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47results about How to "Guaranteed Bandwidth Requirements" patented technology
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Routing algorithm of guaranteeing QoS in data center network based on SDN
ActiveCN106341346AAvoid network congestionGuaranteed Bandwidth RequirementsData switching networksRouting algorithmQuality of service
The invention discloses a routing algorithm of guaranteeing QoS (quality of service) in a data center network based on SDN. Aiming at problems that user terminal transmission time delay is high and a link congestion is generated in the data center network, the routing algorithm of guaranteeing QoS in the data center network is provided. In the algorithm, priority classification is performed on a data flow arriving at a switch so that a high priority data flow which is sensitive to the time delay adopts a time delay guarantee algorithm; a path with minimum data plane time delay is found to carry out flow table issuing; for a low priority data flow which has a high requirement to a bandwidth, a bandwidth guarantee algorithm is adopted; and according to a demand of the data flow for the bandwidth, dynamic bandwidth adjusting is performed. The QoS of a user is effectively guaranteed and a resource utilization rate in the data center network is increased.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Wireless access equipment and method for user network bandwidth dynamic allocation
The invention relates to the field of the mobile Internet and provides wireless access equipment for user network bandwidth dynamic allocation. At least two groups of users are allowed to be connected in. The wireless access equipment is characterized in that the wireless access equipment detects data flow input by access users, and according to the detecting result, the network bandwidths of the users are adjusted dynamically. When the speed of the data flow input by the access users in one or more groups of users is increased, the bandwidth which is allocated for external sharing users is reduced. When the speed of the data flow input by the access users in one or more groups of users is reduced, the bandwidth which is allocated for the external sharing users is increased. According to the needs for different services at different time periods of inner users, the bandwidth allocation of the inner users and the external sharing users is adjusted dynamically, the fact that the requirements for the bandwidths of the inner users are met can be guaranteed, and meanwhile surplus bandwidth resources are provided for the external users to share.
Owner:WESTERNHOUSE AUTOMATION CHANGZHOU
Centralized scheduling controller for intelligent multi buffer management and dynamic scheduting method
InactiveCN101026540AReduce unresponsive timeImprove performanceMemory adressing/allocation/relocationStore-and-forward switching systemsThroughputShared memory
Multiple buffer areas are realized by a piece of sharing memory unit in hardware, and managed by unified access arbitrator and allocation table of buffer area in order to provide high performance multiple buffer areas for buffer area access unit. When buffer areas are requested to access, the access arbitrator determines whether there is space allowed to assigning to buffer area requested first based on allocation table; if yes, the access is authorized, and corresponding update is made for the allocation table of buffer area. Buffer area is recovered in real time after its use is ended. The invention raises use ratio of whole memory unit, real time operation and throughput of buffer area.
Owner:FUDAN UNIV
Network virtualization method based on software defined network (SDN)
ActiveCN105391635ACreate flexibleImprove throughputData switching networksUser needsTopology information
The invention discloses a network virtualization method based on a software defined network (SDN). The network virtualization method comprises the steps of obtaining SDN topology information by a controller through detection in network initialization; creating a virtual network sheet, calling a virtual network generation module by the created virtual network sheet, adding host computers into the virtual network after network creation is finished, adding the host computers into the virtual network sheet, and communication between a certain host computer and another host computer is required, if a switch has a matched flow item, directly forwarding a data package, and if the switch has no matched flow item, transmitting the data package to the controller, calling an information interception module by the controller for intercepting the data package, calling an information analyzing module by the information interception module, waiting for a result which is returned from the information analyzing module, and determining whether to discard the data package. The network virtualization method can be used for flexibly creating a virtual network and is totally driven according to a user requirement and has relatively high expandability. Furthermore the invention provides a relatively good solution for improving network throughput and preventing competition of busy links.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Passive optical network bandwidth allocation method
ActiveCN104735555AImprove bandwidth utilizationLow latencyMultiplex system selection arrangementsData switching networksBandwidth allocationBandwidth utilization
The invention discloses a passive optical network bandwidth allocation method. The passive optical network bandwidth allocation method comprises the steps that after an optical link terminal (OLT) receives a request bandwidth allocation data package sent by a center optical network unit (CONU), bandwidth allocation is carried out according to a preset dynamic bandwidth allocation (DBA) rule; the OLT obtains a first logical link identifier (LLID1) and a second logical link identifier (LLID2) in the request bandwidth allocation data package according to the request bandwidth allocation data package; the OLT packages a bandwidth allocation result in a bandwidth allocation result data package through the LLID1 and the LLID2; the OLT sends the bandwidth allocation result data package to the CONU. The method is applicable to the long-distance PON, the DBA is finished through two levels of control mechanisms in the mode that ONUs are grouped, the ONUs adopt the LLID1 and the LLID2 and an intelligent ODU is utilized, the bandwidth requirement of users can be met, the bandwidth utilization rate is improved, and the time delay is reduced.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Downlink dispatching method for WiMAX system
