30 results about "Residual bandwidth" patented technology

The invention discloses a bandwidth dynamic allocation method and device, a program product and a storage medium, and relates to the technical field of computers. According to the method, bandwidth use data of a network outlet are collected in real time, the residual bandwidth capacity of the outlet is determined, and the distributable dynamic bandwidth capacity of each interface is calculated by combining an interface weight parameter and an interface stability coefficient calculated based on bandwidth use fluctuation characteristics, so that the residual bandwidth of the network outlet can be reasonably distributed. Meanwhile, a dynamic additional bandwidth mechanism is introduced outside the fixed basic bandwidth, and the dynamic bandwidth allocation weight is determined based on the bandwidth use stability of the authentication terminal and the current bandwidth use state, so that the terminal is not limited by a preset fixed bandwidth upper limit any more, more bandwidth resources can be obtained when the exit bandwidth is sufficient, and the bandwidth utilization rate of the terminal is improved. Therefore, the utilization efficiency of bandwidth resources is improved.

The invention relates to the technical field of network resource management, and discloses an intelligent building weak current equipment multi-protocol compatible method and system, and a storage medium. The method comprises the steps of collecting multi-protocol network data streams, extracting data packet lengths and arrival interval time as classification features, dividing network data packets into three data packet groups of short and small high frequency, medium stability and large flow, and forming a real-time response network sequence through a priority queue scheduling mechanism and preferentially transmitting the short and small high frequency groups, the method comprises the steps of receiving a real-time response sequence, calculating residual bandwidth to adjust a network buffer area, packaging and splitting a large-flow data packet group to generate transmission sub-blocks, merging the real-time response sequence and the transmission sub-blocks through a merging rule, dividing the merged real-time response sequence and the transmission sub-blocks into a plurality of data stream segments, and distributing a transmission path for each data stream segment. And monitoring bandwidth occupation and transmission delay of each transmission path, and dynamically adjusting path distribution of the data stream segments. According to the invention, the utilization efficiency of network resources and the real-time performance of data transmission in a multi-protocol environment are improved.

The application discloses a satellite-based and test gateway-based switching optimization method and device and a storage medium, which comprises the following steps: determining a first signal-to-noise ratio corresponding to a first test link and a second signal-to-noise ratio corresponding to each user link; establishing a second test link corresponding to each second satellite, and determining a third signal-to-noise ratio corresponding to each second test link; based on the first signal-to-noise ratio, the plurality of second signal-to-noise ratios and the plurality of third signal-to-noise ratios, predicting a fourth signal-to-noise ratio between each terminal device and each second satellite at the next moment; according to the position information and the time delay information of each terminal device, calculating a connection order corresponding to each terminal device; based on the plurality of fourth signal-to-noise ratios corresponding to each terminal device, the residual bandwidth of each second satellite and the connection order corresponding to each terminal device, using a pre-trained connection probability prediction model, determining the second satellite connected to each terminal device at the next moment. The communication stability can be ensured.

The invention discloses a data recovery method and device and electronic equipment. The method comprises the following steps: detecting a data state in a cloud network, and acquiring abnormal data under the condition that the data state indicates that data abnormity exists in the cloud network; the resource state of a server in the edge computing network is obtained, and the resource state comprises the maximum concurrent bandwidth and the residual bandwidth of the server; according to the abnormal data and the resource state of the server, an optimal recovery path for data recovery of the abnormal data is determined, and the optimal recovery path is used for representing that the time required for data recovery of each abnormal data is shortest; and performing data recovery on the abnormal data in stages according to the optimal recovery path. According to the data recovery method and device, the technical problem that the data recovery time is too long in the data recovery process of the abnormal data in the related technology is solved.

A method and system for distributing leftover bandwidth in a satellite communication network is provided. The method involves monitoring utilization rates of real-time leftover bandwidth allocations for terminals, calculating leftover bandwidth allocations based on these rates, and adjusting them with a scale that prioritizes allocations based on advertised demand. The system includes a bandwidth allocator configured to perform these tasks and a receiver to handle bursts transmitted within the allocated bandwidth. The method and system aim to optimize bandwidth distribution by considering factors such as anticipated demand, traffic priorities, and historical utilization rates.

