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Link flow control method and device

A flow control and flow technology, applied in the field of virtualization, can solve the problems of large demand for bandwidth resources and low adaptability, and achieve the effects of improving accuracy, avoiding packet loss, and improving accuracy

Active Publication Date: 2021-02-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of excessive demand for bandwidth resources and low adaptability existing in the prior art, an embodiment of the present invention provides a link flow control method and device

Method used

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  • Link flow control method and device

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Embodiment Construction

[0114] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0115] Before introducing the link flow control method provided by the embodiment of the present invention, the implementation environment involved in the embodiment of the present invention will be introduced first. The embodiment of the present invention is applied to a DC network. A DC network usually includes multiple hosts and at least one switch. Each host is deployed with one or more virtual machines. External communication devices between different virtual machines or between virtual machines and the DC network communication between them is possible. Moreover, multiple communication links can be formed between the host and the switch and between the switches according to the topology, so the DC network also includes multipl...

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Abstract

The application discloses a link flow control method and device, belonging to the technical field of virtualization. The method includes: monitoring the traffic load of each communication link in a plurality of communication links included in the data center network, where the traffic load refers to the ratio of the link traffic of each communication link to the link bandwidth; when based on the target communication The traffic load of the link determines that when the target communication link is overloaded, the target virtual machine to be migrated is determined from the virtual machines that generate the link traffic of the target communication link, and the target communication link is one of the multiple communication links Either one; determine the target host from other hosts included in the target cluster except the host where the target virtual machine is located, the target cluster is the host cluster where the host where the target virtual machine is located; migrate the target virtual machine to the target A host to control the link traffic of the target communication link. This can avoid the problem of packet loss due to high load on some communication links, resulting in business damage.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of virtualization, and in particular to a link flow control method and device. Background technique [0002] With the development of computer technology, virtualization technology has been more and more widely used in data center (Data Center, DC) network. A DC network usually includes multiple hosts and at least one switch. Each host is deployed with one or more virtual machines. Communication can be performed between different virtual machines or between virtual machines and external communication devices of the DC network. During the communication process That is, a large amount of communication traffic will be generated. In addition, in a DC network, multiple communication links will be formed between the host and the switch and between the switch and the switch according to the topology structure, and the link traffic on each communication link is related to the deployment loc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/801H04L12/803H04L12/851
CPCH04L47/10H04L47/122H04L47/125H04L47/2483H04L41/0816H04L43/0882H04L41/40H04L41/0897H04L41/122H04L43/20
Inventor 张文革
Owner HUAWEI TECH CO LTD