InactiveCN101541042AIncrease profitSatisfy latency requirementsNetwork traffic/resource managementNetwork topologiesMomentumReal time services
The invention relates to a WiMAX downlink dispatching method which is characterized by comprising the following five steps sequentially of: (1) generating a 'momentum' parameter according to different time-delay requirements of each business flow and different channel situations of each user; (2) storing the generated 'momentum' parameter in a 'momentum' parameter buffer memory in BS; (3) ranking the 'momentum' parameter in the 'momentum' parameter buffer memory according to a descending order, and dispatching the corresponding business flow according to the ranking order, thus forming a WiMAX frame; (4) carrying out 'momentum' updating, and storing the updated 'momentum' parameter in a 'momentum' buffer memory together with the newly formed 'momentum' parameter; and (5) circulating the steps (1) to (4), thus forming a new WiMAX frame. The method not only can meet the time-delay requirement of real-time services, but also can consider the system throughput simultaneously, furthermore, the calculation is simple, and the computation workload is light.
Owner:NINGBO UNIV +1
QoS-based transmission method in cognitive relay system
ActiveCN103458470AGuaranteed QoS requirementsMinimize delayNetwork traffic/resource managementTime delaysBandwidth requirement
The invention provides a QoS-based transmission method in a cognitive relay system. The method includes the steps of acquiring a preset number of service transmission source nodes with the highest priority, forming an information channel set according to the preset number of service transmission source nodes with the highest priority, selecting the source node needing the largest bandwidth according to the information channel set, distributing an information channel to the source node needing the largest bandwidth, and selecting a suitable relay node for a destination node according to the distributed information channel. According to the QoS-based transmission method in the cognitive relay system, the source node needing the largest bandwidth is selected from the preset number of service transmission source nodes with the highest priority, and the information channel is distributed to the source node needing the largest bandwidth; services are transmitted through the information channel distributed to the source node, a relay is selected for service transmission of the source node according to an information channel coefficient matrix, therefore, bandwidth requirements are met, user time delay is minimized, the error rate of the system is reduced, and QoS requirements of a user are met on the whole.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Virtual machine and network bandwidth joint allocation method based on multi-QoS grouping
ActiveCN110753009AAccurate classificationReduce congestionEnergy efficient computingData switching networksDynamic bandwidth allocationApplication procedure
The invention relates to the technical field of cloud calculation, in particular to a virtual machine and network bandwidth joint allocation method based on multi-QoS grouping, which comprises the following steps: constructing a task model based on multi-QoS grouping; sorting all the application program requests according to the QoS levels so as to form request queues of the application programs;sequentially taking out the application programs from the request queue, and allocating virtual machines to the application programs by applying a virtual machine allocation strategy according to resource requirements of the application programs; and performing network bandwidth allocation by using a network bandwidth dynamic allocation strategy according to the link and flow information allocatedby the virtual machine. According to the method, the calculation resource parameters and the QoS parameters are comprehensively considered, the QoS requests of the application programs can be accurately graded. The bandwidth requirements of the application programs with high QoS grades can be well guaranteed by adopting a combined virtual machine allocation strategy and a dynamic bandwidth allocation strategy. The efficiency is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Transfer, calculation and storage integrated cooperation system and method
PendingCN113206796AImprove throughputTake advantage ofData switching networksPathPingNetwork control
The invention provides a transfer, calculation and storage integrated cooperation system and method. The system architecture comprises a transfer, calculation and storage service sensor, a transfer, calculation and storage service recognizer, a service strategy and decision processor, a transfer, calculation and storage service processor, and a network management control module, wherein the network management control module adopts a network control technology based on an SDN, and the accuracy of paths and time delays is realized. According to the transfer, calculation and storage integrated cooperation system and the method, the mechanism problem of service perception, scheduling and distribution in calculation, storage and network integrated collaboration can be solved, the system scheme mainly comprises the transfer, calculation and storage service sensor, the transfer, calculation and storage service recognizer, the service strategy and decision processor, the transfer, calculation and storage service processor and the like, and the network, calculation and content are perceived, processed and dispatched, so that efficient service distribution is achieved, and meanwhile the utilization efficiency of calculation, storage and network resources is improved.
