74results about How to "Improve load balancing effect" patented technology

The invention discloses a distributive dynamic load management system and distributive dynamic load management method. The system consists of distributive processing clusters with dynamic load management function and P2P (Peer to Peer) complete equal frameworks. The processing clusters are not provided with central nodes controlled intensively but are provided with a plurality of processing nodes. Each processing node can independently provide distributive arbitral dynamic load management capacity and the nodes are completely same in right and dynamic load management function but same or different in event processing capacity. Each processing node is a control core of the dynamic load management system, and is provided with four modules, namely an event processing module, an event monitoring module, an event issuing module and a dynamic load management module. According to the system and the method, distributive dynamic load management can be realized under a distributive network environment, so that system load transfer fluctuation caused by change of data processing request hot spots and system load balance during node dynamic change can be effectively solved. The robustness of the system can be effectively ensured when the processing nodes of the distributive cluster system are overloaded under the P2P environment.

The embodiment of the invention discloses a management node of a load balancing control method. The management node and a plurality of physical hosts are contained in a trunking system, and each physical host comprises a hardware layer, a host machine running on the hardware layer and a virtual machine running on the host machine. The method comprises the steps that the current comprehensive load balancing value of the trunking system is calculated; when the comprehensive load balancing value is larger than a balance degree threshold value, candidate virtual machines to be transferred are selected from the virtual machines running on all the physical hosts in the trunking system to be added to a candidate virtual machine set based on computing resource dimensionality and network resource dimensionality respectively; a target virtual machine to be transferred in the candidate virtual machine set and a target physical host hosted by the target virtual machine are determined based on comprehensive dimensionality; the comprehensive dimensionality comprises the computing resource dimensionality and the network resource dimensionality; a source physical host hosted by the target virtual machine to be transferred is informed to transfer the target virtual machine to be transferred to the target physical host; the source host and the target physical host are both the physical hosts in the trunking system.

The invention discloses a global network load balancing system, device and method, and relates to the technical field of cloud computing. The system employs load balancing devices which are disposed in a concentrated manner, data flow characteristics of all network devices and data links in the network are sensed by using the concentrated control capability provided by a network controller, the controller is driven to configure network transmission equipment under scheduling of a load balancing algorithm, and the global flow load in the network is balanced. According to the system, device and method, the load balancing devices are disposed in the concentrated manner, so that unified load scheduling is carried out on the data flows in the whole network, and it is not required to dispose an independent load balancing device for each server cluster; and at the same time, the concentrated control capability of the network controller is fully utilized, data flows are scheduling based on data link information of the whole network, and the load balancing effect is optimized.

The invention provides a self-validating cloud connection method. The method comprises following steps that a client is connected to the Internet through an intelligent gateway and a communication channel is established between the client and a third party server through the Internet; the client gives out an access request to the third party server; the third party server receives the access request and then gives out a validating request; the intelligent gateway receives the validating request and carries out validation with the third party server; and the third party server passes the validation and the client successively accesses the third party server. According to the invention, based on disadvantages and defects in the prior art, the invention provides an integrated device which uses cloud resources in a convenient, rapid, low-cost and one-key login manner; by use of the existing cloud AC and the cloud network, cloud identity identification and verification services are improved, so user experience for logging in the cloud by the user is further improved; by optimizing a cloud network structure and a control mode of the verification service, stable operation of the cloud service and the wireless network is ensured; and the device which is automatically connected with cloud calculation resources is enabled to be promoted and applied in a high speed wireless network environment.

The invention discloses a load balancing system, controller and method, and relates to the technical field of cloud computing. The system comprises the concentrated load balancing controller and load balancers, wherein the load balancing controller obtains topology information and data flow information of a load balancing cluster in the whole network, generates forwarding items for the load balancers according to a load balancing strategy, and sends the forwarding items to the scattered load balancers via a unified control interface; and the load balancers distributes data flows of the forwarding items to a background server. The load balancers scattered in the network are controlled in a centralized manner, and load balancing logics scattered in load balancing devices traditionally are brought into the concentrated load balancing controller in the unified manner, the problem that traditional load balancing is hard to manage in the unified manner is solved, the management difficulty is reduced, and the load balancing effect of the network is improved globally.

