64 results about "Residual bandwidth" patented technology

The invention relates to the technical field of communication optimization, in particular to a communication optimization system and method for a multi-protocol photoelectric cooperative matrix, and the system comprises a protocol recognition module, a link fluctuation monitoring module, a flux window evaluation module, an interruption early warning judgment module and a bandwidth dynamic distribution module. According to the method, the stability of a plurality of communication paths is predicted through accurate judgment of communication protocol identification and link conflict priority ranking, and analysis and rate difference ranking based on a link instantaneous idle rate change trend, so that the data transmission continuity and the path scheduling reliability are ensured; according to the method, path nodes with obvious flow slope change are distinguished, bandwidth adjustment interval matching judgment is carried out, the communication path data transmission quantity and the link resource utilization rate are improved, and through comprehensive calculation of link signal strength and time delay characteristics and intelligent sorting of communication link interruption risk levels, the real-time evaluation of task density and path residual bandwidth is carried out, so that the communication link interruption risk rate is improved. And efficient migration and bandwidth mapping reconstruction of an interrupt risk link task are realized.

The invention relates to the technical field of satellite network communication, and discloses a multi-source multi-path scheduling method for remote sensing data transmission, which comprises the following steps of: firstly, establishing an index table for remote sensing data by using a space-time name formed by a service type, an acquisition area, acquisition time, a node identifier and a data category; and the controller analyzes time and space constraints in the request, selects a plurality of source nodes meeting conditions from an index table, calculates priorities according to parameters such as residual bandwidth, round-trip delay and packet loss rate, and selects a plurality of non-overlapping high-quality paths. And then adding a service type, a path number, a path state report and a flow proportion field in the interest packet and the data packet, so that the source node sends segmented data in parallel according to a preset proportion. And the forwarding node reports the link change in real time, and the controller dynamically adjusts the path set and the shunt weight, thereby ensuring that the high-bandwidth and low-delay data transmission performance is continuously obtained in a topology and load rapid change scene.

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 optical signal transmission, in particular to an optical transmission system and method based on a computing power cluster, and the system comprises a bandwidth pressure analysis module, a path resource screening module, a link fault interval analysis module, an interval adaptive path screening module and a path scheduling execution module. By calculating the ratio of the task target transmission rate to the node residual bandwidth, the transmission path meeting the current requirement is effectively screened out, the stability of the path in the specific time period is comprehensively evaluated, the system is allowed to maintain the communication quality, the resource configuration is optimized, and the transmission interruption risk is reduced; the data transmission reliability is improved, the overall bandwidth utilization rate of the network is optimized, the transmission efficiency and stability of data in the optical network are ensured by dynamically monitoring and analyzing the fluctuation of the physical layer of the link, and the anti-interference performance and transmission stability of the overall link in the data scheduling process are 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 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 embodiment of the invention provides a task bandwidth allocation method and device for a network application, equipment and a storage medium, and the method comprises the steps: executing a first downloading task corresponding to audio and video real-time transmission according to a current audio and video receiving rate under the condition that a user terminal is detected to be in an audio and video real-time transmission state; when it is detected that the second downloading task exists, a first downloading rate is obtained through calculation based on the deadline and the file size corresponding to the second downloading task, and the second downloading task is executed according to the first downloading rate; determining a first residual bandwidth according to the currently detected user estimated bandwidth and the first downloading rate; and when the first residual bandwidth is smaller than the audio and video receiving rate, executing the first downloading task according to the first residual bandwidth. The scheme can adapt to dynamic allocation of bandwidth resources of different downloading task types, balances downloading rates of different downloading tasks, guarantees audio and video quality while ensuring interaction timeliness, and optimizes user experience.

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.

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 provides a multipath routing method based on time extension graph maximum flow and an electronic device, and belongs to the technical field of communication, in the method, a maximum flow algorithm is adopted to search all augmented paths, the path selection of a subsequent routing method is congenital, and large flow can be transmitted, and in addition, the path selection efficiency is improved. When the service quality evaluation value of each target augmented path is calculated, the service type of the to-be-transmitted data is considered, and then the next network node of the to-be-transmitted data is determined according to the service quality evaluation value of each target augmented path, that is, personalized load balancing routing for different service requirements of the data is realized; according to the service type of the to-be-transmitted data, the data transmission is enabled to have the minimum path time delay, or the maximum path residual bandwidth, or the minimum path packet loss rate.