Owner:PURPLE MOUNTAIN LAB
Method and apparatus for adjusting the bandwidth of a connection between at least two communication endpoints in a data network
ActiveUS7212545B2Implemented cost-effectivelySave memory spaceError preventionFrequency-division multiplex detailsCommunication endpointTransmission channel
A method and apparatus are disclosed for adjusting the bandwidth of a connection between at least two communication endpoints in a data network via a monitoring unit and a control unit. The connection in the data network is assigned at least one transmission channel for data transmission. The user data is, in this case, allocated to at least one communication connection; in particular a voice connection. The monitoring unit monitors the signaling connection for requests for at least one further communication connection; in particular, a voice connection. When a request occurs, it signals to the control unit to assign to the connection one or more additional free transmission channels for the at least one requested communication connection.
Owner:TRANSPACIFIC SILICA
Virtual resource management method and device
ActiveCN108667750AGuaranteed Bandwidth RequirementsImprove intelligenceData switching networksSoftware simulation/interpretation/emulationVirtualizationResource management
The invention provides a virtual resource management method and device, and belongs to the technical field of the virtualization. The method comprises the following steps: determining a target virtualnetwork card from multiple virtual network cards corresponding to a target network card, wherein the target network card is the network card with the residual bandwidth greater than the target bandwidth, and the target virtual network card is the virtual network card not binding with any virtual machine at present; binding the target virtual machine with the target virtual network card, and mapping the target virtual network card to the target virtual machine; acquiring port information for indicating the target network card and the target virtual network card, and returning the port information to a virtualization management system VMS. According to the target bandwidth required by the message transmission, the network card with the residual bandwidth greater than the target bandwidth isused as the target network card, and the target virtual network card is distributed to the target virtual machine in the target network card, the virtual network card capable of performing mapping isactively provided for the user, and the demand on the bandwidth by the user in the message transmission is guaranteed, and the intelligence is high.
Owner:HUAWEI TECH CO LTD
Long-distance passive optical network protecting method orienting single SRLG faults
ActiveCN104283608AImprove survivabilityGuaranteed Bandwidth RequirementsMultiplex system selection arrangementsElectromagnetic transmissionReliability engineeringOptical fiber
The invention provides a long-distance passive optical network protecting method orienting single SRLG faults and belongs to the technical field of communication networks. According to the method, the reliability of each ONU and the union reliability among different ONUs are calculated according to a reliability evaluation model; protected service volume, newly increased and deployed between any pair of ONUs, of each back-up optical fiber is calculated, and then the cost efficiency of the back-up optical fibers is calculated out; the pair of ONUs with the maximum cost efficiency is decided, a back-up optical fiber link is deployed between the pair of ONUs, minimization of the back-up capacity newly increased is taken as the target, and the back-up capacity between the two ONUs is assigned; back-up capacity assignment and remaining back-up optical fiber deployment are carried out in an iterated mode according to the steps until all the ONUs in a network are protected completely; a back-up capacity assignment solution set and a back-up optical fiber deployment position are output. According to the long-distance passive optical network protecting method orienting the single SRLG faults, on the constraint of meeting the requirement for the reliability and protecting service completely, the deployment cost of the back-up optical fibers is minimized.
