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Cluster load balancing method and system

A cluster load balancing and load balancing algorithm technology, applied in the field of virtualized resource management, can solve problems such as unavailable services, unclassified client requests, and insufficient flexibility, and achieve the effect of improving utilization and service quality

Inactive Publication Date: 2015-04-29
CHINA TELECOM CORP LTD
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AI Technical Summary

Problems solved by technology

[0015] 1. Once the equilibrium strategy is defined, it is difficult to change it
[0016] In the existing load balancing structure, once a certain load balancing algorithm is determined to be used, it will not change during the operation of the system, and the load balancing algorithm will not be reselected until the system is restarted or redefined. The problem is the lack of flexibility
[0017] 2. Client requests are not classified
[0018] The existing algorithm does not classify client requests, but only distinguishes whether it is an HTTP request or a TCP request, because the server cluster needs to respond to the request. However, it does not effectively classify the read and write requests and computing requests, and simply uses a single algorithm for classification , prone to service unavailability

Method used

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Embodiment Construction

[0040] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements and numerical values ​​of components and steps set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0041] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0042] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0043] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification.

[0...

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Abstract

The invention discloses a cluster load balancing method and system. The method comprises steps as follows: classifying requests of clients; matching each classified request with a load balancing algorithm; acquiring data required by each load balancing algorithm from each server; calculating matched servers according to acquired data; allocating the requests to the servers. The matching flexibility of the load balancing method is improved, and the control on service unavailability is improved.

Description

technical field [0001] The invention belongs to the field of virtualized resource management in cloud computing, and in particular relates to a cluster load balancing method and system. Background technique [0002] Load Balancing is based on the existing network structure, which provides a cheap, effective and transparent method to expand the bandwidth of network devices and servers, increase throughput, strengthen network data processing capabilities, and improve network performance. Flexibility and availability. [0003] Currently, there are two types of server load balancing: four-layer (L4) server load balancing and seven-layer (L7) server load balancing. [0004] L4 server load balancing supports IPv4 protocol and IPv6 protocol. It is flow-based server load balancing, which distributes packets flow by flow, and distributes packets of the same flow to the same server. L4 server load balancing cannot distribute HTTP-based Layer 7 services according to content, which li...

Claims

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Application Information

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IPC IPC(8): H04L12/803H04L12/24H04L29/08
Inventor 苏涛郑少斌谢朝阳
Owner CHINA TELECOM CORP LTD
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