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 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 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 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 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 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 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 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.