Owner:STATE GRID CORP OF CHINA +2
Virtual network resource allocation method with high reliability and load balance
PendingCN111935748AGuaranteed Bandwidth RequirementsAddress resource allocationNetwork traffic/resource managementResource assignmentNetwork link
The invention discloses a virtual network resource allocation method with high reliability and load balance. A vEPC and a network link is included, and the vEPC virtualizes basic hardware equipment into universal network resources; according to the resource allocation method, basic hardware resources in universal network resources are used as an underlying network, the virtual service carried by the underlying network is called as a virtual network; the basic hardware resources in universal network resources are used as the underlying network, the underlying network is divided into communitiesand the communities are optimized; the underlying network and the virtual network are sorted; and finally, resources are allocated to the virtual network. The method comprises two processes of allocating resources to virtual nodes and allocating resources to virtual links, load balance and reliability are guaranteed when the resources are allocated to the virtual nodes, bandwidth requirements ofa virtual network are guaranteed when the resources are allocated to the virtual links, and the problem of large-scale virtual network resource allocation of a 5G core network is effectively solved.
Owner:STATE GRID HENAN INFORMATION & TELECOMM CO +2
Group switching method based on service priority in blocking rate constraint
InactiveCN104066138AGuaranteed Latency RequirementsGuaranteed Bandwidth RequirementsWireless communicationTelecommunicationsPriority queue
The invention discloses a group switching method based on service priority in blocking rate constraint. According to the method, firstly group switching users in a network are distinguished according to service types, at the same time different priorities are distributed for different types of users, thus a priority queue is formed, and the users are switched orderly according to the priority queue. When the users are in the same priority, a blocking rate function is constructed, and through limiting the current blocking rate in given blocking rate constraint, the number of the users which can be switched at current time slot is determined. After the number of the users which can be switched is determined, only the above users can be switched at present, and thus a network congestion problem can be effectively avoided. The method comprises the following steps: (1) classifying the users and generating the priority queue, (2) determining the probability of networks selected by the users, (3) defining a switching blocking rate, (4) determining the number of the switched users in each time slot, and (5) executing the switching concretely.
Owner:NANJING UNIV OF POSTS & TELECOMM
Service function chain deployment method based on packet loss rate optimization
ActiveCN111030852ASpread quicklyFast convergenceArtificial lifeData switching networksLocal optimumUndirected graph
The invention discloses a service function chain deployment method based on packet loss rate optimization. The method comprises the steps of performing undirected graph model conversion on a physicalnetwork; performing initialization by adopting an ant colony algorithm; starting iteration, and finding a next landing place by ants according to a state transmission rule in each iteration; performing feasibility judgment on the m deployment schemes through constraint conditions; comparing the local optimization deployment scheme of each iteration of the ant colony algorithm with the local optimization scheme of the previous iteration, leaving a current optimal local solution SC, and adding the current optimal local solution SC into the global optimization deployment scheme Sb; executing global pheromone updating according to the global pheromone updating rule to obtain global pheromones of the global optimal deployment scheme during the iteration; and if the maximum number of iterationsis reached, finding out a final optimal solution from the global optimal deployment scheme Sb, and outputting the optimal solution. According to the method, the end-to-end packet loss rate after the SFC is deployed to the physical network can be reduced, and meanwhile, the end-to-end delay and bandwidth requirements of the SFC are ensured.
Owner:JINZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1
A resource allocation method and device of a hard disk in a distributed storage system
ActiveCN109445684AGuaranteed Bandwidth RequirementsAvoid the problem of preempting bandwidth resourcesInput/output to record carriersProgram controlErasure codeBandwidth requirement
The embodiment of the present application discloses a resource allocation method of a hard disk in a distributed storage system. The distributed storage system comprises a plurality of hard disks. Themethod includes selecting a hard disk set from the plurality of hard disks according to a bandwidth requirement and a storage specification of a first user, wherein the storage bandwidth of the firststorage space of each hard disk in the hard disk set satisfies the bandwidth requirement; determining the number of hard disks in the hard disk set by the storage specification, wherein the storage specification is based on a multi-copy or erasure code technology; creating a first logical storage space for the first user from the hard disk set, wherein a first storage space of each hard disk in the hard disk set provides a storage space for the first logical storage space. A low bandwidth limit of a hard disk can be guaranteed by an embodiment of that present application.