The invention discloses a rapid restoring method for a virtual network based on a multi-commodity flow problem model, which comprises a communication protocol between a bottom network provider and a service provider, a restoring process for failed virtual network mapping, a coping strategy for unsuccessfully-restored virtual net mapping, and a method for recording failure times of each node link in a physical network. The rapid restoring method for the virtual network based on the multi-commodity flow problem model better adapts to the current internet environment, has effective and rapid running process, and has very high recovery success rate; moreover, the running result of the rapid restoring method for the virtual network based on the multi-commodity flow problem model better improves the loading balance of the network.

The invention provides a load balance processing device applied to network management equipment. The processing device comprises a table look-up matching unit and a balance branching unit, wherein after receiving a message, the table look-up unit matches the message with a preset tunnel character table, and according to a data extraction rule corresponding to matched tunnel characteristics, operational data is extracted from the message; the balance branching unit calculates the extracted data according to a preset algorithm, and sends the message to a link corresponding to an obtained calculated result. The processing device disclosed by the invention can ensure a good load balance effect aiming at the main stream tunnel characteristics of an IPv6 transition technology.

The invention discloses a load balancing method and system based on accurate congestion feedback in a cloud data center. The load balancing method comprises two main aspects: an accurate source end flow balancing method and an accurate flow rate control method. The source end flow balancing method is based on accurate end-to-end delay monitoring, the congestion degree of a plurality of equivalentpaths among nodes in a cloud data center can be obtained in time, and flow path distribution is carried out in a balanced manner, so that load balancing among the plurality of equivalent paths is ensured, and the link bandwidth utilization rate is improved. The accurate flow rate control method is based on congestion feedback marks, and congestion feedback which does not belong to the current state due to path switching is eliminated, so that the accuracy of congestion feedback information is improved, and the stability of a data flow sending rate is ensured. According to the method, the accuracy of load balancing under the asymmetric network of the data center is improved, a hardware switch does not need to be modified, and the method has the performance advantage of competing with a customized hardware load balancing method.

The invention discloses a load balancing method. The method comprises the following steps: when a task request of a task to be allocated is received, acquiring the task type of the task to be allocated; after the task type is acquired, selecting available servers from a server list; acquiring the request response time of tasks with the task type on each available server; acquiring the number of the tasks with the task type which are currently executed on each available server; selecting a server to be allocated in all the available servers according to the request response time of the tasks with the task type on each available server and the number of the currently executed tasks with the task type; and allocating the task to be allocated to the server to be allocated and executing the task to be allocated. The load balancing method provided by the invention improves the request response speed of a network system, improves the load balancing effect, and meanwhile, the invention further provides a load balancing system.

The invention discloses a load balancing access method for a wireless local area network. A wireless access controller predicts a future flow variation tendency by statistics of a historical flow within a period of time in the past; furthermore, the flow threshold value of an AP is set with the help of the bandwidth of a current wired terminal network; and thus, balancing access of a terminal between the APs can be controlled. A background server is unnecessary in the load balancing access method for the wireless local area network disclosed by the invention; the implementation manner is relatively simple; furthermore, the system resource cost is low; the flow threshold value of the AP is dynamically set to be H according to a practical network environment; the load balancing access method is relatively flexible; and the load balancing effect is better.

The invention discloses a method for balancing wireless local area network loads by a wireless access controller, and the wireless access controller receives information of a wireless terminal actively reported by a wireless access point (AP) when the wireless terminal in the wireless local area network sends a Probe Request message to the wireless AP. The method is characterized by comprising the following steps: (1) when the wireless terminal begins to associate, the wireless access controller (AC) performs load balancing treatment on the current wireless terminal based on the currently collected information; or (2) the wireless AC checks the load conditions of wireless AP associated with all on-line wireless terminals at frequent intervals and performs load balancing treatment based on the load conditions. The method in the invention can better cope with the condition that wireless network topology changes abruptly and has good actual load balancing effect.