A method and system for distributing leftover bandwidth in a satellite communication network is provided. The method involves monitoring utilization rates of real-time leftover bandwidth allocations for terminals, calculating leftover bandwidth allocations based on these rates, and adjusting them with a scale that prioritizes allocations based on advertised demand. The system includes a bandwidth allocator configured to perform these tasks and a receiver to handle bursts transmitted within the allocated bandwidth. The method and system aim to optimize bandwidth distribution by considering factors such as anticipated demand, traffic priorities, and historical utilization rates.

The invention discloses a live broadcast flow intelligent scheduling method and system based on edge calculation, and the method comprises the steps: accurately evaluating a flow state value through collecting the number of access users, uplink and downlink flows, residual bandwidth and other multi-dimensional indexes of an edge node in real time, so as to master the bearing capability of each node, predicting the future live broadcast flow demand according to the flow change, and achieving the intelligent scheduling of the live broadcast flow. The scheduling priority is calculated in combination with the traffic state value, the traffic is dynamically allocated to the high-priority node from the low-priority node, and intelligent balanced scheduling is realized, so that the situation that a single node is overloaded, and when user requests in a certain area are suddenly increased, the traffic can be quickly allocated to the low-load node, all requests can be responded in time, and the problem that the response is not timely in the prior art is solved; meanwhile, based on an edge computing architecture, traffic scheduling is dispersed to each edge node, requests are processed close to a user side, the data transmission distance and path are shortened, then traffic is reasonably distributed according to node states, network congestion is avoided, data waiting and queuing delay is reduced, and transmission delay is effectively reduced.

The embodiment of the present application provides a protection switching method for OSU-oriented protected services, and the method comprises the following steps: counting all affected protected services and corresponding protection paths in a network; determining overlapping paths and independent paths in the counted protection paths; deciding to interrupt non-protected services with large bandwidth preferentially to meet the bandwidth requirement of protection switching of protected services in the overlapping paths for the links with insufficient residual bandwidth in the overlapping paths; and deciding to interrupt non-protected services with large bandwidth preferentially to meet the bandwidth requirement of protection switching of protected services in the independent paths for the links with insufficient residual bandwidth in the independent paths. The embodiment of the present application can provide a solution for how to interrupt or reconstruct other services on the path during switching to the protection path when the working path of the protected service is switched.

The embodiment of the application provides a live streaming scheduling method and device, wherein the live streaming scheduling method comprises the following steps: receiving a live streaming scheduling request of a client, wherein the live streaming scheduling request contains a live streaming identifier of a to-be-scheduled live streaming; determining a first push streaming server cluster corresponding to the live streaming identifier; determining a target push streaming server cluster according to a to-be-consumed bandwidth corresponding to the to-be-scheduled live streaming, a residual bandwidth of the first push streaming server cluster and / or a target type bandwidth of at least one second push streaming server cluster; generating address information of a target edge server in the target push streaming server cluster; and returning the address information to the client, wherein the address information is used for the client to perform live streaming scheduling on the target edge server to obtain a corresponding scheduling result.

The invention provides a bandwidth allocation method and device, a storage medium and electronic equipment, and relates to the technical field of computers, and the method comprises the steps: responding to a task state change event in a task system, and obtaining the importance degree, urgency degree, data volume and maximum expected sending bandwidth of all uncompleted tasks; and calculating the priority of each task. And allocating the total available bandwidth of the system as the pre-allocated bandwidth of each task according to the priority proportion, and completing primary allocation by taking a smaller value with the maximum expected bandwidth of each task, thereby ensuring that no task is excessively occupied. Then, the remaining bandwidth of the system is calculated. And if the remaining bandwidth exists and the tasks do not reach the upper limit of the bandwidth, identifying the tasks as second tasks, and performing secondary allocation: allocating the remaining bandwidth according to the priority proportion, thereby realizing efficient and reasonable utilization of the bandwidth.