Owner:HUAWEI CLOUD COMPUTING TECH CO LTD
Service quality improvement method and device
ActiveCN105144778BImprove experienceImprove service qualityAccounting/billing servicesNetwork traffic/resource managementQuality of serviceCharge control
An embodiment of the present invention provides a service quality improvement method, the method includes: receiving a first service quality improvement request sent by a first user equipment, where the first service quality improvement request is used to request to improve the first user equipment and the first service quality improvement request. quality of service between two user equipments, the first service quality improvement request carries the identification of the first user equipment and the second user equipment and the service quality type; according to the first service quality improvement request, determine service quality requirements; send the service quality requirements to the policy and charging function entities of the first user equipment and the second user equipment, and the policy and charging function entity policies and charging control rules, After that, the policy and charging function entity sends the policy and charging control rules to the gateways accessed by the first user equipment and the second user equipment, for the first user equipment and the second user The device enhances the quality of service. With the method provided by the embodiment of the present invention, the quality of service between multiple user equipments that are performing wireless services can be improved.
Owner:HUAWEI TECH CO LTD
Reactance matching type and distributed type integrated ultra-wideband power chip circuit
PendingCN111082759AHigh gainPrecise Impedance MatchingHigh frequency amplifiersPower amplifiersUltra-widebandDistributed structure
The invention discloses a reactance matching type and distributed type fused ultra-wideband power chip circuit. The respective advantages of a reactance matching type circuit matching structure and adistributed type circuit matching structure are fused; a reactance matching type structure is adopted in a radio frequency power output stage of the ultra-wideband power amplifier circuit, so impedance matching can be easily and accurately output to improve the efficiency; and the power driving stage adopts a distributed structure, so the circuit bandwidth is easy to expand and the gain flatness is easy to improve. The advantages of the two circuit structures are fused, and the performance of the millimeter-wave ultra-wideband high-power monolithic integrated power amplifier can be greatly improved.
Owner:CETC GUOJI SOUTHERN GRP CO LTD
Service configuration method of optical network unit
InactiveCN112399284AReduce loadEfficient business configuration processMultiplex system selection arrangementsEngineeringNetwork communication
The invention discloses a service configuration method of an optical network unit, which relates to the technical field of network communication. A service volume high-proportion link system is adopted to transmit order information of a user, the order information is provided as feedback to a total system, the total system allocates orders to corresponding subsystems according to order custom classification, and the subsystems complete order processing and corresponding order hardware information configuration through the service order priority, and finally transmit the SN number to complete configuration of optical fiber network unit equipment. The service configuration method solves the problems that an existing network service configuration method cannot adapt to the influence caused bythe increase of the user volume and the number of various service types, and corresponding service scheduling is difficult.
Owner:成都中讯创新科技股份有限公司
Service quality improving method and device
ActiveCN109451539AImprove experienceImprove service qualityAccounting/billing servicesNetwork traffic/resource managementComputer networkCharge control
The embodiment of the invention provides a service quality improving method. The method includes steps: receiving a first service quality improving request transmitted by first user equipment, whereinthe first service quality improving request is used for requesting improvement of the service quality between the first user equipment and second user equipment, and the first service quality improving request carries recognition identifiers and service quality types of the first user equipment and the second user equipment; determining a service quality requirement according to the first servicequality improving request; and transmitting the service quality requirement to a policy and charging function entity of the first user equipment and the second user equipment, determining a policy and charging control rule through the policy and charging function entity, and then transmitting the policy and charging control rule to a gateway accessed to the first user equipment and the second user equipment through the policy and charging function entity to improve the service quality of the first user equipment and the second user equipment. According to the method, the service quality between multiple pieces of user equipment executing wireless services can be improved.