The invention provides a task scheduling method for a cloud computing platform. The method comprises the steps that all tasks nodes in a DAG (directed acyclic graph) are traversed, and static priorities of all node tasks are sequentially obtained through calculation; the tasks are arranged according to the descending order of the static priorities, and the tasks are sequentially placed into a taskpriority queue; and for each task in the task priority queue, as long as execution starting time of the current task can be advanced and scheduled tasks are not delayed, a parent task of the currenttask is copied instead of only copying a key parent task of the current task. Compared with a traditional algorithm, the starting stage of task duplication is advanced, virtual machines are selected after the tasks are duplicated, therefore, each task can be executed on the virtual machine enabling the task to be completed fastest, and selection of the virtual machines is more reasonable; and loadbalance is considered at the selection stage of the virtual machines, so that good load balance of a cloud computing system is realized, and the resource utilization rate of the cloud computing system is increased.

The present invention provides a link load balancing method and device The method comprises: obtaining the domain name carried in a DNS response message when a load balancing device receives the DNS response message sent by a DNS server, and the DNS response message is used for replying the message of an IP address corresponding to the domain name required by the DNS request message; determining whether the domain name matches a configured specific domain name in advance or not; if domain name matches a configured specific domain name in advance, generating a dynamic item, wherein the dynamic item includes the IP address corresponding to the domain name carried by the DNS response message; when receiving the data message sent by a user terminal, inquiring the dynamic item according to the object IP address of the data message; and if there is provided an IP address being the same as the object IP address of the data message in the dynamic item, forwarding the data message through a specific link. Through adoption of the embodiment of the invention, the link load balancing method and device are able to optimize the load balancing effect.

The invention discloses a virtual network reconfiguration method based on the conservation of resources. The virtual network reconfiguration method mainly comprises a virtual node migration strategy based on a greedy algorithm, a virtual link migration strategy based on the greedy algorithm, a re-routing mapping path planning strategy and a virtual network trigger mechanism based on feedback; in a virtual network request, virtual nodes are mutually connected through virtual links, therefore the migration of the virtual nodes and the migration of the virtual links are jointly considered. The virtual network reconfiguration strategy provided by the invention is based on the idea of conservation of resources, compared with the existing virtual network reconfiguration strategy, the virtual network reconfiguration strategy has the advantages of high reconfiguration response speed, high configuration efficiency, small virtual network jitter, relatively high quality of service, not only improves the load balancing property of the Carrier-SDN virtual network, improves the virtual network request acceptance rate and the average income of the Carrier-SDN virtual network, and improve the stability of the network.

The invention relates to a streaming media service multi-stream concurrent transmission method, which is applicable to mobile Internet. According to the method, in the streaming media service realization process, terminal equipment collects compressed streaming media service data; in the processed data delivery service data dispatching process, the process obtains the contextual information provided in a basic organization mechanism building process for carrying out streaming media data equilibrium allocation among links; and finally, in the link binding polymerization process, multiple passages are polymerized, subsection data in the multiple passages is guaranteed to be unified in the logic and is charge of the multi-stream concurrent transmission of starting data on the links, a basic organization mechanism and a service organization mechanism are introduced, a plurality of pieces of terminal equipment are organized into a fused terminal system, the fusion capability of multiple terminals is fully utilized, the high real-time and high bandwidth service requirements of users are met, in the link binding polymerization process, the multiple passages are polymerized, and subsection data in the multiple passages is guaranteed to be unified in the logic and is in charge of the transmission process of the starting data in the links.