The present invention discloses a congestion control-based epidemic routing method for delay-tolerant networks, which calculates the requested bandwidth of nodes and calculates the weighted average of the remaining bandwidth in a path to obtain the available remaining bandwidth in the link. Calculating the requested bandwidth of a node includes: the source node sending a bandwidth request to one-hop neighbor nodes; and the source node calculating the requested bandwidth. Among them, the source node sending a bandwidth request to one-hop neighbor nodes includes: the source node sending Hello packets at regular intervals; if a one-hop neighbor node receives a Hello packet, the one-hop neighbor node will create an entry in its routing table; if the one-hop neighbor node does not send a control packet to the source node within a set time interval, the source node will broadcast the Hello packet to other one-hop adjacent nodes. The present invention can greatly avoid network congestion, reduce end-to-end delay, increase throughput, improve the transmission rate of data packets, and make the transmission of information faster.

Systems and methods for enabling usage of remaining bandwidth while a primary portion is occupied, busy or otherwise unavailable. In particular, the present disclosure is directed to implementations for secondary channel access via one or more secondary channels while a primary channel is busy or occupied. In an example, wireless devices may switch to monitor one of their secondary subchannels for physical and virtual carrier sensing when the primary channel is busy. A first device may define and announce one or more anchor channels which may be used as subchannels for which the other devices may perform channel access by using physical and / or virtual carrier sensing. The anchor channels may be used temporarily as the primary channel when the primary channel is busy. In some implementations, the devices may continue monitoring the primary channel, and may switch back to the primary channel when the primary channel becomes available again.

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 data transmission, in particular to a data transmission optimization method and system based on an energy big data center, and the method comprises the steps: recognizing a bandwidth bottleneck in advance through a traffic prediction mode, avoiding the processing hysteresis caused by a manual intervention mode after a conventional passive alarm, and responding to the bandwidth bottleneck in advance. According to a data consumption information prediction result, a reference priority corresponding to each energy data type is determined, a data priority is determined in combination with a service demand, and when data is transmitted according to a priority hierarchical architecture, high-demand data is ensured to be transmitted preferentially, key service delay or interruption caused by insufficient bandwidth is avoided, and the data transmission efficiency is improved. In addition, the low-priority data share the residual bandwidth through time division multiplexing, the data transmission balance of each data source is improved, the data transmission optimization does not need to modify the device, and when a new data source is newly added or a new energy data type is entered, rapid adaptation can be achieved, and both expansibility and flexibility are high.

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.

The invention discloses a WiFi (Wireless Fidelity) router data transmission optimization method and a WiFi router data transmission optimization system, and relates to the technical field of wireless communication. According to the invention, the network indexes of the router, including the total bandwidth, the bandwidth utilization rate and the communication indexes of the connection equipment, are collected in real time, i.e., the network packet loss rate, the normalized delay and the receiving sensitivity are calculated based on the data packet receiving and transmitting quantity, the timestamp and the signal strength of the equipment collected in real time by the flow probe; according to the method, the guaranteed bandwidth and the priority coefficient of each device are dynamically calculated, the guaranteed bandwidth is set according to the maximum negotiation rate of the device, the dynamic priority coefficient is calculated based on the delay, the network packet loss rate and the signal strength, and then the residual bandwidth is allocated through the priority weight, so that the high-demand device can obtain more resources. According to the invention, the problem that a traditional router is rigid in bandwidth allocation and cannot adapt to a real-time network state is solved, the delay and network packet loss rate of high-priority equipment can be remarkably reduced, and the network transmission efficiency and user experience in a multi-equipment concurrent scene are improved.

The present invention relates to the technical field of data transmission, and discloses a data security transmission method and system for IDC, wherein the system comprises: a collection module, configured to predefine a sensitive information rule base, and screen data packets to be transmitted according to the sensitive information rule base; analyze the access situation of the data packets to be transmitted; a classification module, configured to determine the sensitive information location index and calculate the final sensitivity level of the data packets to be transmitted; a division module, configured to divide the data packets to be transmitted according to the final sensitivity level and the real-time remaining bandwidth to obtain a plurality of sub-data packets; an encryption module, configured to configure encryption resources for the sub-data packets according to the final sensitivity level for encryption; and a transmission module, configured to determine whether to generate a disguised data packet according to the size of the final sensitivity level, and transmit it. The present invention can ensure data security while maximizing the efficiency of data transmission through sensitive information classification and dynamic adjustment based on access behavior.

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.