Owner:HUAWEI TECH CO LTD
Method, device and system for reducing energy consumption of xDSL (x digital subscriber line) subscriber board
ActiveCN102957812AReduce energy consumptionGuaranteed Bandwidth RequirementsEnergy efficient ICTAmplifier modifications to raise efficiencySignal-to-noise ratio (imaging)Computer module
The invention discloses a method, a device and a system for reducing energy consumption of an xDSL (x digital subscriber line) subscriber board. The method includes acquiring the maximum downlink service bandwidth provided to subscribers by a number allocation subscriber port, downlink signal to noise ratio allowance in subscriber port line connection parameters, and transmission mode information in line templates bound by the subscriber port; judging whether the downlink signal to noise ratio allowance is larger than a preset value or not, reducing the maximum downlink nominal total transmission power if yes, or configuring the maximum downlink nominal total transmission power as downlink transmission power in line connection parameters of the current port; calculating the minimum distortionless power supply voltage required by a line driver corresponding to each number allocation port under the current binding template configuration according to the maximum downlink nominal total transmission power and the transmission mode, and comparing each minimum distortionless power supply voltage to find out a maximum value; and controlling output voltage of a power source supply module of the line driver to be the maximum value.
Owner:HUAWEI TECH CO LTD
Service flow aggregation method and device
ActiveCN106850460AGuaranteed Bandwidth RequirementsImprove effectivenessData switching networksService flowTime segment
Embodiments of the invention provide a service flow aggregation method and device. The method comprises the following steps of computing a preset attribute value and traffic of each service flow for the service flows which reach the same source and the same target within the preset time bucket; dividing the service flows with the similarity of the preset attribute values into one group to obtain a pre-divided service flow group, wherein the similarity of the preset attribute values is that the preset attribute values conform to predetermined similar conditions; and respectively carrying out service flow aggregation on each obtained pre-divided service flow group to obtain a target service flow group which is about to make a request for a forwarding path to a controller. In a service flow aggregation process provided by the embodiments of the invention, the preset attribute values of the service flows in each pre-divided service flow group are similar, so that the preset attribute values of the service flows in the target service flow group are also similar. Meanwhile, the total traffic of the service flows in the target service flow group is not greater than a preset threshold. Therefore, the proper path is subsequently distributed to the target service flow conveniently and effectively, and compared with the prior art, the effectiveness of aggregation is improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Application-based traffic control method and controller
ActiveCN102035748BGuaranteed Bandwidth RequirementsGuaranteed Latency RequirementsData switching networksDistributed computingLower priority
The embodiment of the present invention discloses an application-based flow control method and a flow controller. The method includes: identifying the type of a received data packet; when the data packet is an interactive data packet, including bandwidth control and In the first flow control rule of delay control, the data packet is stored in a high-priority storage queue after flow control is performed; when the data packet is a normal type data packet, according to the preset second flow control rule, The data packets are stored in a low-priority storage queue after flow control is performed; and the data packets are output in sequence according to the priority levels of the storage queues. By subdividing the flow control rules into the first flow control rules and the second flow control rules, the invention performs flow control on the identified interactive data packets and normal data respectively, so as to ensure the bandwidth and delay of the interactive data packets. requirements, and will not affect the transmission of non-interactive normal data packets, which improves the user's application access experience.
Owner:SANGFOR TECH INC
I/O service quality maintaining method for heterogeneous storage cluster system
ActiveCN104468701AImprove service qualityHigh demand for service qualityData switching networksCluster systemsBandwidth requirement
The invention discloses an I / O service quality maintaining method for a heterogeneous storage cluster system. The method comprises the following steps that firstly, storage resources in a quick storage partition of the heterogeneous storage cluster system are divided into a plurality of storage resource packets, correlation does not exist in the I / O process among the storage resource packets, and the performance of the different storage resource packets cannot be affected during the respective I / O process; secondly, when the heterogeneous storage cluster system receives jobs, a current job is allocated to a storage resource packet selected from the storage resource packets according to the output performance requirement level of I / O of the current job and the states of the storage resource packets, and the states of the storage resource packets are updated. The I / O service quality maintaining method has the advantages that the I / O service performance is high, the I / O bandwidth requirement is low, the I / O service quality is good, and the method is especially suitable for I / O intensive job.