A bandwidth dynamic allocation method, device, program product and storage medium, relating to the technical field of computer. The method collects the bandwidth usage data of the network export in real time, determines the residual bandwidth capacity of the export, calculates the allocable dynamic bandwidth capacity of each interface in combination with the interface weight parameter and the interface stability coefficient calculated based on the bandwidth usage fluctuation characteristics, so that the residual bandwidth of the network export can be reasonably allocated. At the same time, by introducing a dynamic additional bandwidth mechanism outside the fixed basic bandwidth, the dynamic bandwidth allocation weight is determined based on the bandwidth usage stability of the authenticated terminal and the current bandwidth usage state, so that the terminal is no longer limited by the preset fixed bandwidth upper limit and can obtain more bandwidth resources when the export bandwidth is sufficient, thereby improving the utilization efficiency of bandwidth resources.

The invention provides a cross-domain traffic scheduling method, electronic equipment and a program product, and relates to the technical field of data communication. The method comprises the following steps: screening a global topology containing a plurality of network domains based on a pre-constructed global dependency matrix in combination with a dependency weight between nodes, a packet loss rate of a link and a residual bandwidth of the link to obtain an effective topology sub-graph; generating a link cost index for path decision according to the delay, packet loss rate and residual bandwidth of each link in the effective topology subgraph; based on the link cost index, determining a target path from a starting point node in a first network domain to an end point node in a second network domain, the first network domain and the second network domain being different network management domains; converting the target path into a routing instruction containing a mapping relation between a destination address and a next hop node; and issuing the routing instruction to each network node related to the target path. According to the embodiment of the invention, the delay in cross-domain traffic scheduling can be reduced, and the accuracy can be improved.

Provided are a communication method and related device, comprising: sending a first signaling, the first signaling comprising first indication information, the first signaling being used for requesting a bandwidth resource indicated by the first indication information from an access network element for a service on a terminal device; receiving a second signaling, the second signaling comprising second indication information, the second indication information being used for indicating bandwidth resources that can be allocated to the service, and the bandwidth resources indicated by the second indication information being less than the bandwidth resources indicated by the first indication information; and starting the service by using the bandwidth resource indicated by the second indication information. Thus, when the bandwidth resource requested by the terminal equipment exceeds the residual bandwidth resource on the network element of the access network, the service on the terminal equipment can still be allocated to the bandwidth resource, and the service is started based on the allocated bandwidth resource. Therefore, the problem of service starting failure on the terminal equipment caused by insufficient bandwidth resources of the network element of the access network can be avoided.

The invention belongs to the technical field of communication, and particularly relates to a communication method for realizing high-speed data synchronization by using a satellite flash technology. A main module sends a request signal containing a device identifier, a timestamp and a synchronization instruction to a sub-module, the sub-module feeds back a response signal, and the main module determines a synchronization sequence and performs data synchronization according to the response signal. The main module predicts the channel quality before synchronization, and compensates the transmitting power when the channel quality is poor; and the sub-modules verify the data and dynamically adjust the priority. And verifying the integrity through a specific mode after synchronization, and triggering a retransmission mechanism according to a risk coefficient when the verification fails. And during retransmission, according to the priorities of the sub-modules and the residual bandwidth, generating a retransmission queue, distributing bandwidth weights, calculating a retransmission interval, and performing classified retransmission on the tasks. According to the method, the data synchronization sequence is optimized, the system adaptability and reliability are enhanced, the data synchronization efficiency is improved, the advantages of the star flash technology are fully played, and the high real-time requirement is met.

Provided are a load balancing method, apparatus, device, medium and program product, applied to the technical field of communications, the method comprising: acquiring a bottleneck path of an initial traffic path of a to-be-processed data stream in a network, and acquiring link information of the network; under the condition that the ratio of the residual bandwidth of the bottleneck path to the consumed bandwidth is smaller than a preset threshold value, load balancing optimization is carried out on the bottleneck path based on the bottleneck path and link information of the network, and an optimized flow path set is obtained; generating an adjusting and optimizing strategy based on the adjusting and optimizing flow path set; and issuing the tuning strategy to the network. Through the method, the link congestion when the quantity of data to be processed passes through the bottleneck section flow path can be avoided, the algorithm convergence time is short when load balancing optimization is carried out, and the data transmission efficiency can be improved.

