Distributed load balancing system, health inspection method and service node
A service node and load balancing technology, applied in the field of cloud networks, can solve problems such as affecting and increasing the signaling load of access nodes, and achieve the effects of reducing signaling load, saving IP address resources, and improving efficiency
Active Publication Date: 2017-05-31
HUAWEI CLOUD COMPUTING TECH CO LTD
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Problems solved by technology
[0004] The distributed load balancing system includes a large number of access nodes and service nodes, and the virtual load balancer in each access node needs to obtain the status of each target backend server by sending detection messages, resulting in the presence of A large number of detection messages, a large number of detection messages will not only affect other services in the distributed load balancing system, but also increase the signaling load of access nodes
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[0084] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the implementation of the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0085] figure 1 It is a distributed load balancing system provided by an embodiment of the present invention. The distributed load balancing system includes a cloud management platform 1, an access node 2, and at least one service node 3. The access node 2 and the at least one service node 3 may be A physical server, a first virtual load balancer runs on the access node 2, and at least one backend server runs on each service node 3 in at least one service node 3, and one backend server is used to provide a service. At least one detection module is deployed on each service node 3. Preferably, one detection module can be used to obtain the status of a back-end server that provides a service.
[0086] See ...
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The embodiment of the invention discloses a distributed load balancing system, a health inspection method and a service node, belonging to the technical field of cloud network. Comprising a cloud management platform, an access node and at least one service node, an access node and at least one service node for a physical server, the access node running on the virtual load balancer, and the service node running at least one backend server. Sending the probe message through the detection module on the target service node to detect the state of the target backend server, and sharing the state of the target backend server to the load equalizer through the detection module, thus not only reducing the number of detection messages in the load balancing system, Reduces the signaling load of the access node. The detection module is deployed in the namespace on the target service node; the virtual load balancer is deployed in the second namespace on the access node, the first namespace has the same IP address as the second namespace, saving the IP address resources.
Description
Technical field [0001] The invention relates to the technical field of cloud networks, in particular to a distributed load balancing system, a health check method and a service node. Background technique [0002] The distributed load balancing system includes multiple service nodes and multiple access nodes, each access node runs a virtual load balancer and a client, and each service node runs at least one back-end server. The client is used to send a request to access a certain service; the virtual load balancer is used to obtain the status of each target back-end server among multiple target back-end servers that provide the service, according to the load balancing strategy and the status of each target back-end server Status, select a target back-end server for the request; the selected target back-end server is used to process the request. [0003] At present, when the virtual load balancer obtains the status of each target back-end server among multiple target back-end server...
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IPC IPC(8): H04L29/08
CPCH04L67/1029H04L67/1001H04L41/5058H04L41/5096H04L43/0817H04L43/10H04L67/1008H04L12/4641
Inventor 罗高威
Owner HUAWEI CLOUD COMPUTING TECH CO LTD