Owner:NAT UNIV OF DEFENSE TECH
Method and device for processing bandwidth capacity of MLPPP group
InactiveCN101854396BAvoid congestionTroubleshoot transfer performance issuesEnergy efficient ICTTransmissionPoint-to-Point ProtocolBandwidth requirement
A method and an apparatus for processing a bandwidth capacity of a multilink point-to-point protocol (MLPPP) group are provided by the present invention, and the method includes the following steps of: counting the number of point-to-point protocol (PPP) links being up and bundled in an MLPPP group by statistics; judging whether the number of the PPP links being up is less than a threshold; and in case that the number of the PPP links being up is less than the threshold, prompting that the current bandwidth of capacity of the MLPPP group is not sufficient for the bandwidth requirement. With the present invention, the processing capacity of the system is increased, and the user experience is improved.
Owner:ZTE CORP
Method, system and device for service data transmission in P2P network
InactiveCN101399756BGuaranteed Bandwidth RequirementsData switching networksEngineeringData transmission
The embodiment of the invention discloses a method for transmitting service date in P2P network; the method is that when a user node transmits data, the data which are provided with bandwidth requirements are preferably scheduled; the transmission velocity is confirmed according to the bandwidth requirements and the data are transmitted to routing nodes according to the transmission velocity; when the routing nodes forward data, the data which are provided with bandwidth requirements are preferably scheduled and transmitted to a next hop node. The embodiment of the invention also discloses a system for transmitting service data in the P2P network and user node equipment and routing node equipment. By adopting the invention, the bandwidth requirements for service transmission can be guaranteed.
Owner:HUAWEI TECH CO LTD +1
QoS-Based Transmission Method in Cognitive Relay System
ActiveCN103458470BGuaranteed QoS requirementsMinimize delayNetwork traffic/resource managementBandwidth requirementCognitive relay
The present invention provides a QoS-based transmission method in a cognitive relay system, comprising: obtaining the source nodes of the highest priority preset value transmission services, and according to the highest priority preset value source nodes of the transmission services , to form a channel set, select and allocate a channel for the source node according to the channel set, and select a suitable relay node for the destination node according to the allocated channel. The present invention provides a QoS-based transmission method in a cognitive relay system, and selects the source node with the largest required bandwidth for the source nodes of the highest priority preset value transmission services, and allocates a channel for the source node; Transmit services through the channels allocated for the source node, and select relays for the source node transmission services according to the channel coefficient matrix, thereby ensuring bandwidth requirements, minimizing user delays, and reducing the bit error rate of the system as a whole. Guarantee the user's QoS requirements.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Method, device and system for reducing energy consumption of xDSL (x digital subscriber line) subscriber board
ActiveCN102957812BReduce energy consumptionGuaranteed Bandwidth RequirementsAmplifier modifications to raise efficiencyCross-talk reductionTransmitted powerEngineering
The present invention discloses a method for reducing power consumption on an xDSL subscriber board, including: obtaining a maximum downlink service bandwidth that a registered user port provides for a user, a downlink signal-to-noise ratio margin in line connection parameters of the user port, and transmission mode information in a line template bound to the user port; determining whether the downlink signal-to-noise ratio margin is larger than a preset value, if yes, reducing a maximum downlink nominal total transmission power; otherwise, configuring the maximum downlink nominal total transmission power as a downlink transmit power in line connection parameters of the current port; calculating, according to the maximum downlink nominal total transmission power and transmission mode, a minimum undistorted power supply voltage required by a corresponding line driver of each registered user port under the current configuration of the bound template, comparing minimum undistorted power supply voltage values, to find the largest value; and controlling an output voltage of a power module of a line driver equaling to the largest value.
Owner:HUAWEI TECH CO LTD
A Routing Algorithm for Guaranteeing QoS in Data Center Network Based on SDN
ActiveCN106341346BGuaranteed Bandwidth RequirementsReduce transmission delayData switching networksQuality of serviceData stream
Owner:CHONGQING UNIV OF POSTS & TELECOMM
A business flow aggregation method and device
ActiveCN106850460BGuaranteed Bandwidth RequirementsImprove effectivenessData switching networksService flowPathPing
Owner:BEIJING UNIV OF POSTS & TELECOMM
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