A method for performing bus instance (BI) resource management in a USB host controller and associated apparatus are provided. The method applicable to the USB host controller includes: establishing a BI bandwidth table for recoding respective bandwidth usage information of multiple BIs of the USB host controller; utilizing a scheduler within the USB host controller to determine whether a predetermined command is received; utilizing the scheduler to determine whether the predetermined command indicates that any endpoint is added; utilizing a resource calculator within the USB host controller to perform a lookup operation on the BI bandwidth table, for determining whether a target bandwidth of a target BI among the multiple BIs exceeds a predetermined bandwidth limit per BI; and utilizing the resource calculator to perform at least one searching operation for collecting at least one remaining bandwidth of at least one other BI for being used by the target BI.

The present application discloses a dynamic bandwidth allocation method and system, a device, and a medium. The method comprises: separately acquiring ONUs in a current PON and corresponding actual loads; on the basis of the ONUs and the actual loads, determining rogue ONUs and normal ONUs in the PON; and according to an equal allocation requirement, equally allocating bandwidth to the rogue ONUs, obtaining the remaining bandwidth, and equally allocating the remaining bandwidth to the normal ONUs. In the present application, bandwidth allocation for rogue ONUs is restricted to an equal bandwidth requirement of other ONUs, so that bandwidth available for allocation to the other ONUs can be increased, thereby ensuring reasonable bandwidth allocation, and mitigating impact of DDoS attacks.

The invention discloses a switching optimization method and device based on a satellite and a test gateway station, and a storage medium. The method comprises the following steps: determining a first signal-to-noise ratio corresponding to a first test link and a second signal-to-noise ratio corresponding to each user link; establishing a second test link corresponding to each second satellite, and determining a third signal-to-noise ratio corresponding to each second test link; predicting a fourth signal-to-noise ratio between each terminal device and each second satellite at the next moment based on the first signal-to-noise ratio, the plurality of second signal-to-noise ratios and the plurality of third signal-to-noise ratios; calculating a connection sequence corresponding to each terminal device according to the position information and the time delay information of each terminal device; and determining a second satellite connected with each terminal device at the next moment by using a pre-trained connection probability prediction model based on a plurality of fourth signal-to-noise ratios corresponding to each terminal device, the residual bandwidth of each second satellite and the connection sequence corresponding to each terminal device. The communication stability can be ensured.

This application provides a scheduling method, apparatus, electronic device, and medium, relating to the field of transmission and bearer network technology. The method includes: upon determining that a detected new connection event is an elephant flow, obtaining the source node, destination node, and bandwidth requirement of the elephant flow; pruning the path from the source node to the destination node according to the bandwidth requirement, and determining a candidate path set based on a four-factor weighted cost function of link occupancy, remaining bandwidth, physical hop count, and safety margin; calculating the incremental index of the first path in the candidate path set through sandbox simulation, and determining the first path as the target path if the incremental index passes security verification; and scheduling the elephant flow based on the target path. This reduces congestion caused by the default shortest path from the source, ensures low-latency transmission of small flows, and thus improves overall service performance.

The application relates to the field of network communication and discloses a data flow scheduling method based on routing query, which comprises the following steps: a routing control unit intercepts continuous routing request signaling aiming at the same destination address, extracts a message header timestamp, calculates an arrival time interval variance, and determines an aggregation index representing concurrent density; when the aggregation index is lower than a density threshold value, multiple alternative paths aiming at the destination address are called, a scheduling identifier containing a path index and an allocation weight is generated based on the link residual bandwidth of the alternative paths; and the scheduling identifier is encapsulated in a routing response message generated for the routing request message and fed back to a source node. The application establishes a pre-association of signaling features and link states, pre-sets a shunting strategy before physical flow convergence, avoids micro-burst congestion and herding effect, reduces signaling overhead, and improves the certainty of transmission delay.

