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76 results about "Web cluster" patented technology

Clustered hosting is a type of web hosting that spreads the load of hosting across multiple physical machines, or node, increasing availability and decreasing the chances of one service (e.g., FTP or email) affecting another (e.g., MySQL).

High-availability implementation method for large-scale Web server cluster based on SOA

The invention discloses a high-availability implementation method for a large-scale Web server cluster based on SOA, and the method comprises the steps: distributing a large number of web servers in a machine room, and enabling the servers to run the same or different web services; setting needed hardware and software resources for each web service, wherein the resources comprise a server list, a service progress, a hard disk, and an IP address pool; setting a monitoring resource and a monitoring strategy for each web service; carrying out the failure transfer for the web services when the resources are monitored to be abnormal; setting a web cluster main management node election strategy, electing a main management node during cluster start, repeatedly carrying out election when the main management node loses efficacy, and preventing a dedicated server from being used as a standby server. Moreover, because a plurality of start servers can be set for a failure switching group, the service is enabled to be higher in reliability, thereby reducing the investment cost, management complexity and maintenance cost for a user on the basis of guaranteeing the high-availability services for the user.
Owner:SHANDONG ACADEMY OF AGRI MACHINERY SCI

RoboBee cluster control method and system

ActiveCN107247460ASelf-governingDoes not affect successful completionProgramme controlProgramme-controlled manipulatorSelf-healingControl system
The invention relates to a RoboBee cluster control method and system. A RoboBee can sense the external environment via a sensor module, locate the position of itself to provide convenience for group cooperation via a positioning system, execute a present task via an execution mechanism, communicate with other RoboBees via a communication modules, and form a distributed computer network after communication and networking via a coordinated controller. A user communicates with a RoboBee cluster, including instruction issuing and task distribution, via a communication module in a cluster control system, and time standards of the RoboBee cluster are made uniform via a synchronizing module. The method and system have the advantages that the whole RoboBee cluster can form a self-organizing network to implement distributed cooperative computing even the single RoboBee is not high in intelligence and is low in cost and simple in control, a high-difficulty task that cannot be completed by the single RoboBee can be completed by the cluster, manual intervention is not needed in the task execution process, and the system and method have a dynamic self-healing capability and is high in reliability.
Owner:CHINA THREE GORGES UNIV

Finite load consistency hash load balancing strategy based on virtual nodes

The invention belongs to the technical field of network clustering and networked control. The invention relates to a limited load consistency hash load balancing strategy based on virtual nodes. Taking the memory size of the cache node, the total number of CPU cores and the size of a disk as input indexes of an independent information data fluctuation weighting method; calculating a performance quantized value and a performance quantized value proportion of each cache node; obtaining the number of the virtual nodes of each cache node according to the set total number of the virtual nodes; theconsistent hash ring is equally divided into m sections of arcs; and generating a corresponding number of virtual nodes for each cache node by using a Random function, mapping the virtual nodes to each section of arc in proportion, updating the load capacity of the cluster cache agent and the load upper limit of each cache node by using a load balancer, selecting the virtual nodes on the consistent hash ring, and performing service by using the cache nodes with the virtual nodes. According to the invention, the problems of non-uniform load distribution and non-support of heterogeneous clustercache agents of an original strategy are solved, and the bandwidth occupancy rate of a backbone network and the response time of the cluster cache agents are effectively reduced.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Network resource allocation method and system applied to online office, and network equipment

The invention relates to a network resource allocation method and a network resource allocation system applied to online office, and network equipment. The network resource allocation method comprisesthe steps of: firstly, determining a first state parameter list with each office terminal and a second state parameter list with an office network cluster; secondly, determining a list conversion logic topology between each first state parameter list and the second state parameter list; thirdly, determining a mapping parameter corresponding to each target parameter and a communication state sequence corresponding to the mapping parameters according to an inverse list conversion logic topology corresponding to each parameter feature; and finally, adjusting a network resource occupation proportion corresponding to each office terminal according to the priority of a communication state sequence corresponding to each office terminal. Thus, the network resources can be allocated according to the priorities corresponding to different office terminals, the network fluency of the office terminals with higher priorities can be ensured, the normal operation of the office terminals with lower priorities can further be ensured, and the office efficiency is further improved.
Owner:武汉华盛美业科技有限公司

Robust node failure detection mechanism for SDN controller cluster

A method implemented by a first controller in a software defined networking (SDN) network to monitor a health of a second controller, where the first controller and the second controller are part of a cluster of controllers, where controllers in the cluster communicate with switches over an in-band network, and where controllers in the cluster communicate with each other over an out-of-band network. The method includes sending a first control message to a switch over the in-band network in response to a determination that the second controller cannot be reached over the out-of-band network, where the first control message includes a health check request message and an instruction for the switch to send the health check request message to the second controller, and where the switch is a designated switch that has a control channel connection to the first controller and the second controller over the in-band network.
Owner:TELEFON AB LM ERICSSON (PUBL)

Systems and methods for dynamically commissioning and decommissioning computer components

A method for dynamically provisioning computer components using a message platform communicatively coupled to a message generator is provided. The method includes receiving a first computer message, wherein the first computer message indicates that a computer component should be provisioned for a network cluster, routing the first computer message such that a first platform that is a customer of the first queue i) receives the first computer message and ii) automatically performs a first configuration operation on the computer component based on the first computer message, receiving, at the advanced message queue exchange, a second computer message from the first platform, and routing the second computer message such that a second platform that is a customer of the second queue i) receives the second computer message and ii) automatically performs a second configuration operation on the computer component based on the second computer message.
Owner:MASTERCARD INT INC

DECT network clustering system and clustering method

The invention provides a DECT network clustering system and clustering method. The DECT network clustering method comprises the steps that a DECT host sends a multicast instruction announcing joiningin a set multicast group to a router; DECT equipment sends a multicast detection message sent to the target multicast group to the router; the router receives the multicast instruction and the multicast detection message, and sends the multicast detection message of which the target multicast group is a set multicast group to the DECT host according to the multicast instruction; the DECT host receives the multicast detection message and sends state announcement information to the DECT equipment in a point-to-point manner according to the multicast detection message; the DECT equipment receives the state announcement information, and initiates a TCP connection request to the DECT host in a point-to-point manner according to the state announcement information; and the DECT host receives theconnection request of the DECT equipment and establishes a TCP channel with the DECT equipment. In the technical scheme of the invention, the multicast detection message is a multicast message, and the message does not need to be broadcasted based on a multicast protocol; and meanwhile, the state announcement information and the connection request are sent in a point-to-point manner, so that thebroadband requirement of cluster communication is greatly reduced.
Owner:XIAMEN YEALINK NETWORK TECH
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