement according to the optimal tie line output power, the equivalent quantity-price curve and the average network access cost, and configuring the output of each provincial power grid. The present invention proposes an optimization method, device and medium for clearing out-of-province power supply equivalent market, which ensures the balance of power transmission and exchange by calculating the optimal tie line output power; by calculating the network access cost and the equivalent quantity-price curve, the optimal configuration of power resources can be achieved, which can solve the problem that the optimal configuration level of power resources is low and it is difficult to ensure the rationality of inter-provincial power transactions.
Owner:GUANGDONG ELECTRIC POWER TRADING CENT CO LTD

Batch high-threshold active secret sharing method and device

The invention discloses a batch high-threshold active secret sharing method and device, and the method comprises the steps: building a high-threshold active secret sharing basis through a high-threshold module, adding a blind value for a distributor through the high-threshold module, and enabling the blind value to be shared with a secret s; realizing secret sharing of a reconstruction threshold between t + 1 and n-t in combination with a high-threshold asynchronous complete secret sharing protocol and a multi-valued verification Byzantine negotiation protocol; based on a high-threshold module, a dual-committee asynchronous complete secret sharing protocol and a randomness extraction technology based on an ultra-reversible matrix are adopted to reduce the protocol complexity and realize batch secret transfer through a batch sales sharing module; a batch high-threshold active secret sharing protocol Bat-DPSS constructed by using a high-threshold module and a batch sharing module adapts to an asynchronous or partially synchronous network environment without depending on a public key infrastructure PKI, and can support dynamic replacement of committee members and resist attacks of mobile opponents. According to the method, the network cost is low after distribution, and the efficiency is improved compared with that of an asynchronous DPSS protocol.
Owner:BEIJING UNIV OF POSTS & TELECOMM