The invention provides a bandwidth allocation method and device, which are applied to network equipment, a first queue is configured in the network equipment, a first number of service messages are stored in the first queue, and the method comprises the following steps: sending the service messages stored in the first queue by using a first rated bandwidth allocated for the first queue; if a second number of service messages which are not sent through the first rated bandwidth exist in the first number of service messages, acquiring a first residual bandwidth proportion allocated to the first queue; if the second residual bandwidth proportion of the service flow to which each service message in the second number of service messages belongs in the flow classification is configured, calculating an available first residual bandwidth according to the first residual bandwidth proportion and the second residual bandwidth proportion; and sending the second number of service messages by using the first residual bandwidth.

The application discloses a method, device and equipment for synchronizing data and a computer readable medium, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: detecting the network residual bandwidth between a database source server and a database target server; setting the initial number of data transmission channels based on a linear regression model and the network residual bandwidth, wherein the linear regression model is obtained by training historical network residual bandwidth and historical number of data transmission channels; locating the number interval of the data transmission channels according to the initial number, and taking the maximum value of the number interval as the synchronization number of the data transmission channels; starting the task of synchronizing data from the database source server to the database target server by using the synchronization number of data transmission channels, and synchronizing data based on the network residual bandwidth. The embodiment can accelerate the speed of data synchronization.

The invention belongs to the technical field of electric power Internet of Things communication, and discloses a flexible scheduling method and system for composite network traffic based on service priorities, and the method comprises the steps: distributing data packets of each node in a power grid scene to a high priority queue, a middle priority queue and a low priority queue according to service types; the data packets are automatically distributed to corresponding priority queues according to the service types of the data packets, and when the number of the data packets in the low or medium priority queue exceeds a backpressure threshold value, part of the data packets are moved to the high priority queue; when remaining time slots still exist after all the data packets of the high-priority queue are transmitted, the remaining time slots are distributed to the medium-priority queue and the low-priority queue according to a preset proportion; and according to the back pressure state of each queue, carrying out priority rollback or lifting adjustment on the queues which continuously exceed the threshold value. Through hierarchical management, a core service exclusively occupies a high-priority queue and preemptive transmission is realized, millisecond-level real-time response is ensured, meanwhile, residual bandwidth is dynamically allocated to low-priority data, and the problems of resource competition and delay caused by traditional static allocation are solved.

This invention discloses a communication method and module supporting multiple communication protocols, specifically relating to the field of network communication technology. This invention constructs a multi-dimensional dynamic routing decision system, significantly improving communication stability and transmission performance. It calculates the link quality coefficient by comprehensively considering four core indicators: link latency, packet loss rate, remaining bandwidth, and jitter. It also calculates the stability evaluation coefficient by combining node CPU, memory, and session load, and obtains a path evaluation coefficient through weighted fusion. This replaces traditional single-dimensional static routing, accurately selecting the path with the best overall performance. Simultaneously, it predicts fault risks based on historical fault performance, selects low-overlapping primary and backup paths to achieve fault isolation, and allows seamless switching during faults, effectively avoiding communication interruptions caused by single-point failures and adapting to the high-reliability communication requirements of complex edge network environments.

The application relates to the technical field of flow scheduling, and discloses a flow scheduling method and device for an industrial switch, which comprises the following steps: obtaining a first priority queue and a second priority queue to be transmitted by the industrial switch, wherein the transmission priority of the first priority queue is higher than that of the second priority queue; configuring a first bandwidth for the first priority queue and a second bandwidth for the second priority queue; in the transmission process, when the occupation rate of the first bandwidth is less than a first preset threshold, determining the residual bandwidth corresponding to the first bandwidth; and configuring a temporary bandwidth for the second priority queue based on the residual bandwidth. Through priority sorting and reasonable bandwidth configuration on data packets, the method can effectively guarantee the effective transmission of service signals with extremely high real-time requirements in a power system, and can effectively recover the bandwidth of the highest priority queue when the bandwidth is idle, thereby guaranteeing the high-speed transmission of other queues.