The invention discloses a load balancing system and method based on RDMA network card erasure code unloading. The system mainly comprises a sending end module and a receiving end module, the sending end module and the receiving end module are respectively connected with an RDMA network card, and the two RDMA network cards are connected through a plurality of available network transmission paths, wherein the sending end module is used for partitioning data to be sent, calling an erasure code calculation unloading function of the RDMA network cards to carry out erasure code calculation, selecting one of the plurality of available paths for each data block to be sent after coding is completed, and sending the selected data block to be sent, and the receiving end module is used for receiving part of the data blocks through the RDMA network card, calling an erasure code calculation unloading function of the RDMA network card to decode the data blocks, and restoring the original sending datablocks. By utilizing the system, the asymmetry in the data center network can be well handled, the flow in the data center network topology can be balanced as much as possible, and the system and themethod play an important role in improving the sub-bandwidth and the network utilization rate of the data center network and reducing the flow completion time.

This invention discloses a method for organizing ring nodes in the broadcast-selection system of peer-to-peer network flow media including: 1, a newly added node P gets an initial member node list from an index server, 2, P utilizes the initial member node to set up its adjacent nodes and distributes them to the corresponding [l d l / alpha] layer of ring based on the distance from the adjacent node to itself so as to constitute an initial logic ring and form far and near hop neighbor nodes, 3, node P transmits position information to a neighbor node on the ring to inform its existence and receives the forward information from the neighbor node to discover new member nodes to ensure there are k nerghbors in the inner ring and 1 neighbor in the outer ring to maintain a stable ring structure and users can quickly find out the neighbor nodes near the target position when dragging, 4, node P stops the current channel and informs all neighbor nodes on the ring about its leaving.

The invention provides a data processing method and a data processing system based on a server cluster. The data processing method comprises the steps of receiving a data processing request from at least one client by an address conversion server, and forwarding the data processing request to a scheduling server; after the scheduling server receives the data processing request which is forwarded by the address conversion server, distributing the data processing request to one in at least two data processing servers according to a preset scheduling algorithm for ensuring load balance; processing the received data processing request by each in the at least two data processing servers, constructing a data processing response based on a processing request, and afterwards transmitting the data processing response to the address conversion server; and after the address conversion server receives the data processing response, transmitting the data processing response back to the corresponding client. The data processing method and the data processing system according to the invention have high data processing performance and high load balancing capability.

The invention relates to the technical field of the Internet, in particular to a cloud resource management application system. The management application system adopts an open source cloud platform Open Stack as an IaaS infrastructure service layer of the platform. Cloud Foundry open source software serves as PaaS platform service layer deployment software of the platform, the cloud resource management application system comprises virtual machine management, server management and system management, and the virtual machine management function comprises a virtual machine resource monitoring module and a virtual machine resource allocation module. According to the invention, automatic management of cloud platform virtual machine resources is realized. On the basis of a manual resource management function of the virtual machine, automatic and efficient management of resources is researched and realized. According to the system, firstly, the load condition of the virtual machine is collected through resource monitoring, the collected load data is analyzed and judged, a proper resource adjustment strategy is formulated, and finally, automatic management of platform resources is realized.And stable and reliable operation of the cloud platform and applications in the cloud platform and efficient utilization of platform resources are ensured.

The invention provides a method and a system for realizing high availability of an iSCSI (Internet Small Computer System Interface). The method comprises the following steps of: initializing an iSCSIproxy service and an etcd cluster, so that the iSCSI proxy service polls and detects whether the iSCSI service of a node of the iSCSI proxy service is operated or not; the iSCSI service deploys a network for the iSCSI service through the floating IP after the distributed storage node is started; the method comprises the following steps: monitoring the health state of an iSCSI server operation node, triggering iSCSI service switching or based on the state of the iSCSI service when the iSCSI server operation node is unhealthy, and autonomously reporting a fault to trigger the iSCSI service switching to realize high availability of the iSCSI service when the iSCSI service is detected to be unhealthy.

