47 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 discloses an in-vehicle network active bandwidth reservation type burst flow containing method. The method comprises the steps that 1, the injection time of ST flow to an in-vehicle network is calculated, and a gating list is configured; 2, residual bandwidth resources, RC flow available bandwidth and bandwidth reservation of any link are calculated; 3, calculating an injection time slot of RC to the vehicle-mounted network and configuring a gating list; 4, calculating the injection time of burst flow to the vehicle-mounted network and configuring a gating list; 5, the wakeup bandwidth amount of any link of the vehicle-mounted network is calculated; and 7, recalculating the injection time slot of the RC flow influenced by the burst flow to the vehicle-mounted network, and configuring a gating list. According to the method, the bandwidth is actively reserved when the ST flow and the RC flow are scheduled and registered, and the conflict flow is accommodated on the premise that the real-time transmission quality of the registered flow is not influenced, so that the real-time transmission quality requirement of the registered flow and the ultra-low delay requirement of burst flow transmission are ensured, and an intelligent driving system is enabled to operate normally so as to improve the driving safety and reliability of a vehicle.

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 invention discloses a fault processing method and device, electronic equipment and a storage medium, and relates to the technical field of storage, and the fault processing method comprises the steps: judging whether a physical link has a fault or not according to the state information of a wide port; in response to a physical link fault in the current wide port, determining a fault type of the faulted physical link, and matching a fault processing strategy corresponding to the fault type; determining an available physical link in the current wide port, and calculating the theoretical bandwidth of the current wide port; obtaining a read-write request data volume of a controller corresponding to the current wide port, calculating an average bandwidth based on a preset time window, and taking a difference value between the theoretical bandwidth and the average bandwidth as a residual bandwidth; and in response to the fact that the residual bandwidth is smaller than the preset demand threshold value in the preset evaluation period, wide port switching is triggered, the problem of bandwidth resource waste caused by physical link faults is solved, and the technical effect of optimizing the bandwidth resource utilization efficiency while ensuring high availability of the storage system is achieved.

This application provides a dynamic bandwidth allocation method, apparatus, and optical line terminal (OLT), relating to the field of passive optical network (PON) technology. The method is applied to an OLT in a PON. The OLT has multiple token bucket queues, each with a priority level. Each token bucket in each queue corresponds to a TCONT (Trusted Token Terminal). The number of tokens in each token bucket indicates the configured bandwidth. The method includes: traversing multiple token bucket queues in descending order of priority during each bandwidth allocation cycle; allocating bandwidth authorization values ​​to the TCONT corresponding to each token bucket based on the number of tokens in each queue, until the remaining bandwidth is empty, or the traversal of multiple token bucket queues is complete; generating a bandwidth mapping using the bandwidth authorization values ​​allocated to each TCONT; and distributing the bandwidth mapping to the ONUs (Optical Units) in the PON. This scheme improves the fairness of dynamic bandwidth allocation.

The present application provides a performance testing method and device, which relates to the field of software testing and can quickly create a high-load network situation to meet testing needs. The method includes: after connecting to the target base station, the first terminal to be tested can execute the target instruction triggered by the user to obtain a first execution result; then start the software to be tested, and execute the target instruction based on the started software to be tested to obtain a second execution result; finally, based on at least one execution result, determine the performance test result of the software to be tested. The target base station is used to provide data transmission services to the first terminal to be tested; the first execution result is obtained based on the remaining bandwidth of the target base station; the remaining bandwidth is the bandwidth remaining after the target base station guarantees the data transmission services of multiple connected terminals; the second execution result is obtained based on the remaining bandwidth of the target base station. The embodiment of the present application is used in the software testing process.

The described techniques relate to improved methods, systems, devices, and apparatuses that support sidelink synchronization signal block (S-SSB) designs with wideband resource pool for data transmissions within a shared spectrum. For example, the described techniques provide for a user equipment (UE) to transmit one or more S-SSBs within one or more sub-band(s) of a slot such that the remaining bandwidth, including within the same slot as the S-SSB remain available in the resource pool for data communication. The techniques provided in the present disclosure allow for greater utilization of the bandwidth with minimal resource blocks that are omitted from utilization in the shared spectrum. Such implementation, therefore, maximizes the shared spectrum utilization.

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.