This invention relates to the field of network communication multicast technology, and provides a method and apparatus for transmitting BIER multicast information. The method calculates the bandwidth index of each link using link state information; combines this with the BSL values ​​of each BFR device to calculate the cost value of each link, which is then used as a reference value for the routing algorithm to calculate the final forwarding path of the BIER message. This invention solves the problem of uneven traffic distribution in BIER multicast networks by using the load of each link in the topology as a constraint, and incorporating the different BSL values ​​of BFRs under two roles into the routing calculation. The routing result fully considers the forwarding capacity of each node in the network and the remaining bandwidth of the links, resulting in a relatively even distribution of traffic across the links, reasonable resource allocation, and improved network stability.

The invention discloses a terminal equipment switching control method and device based on satellites and a storage medium, and the method comprises the steps: determining a plurality of satellites which are in communication connection with a plurality of terminal equipment in a target region at a next moment, and constructing a plurality of evaluation links for communication testing based on the plurality of terminal equipment and the plurality of satellites; respectively determining a signal-to-noise ratio corresponding to each evaluation link; respectively determining a connection priority corresponding to each terminal device according to the position information and the time delay information of each terminal device; and on the basis of the signal-to-noise ratios corresponding to the evaluation links, the residual bandwidths of the satellites and the connection priorities corresponding to the terminal devices, determining satellites connected with the terminal devices at the next moment by using a pre-trained prediction model.

The application discloses a bandwidth adjustment method and device, electronic equipment, medium and program product. The method comprises the following steps: determining the first transmission rate of each user accessing a satellite in a first period; determining the weight corresponding to each user according to the first transmission rate of each user; distributing the current residual bandwidth of the satellite according to the weight of each user to obtain the first bandwidth corresponding to each user; and adjusting the bandwidth allocated to the user according to the first bandwidth corresponding to each user. In this way, the weight is determined according to the first transmission rate of each user, and the current residual bandwidth of the satellite is distributed according to the weight, so as to adjust the bandwidth allocated to the user, allocate redundant bandwidth resources to the user, and achieve dynamic allocation of resources.

The application discloses a bandwidth allocation method and device, electronic equipment and computer readable storage medium, and relates to the technical field of communication. The method comprises the following steps: determining a bandwidth budget according to a real-time speed bandwidth, a historical maximum bandwidth and a real-time residual bandwidth; determining a bandwidth proportion according to a service priority corresponding to a target service; and determining an allocated bandwidth corresponding to the target service according to the bandwidth proportion and the bandwidth budget. The bandwidth proportion is determined based on the service priority, and the allocated bandwidth is determined based on the bandwidth proportion, so that bandwidth allocation based on the service priority is realized, which helps to allocate more bandwidth to high-priority services and reduce bandwidth preemption for low-priority services. The bandwidth budget available for allocation is determined based on the real-time speed bandwidth, the historical maximum bandwidth and the real-time residual bandwidth. Compared with the traditional bandwidth allocation method based only on the real-time speed bandwidth, the application considers more dimensions of bandwidth information, and improves the rationality of bandwidth allocation.

The embodiment of the invention provides a cross-device link aggregation communication method and a related device, and relates to the technical field of communication. Obtaining an L3VPN message to be forwarded; when the to-be-forwarded L3VPN message is a protocol message, the to-be-forwarded L3VPN message is sent to other corresponding network equipment through a local aggregation group member link; and when the to-be-forwarded L3VPN message is a data message, determining a forwarding path corresponding to the to-be-forwarded L3VPN message according to the receiving path of the to-be-forwarded L3VPN message, the transmission parameter corresponding to the data flow type to which the to-be-forwarded L3VPN message belongs and the available residual bandwidth of the aggregation group member links corresponding to the two MLAG devices, and forwarding the to-be-forwarded L3VPN message through the forwarding path. Therefore, a cross-device link technology can be adapted to a complex L3VPN service scene, and meanwhile, the flexible allocation capability of bandwidth resources is improved, so that the cross-device link technology can adapt to complex and changeable service requirements, and the resource utilization rate is improved.