The embodiment of the invention provides a network load balancing method, including the following steps: terminal equipment provides P logical channels, wherein P represents the network maximum load balancing path number, and P is an integer greater than or equal to 2; the terminal equipment partitions a data stream to be sent in a unit of stream segments to form multiple sub-data streams; and theterminal equipment maps the multiple sub-data streams to the P logical channels and sends the sub-data streams to network equipment. According to the scheme of the invention, the data stream to be sent is partitioned in the unit of stream segments and mapped to the multiple logical channels, a fine-grained and more-balanced load sharing technical scheme can be implemented in the network, the network utilization can be effectively improved, and the load balancing effect can be optimized; and meanwhile, the phenomenon that the network equipment records the state and path information of a singledata stream can be avoided.

The invention discloses a load balancing method for wireless local area network (LAN). The load balancing method includes: a current wireless access point receives an association request sent by a site; the current wireless access point acquires a wireless load of the current wireless access point and wireless loads of other wireless access points capable of detecting the site; and the current wireless access point determines, based on the wireless load of the current wireless access point and the wireless loads of other wireless access points capable of detecting the site, whether the current wireless access point satisfies a preset access condition, If so, the current wireless access point allows the site to access, and otherwise, the current wireless access point rejects the access of the site. The invention also discloses a wireless access point. With the invention, when the wireless load of the current wireless access point is large, the site can be distributed to other wireless access points, and thus the load balancing effect in the wireless LAN is optimized.

The invention discloses a server load balancing method based on a genetic algorithm. The method comprises the following steps of first, a system load is judged, if the connection number is low, a minimum connection number method is adopted for request distribution; otherwise, a judgment is made whether a request distribution scheme obtained based on a genetic algorithm exists currently or not; thescheme is directly used if so, otherwise, a request distribution scheme is acquired based on a genetic algorithm; the request allocation scheme is taken as a chromosome in a genetic algorithm population; a fitness value of a chromosome is calculated based on the average response time and the current connection number; and then chromosome selection, crossover and mutation are carried out, the crossover and mutation are designed according to the constraint of the chromosome in the invention, the chromosome with the highest fitness is selected from a final generation population, and a connectionrequest distribution scheme represented by the chromosome is used as an executed connection request distribution scheme. Load balancing effect is better, system response time is shorter, and requestprocessing efficiency is higher.

The invention discloses a method for self-adaptive weight grooming of a dynamic service flow in an optical network. Through the reasonable arrangement of the optical path weight, the problem that the resource use rate is low due to the fact that a newly-established optical path is insufficiently considered in an existing method is solved. The method for self-adaptive weight grooming of the dynamic service flow in the optical network mainly comprises the steps that firstly, network topological information and initial resource allocation information are input and an event list is initialized according to information of dynamically-arrived services; then events in the event list are processed in sequence; if the events are arrival events, the optical path weight is updated, shortest paths are selected for the services corresponding to the arrival events, and network resources and the event list are updated; if the events are departure events, the network resources and the event list are updated; event processing operation is repeated until the whole event list is completely processed. According to the method for self-adaptive weight grooming of the dynamic service flow in the optical network, the grooming paths can be selected for the services in a self-adaptive mode and load balance and efficient resource utilization are achieved.

The invention discloses a method for optimizing sparse matrix vector multiplication of a high-performance computing framework. According to the method, sparse matrix vector multiplication operation isdivided into column multiplication operation and row addition operation: the column multiplication operation is firstly carried out according to columns of a sparse matrix, and in the process, data access to an input vector x is changed from irregular and discrete to continuous; in the process, the data access of the output vector y is changed from irregular and discrete to continuous, so that the problem of high memory access delay caused by irregular data access is avoided; the invention further designs a four-layer division mechanism, which comprises kernel group layer division, customizeddivision, slave kernel layer division and local memory layer division, so that the multi-level calculation framework and the memory structure of the Sunway Taihu Light are fully utilized, and the problems of local memory limitation and load imbalance on the calculation kernel are avoided.