In a cable modem network, upstream bandwidth is allocated to service flows by receiving requests from modems, wherein each request identifies an amount of requested bandwidth for a corresponding requesting service flow; determining how much best-effort bandwidth to allocate for each requesting service flow; determining how much remaining bandwidth is available after taking into account all of the best-effort bandwidth for the requesting service flows; determining how much of the remaining bandwidth to allocate as proactive grant service (PGS) upstream bandwidth to PGS service flows; determining, for each requesting service flow, a summed bandwidth as a sum of any corresponding best-effort bandwidth and any corresponding PGS bandwidth; determining, for each requesting service flow, an amount of allocated bandwidth as a minimum of the summed bandwidth and a maximum allowable bandwidth; and transmitting grants to the modems identifying the amounts of allocated upstream bandwidth for the corresponding service flows.

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 relates to the technical field of traffic scheduling, and discloses a traffic scheduling method and device for an industrial switch, and the method comprises the steps: obtaining a to-be-transmitted first priority queue and a to-be-transmitted second priority queue of the industrial switch, and enabling the transmission priority of the first priority queue to be higher than that of the second priority queue; configuring a first bandwidth for the first priority queue and configuring a second bandwidth for the second priority queue respectively; in the transmission process, when it is recognized that the occupancy rate of the first bandwidth is smaller than a first preset threshold value, the remaining bandwidth corresponding to the first bandwidth is determined; and configuring a temporary bandwidth for the second priority queue based on the residual bandwidth, performing priority ranking on the data packets and configuring a reasonable bandwidth, so that effective transmission of service signals with extremely high real-time requirements in the power system can be effectively ensured, and meanwhile, effective recovery can be performed when the bandwidth of the highest priority queue is idle. And high-speed transmission of other queues is ensured.

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.

This application discloses a dynamic bandwidth allocation method, system, device, and medium, including: obtaining each ONU and the corresponding actual load in the current PON network; determining rogue ONUs and normal ONUs in the PON network based on the ONUs and the actual load; and evenly allocating bandwidth to the rogue ONUs according to the average allocation demand to obtain the remaining bandwidth, and evenly distributing the remaining bandwidth to the normal ONUs. By limiting the bandwidth allocation of the rogue ONU to the average bandwidth demand of other ONUs, this application can increase the bandwidth allocated to other ONUs, ensure reasonable bandwidth allocation, and thus mitigate the impact of DDoS attacks.

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.

A method and system for pre-calibrating an equalizer (EQ) response of an audio equalizer EQ to adapt a measurement sub-band of an audio frequency response equalization (EQ) response to a specific room's audio system, utilizing a modified genetic algorithm to adapt an off-the-shelf audio system (such as in a high-end television) to a given specific room or other physical location to present a specific or unique listening environment with a set of acoustic characteristics. The audio system is adapted to the given room by determining an IIR-based EQ solution via an iterative technique, including an iterative technique based on a genetic algorithm applicable to audio frequency response equalization applications. In one variant, the audio system is adapted to the specific room, adjusting the EQ over a microphone bandwidth while maintaining a factory-calibrated EQ response over the remaining bandwidth.

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.

This application relates to a bandwidth scheduling method, apparatus, computer device, storage medium, and program product. The method includes: determining the excess bandwidth of a node to be scheduled based on its cost bandwidth and current bandwidth; determining multiple associated nodes of the node to be scheduled, and determining the remaining bandwidth of each associated node based on its respective cost bandwidth and current bandwidth; determining the attribution information of the node to be scheduled and the attribution information of each associated node, and constructing a node relationship graph based on each attribution information; and generating a bandwidth scheduling path for the excess bandwidth based on the node relationship graph and the remaining bandwidth of each associated node. This method enables the scheduling of bandwidth resources.

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.

The application provides a software upgrading method and device and a storage medium, relates to the technical field of intelligent automobiles, and is used for solving the problem that the network may be blocked in the downloading channel in the prior art. The method comprises the following steps: acquiring the residual bandwidth of a downloading channel used for downloading a software upgrading file and the test data transmission rate of each vehicle-mounted terminal in at least one vehicle-mounted terminal connected with the downloading channel; determining the number of vehicle-mounted terminals supported by the residual bandwidth to simultaneously download the software upgrading file according to the residual bandwidth and the test data transmission rate of each vehicle-mounted terminal; selecting a target vehicle-mounted terminal in an operating state and installed with to-be-upgraded software corresponding to the software upgrading file from the at least one vehicle-mounted terminal, and acquiring target data of the target vehicle-mounted terminal; and determining an upgrading strategy of the to-be-upgraded software in the target vehicle-mounted terminal according to the number of vehicle-mounted terminals and the target data.

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.