The invention discloses a data center network flow load balancing method. Each data packet in the same network stream is separately processed on a host sender and a host receiver by using a widely deployed ECMP method in a network device, so that the packet is uniformly dispersed on different links of equal value so as to achieve more fine-grained load balancing; the processing method of the hostsender is to generate a random number for each packet so as to modify the uniquely determined tuple and embed the random number in a certain field of the packet header; and the processing method of the host receiver is to extract the random number from the header field and restore the uniquely determined tuple. By adoption of the data center network flow load balancing method, the defect of poor load balancing ability of the ECMP method in the case of coexistence of network streams with different sizes or in the case of hash collision can be effectively relieved, so that an optimal load balancing effect is achieved, and the data center network flow load balancing method has the characteristics of simple implementation method and high operation efficiency.

The embodiment of the invention provides a load balance method and device. The method comprises the steps of: if a high-load state notification message from a service cell is received, modifying a default value corresponding to a personalized migration parameter OCN of a target cell itself, wherein the target cell and the service cell are adjacent cells, and the high-load state notification message is sent by the service cell to the target cell when the service cell detects that the service cell itself is in a high-load state; and configuring the modified OCN to a new access user and / or a switch-in user, wherein the switch-in user is a user being balanced from the service cell to the target cell. The load balance method and device effectively improve the load balance effect, the user perception and the network service quality.

The present invention belongs to the technical field of wireless communication, and discloses a communication network load balance max-flow routing method. The method comprises the steps of: performing layering of a communication network topological graph to obtain a layered network, classifying the a link and a path according to the layered network, and performing node height marking of network nodes; employing a mode of balance promotion through saturation pre-flow to allow the network to reach the max flow; and performing balance shunt regulation. On the basis of the max flow, an idle equivalent path is searched to perform shunt regulation to allow more idle links to participate in shunt so as to further improve the network load balance performances, namely, the flow is more evenly distributed on the links to improve the reasonability of the network resource utilization.

The invention relates to an X-shaped link telescopic boom type hydraulic power engine and generator set device, and relates to a more efficient technical scheme and a more efficient device based on the technical scheme of 'Hydraulic power engine and generator set device' with the application number of 200810091304.8 of the previous patent application. In the device, a turning type connecting rod 25 can be lengthened by over 5 to 10 times, and the hydraulic power efficiency can be improved by over 30 times on the original basis, so that starting power can reach 5,000 watts from hundreds of watts and can be amplified to over megawatts per hour by four to five steps in combination with primary and secondary type link amplifying power. The device mainly comprises an A set power-assisted X-shaped link telescopic boom and a B set power-assisted X-shaped link telescopic boom which can achieve good effects of making up deficiencies of each other and being mutually compatible and compensated. Under the interaction of an anti-lateral deviation device, the device steadily and efficiently drives the turning type connecting rod to do gyratory motion so as to input power, the using cost does not reach 0.2 percent of that of coal-fired thermal power generation, and the energy is a man-made, mechanical, manual controllable, environmentally-friendly and renewable novel energy source. The device is not limited by territorial environments, is safe and reliable, can be widely used for electric power, trains, 10,000-ton class steamships, automobiles, engineering machines, motorcycles, agricultural machines and the like, and can contribute to reducing production cost, saving energy, reducing emission and benefiting mankind.

The invention discloses a server resource allocation method based on mobile edge computing, and belongs to the technical field of communication networks. Aiming at the problems of access time delay and load constraint of a server in a mobile edge computing scene, the invention provides an optimal configuration method of an edge server. According to the positions and the distribution density of themobile base stations in the area, the access delay and the load constraint of the servers are met through initial clustering division, multi-level clustering iteration is carried out through base station sorting, server position offset and server number compression, and server resource allocation in the area is optimized, so the configuration number and the average access delay of the servers areeffectively reduced, and the load balance of the servers is improved.