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Method for controlling routing information generation, method and device for routing information generation

A technology for information generation and routing, applied in the field of communication, can solve the problems of slow packet forwarding and low forwarding efficiency of routers

Active Publication Date: 2015-05-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a method for controlling the generation of routing information, a method for generating routing information and a device thereof, which are used to solve the problem that a large number of host routes are generated during migration of a virtual machine in the prior art, which leads to a slow forwarding speed of router messages, and The problem of low efficiency

Method used

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  • Method for controlling routing information generation, method and device for routing information generation
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  • Method for controlling routing information generation, method and device for routing information generation

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Embodiment 1

[0072] Such as figure 1 Shown is a flowchart of a method for controlling routing information generation in an embodiment of the present invention. The method described in this embodiment is executed by a virtual machine management server. In the embodiment of the present invention, the current data center communicates with the virtual machine management server. The virtual machine management server can manage one or more data centers.

[0073] The method described in the embodiment of the present invention comprises:

[0074] S101. When it is detected that there is a virtual machine moving out or moving in in the current data center, determine the subnet where the virtual machine is located;

[0075] S102. Obtain the total number of virtual machines included in the subnet, and the number of virtual machines in the current data center under the subnet;

[0076] S103. Determine the ratio between the number of virtual machines under the subnet in the current data center and the...

Embodiment 2

[0111] The embodiment of the present invention also provides a method for generating routing information, such as figure 2 Shown is a flowchart of a method for generating routing information in an embodiment of the present invention, and the method in this embodiment is executed by a gateway device in a data center.

[0112] The embodiment method of the present invention comprises:

[0113] S201. When there is a virtual machine moving out or moving in from the current data center, determine the subnet where the virtual machine is located;

[0114] S202. Adjust the routing information of the virtual machine in the current data center under the subnet according to the received routing control identifier for adjusting routing information.

[0115] When there is a virtual machine moving out or moving in in the current data center, the gateway device in the current data center will receive the routing control identifier sent by the virtual machine management server. Whether the ...

Embodiment 3

[0135] Corresponding to the method for controlling the generation of routing information in Embodiment 1 of the present invention, this embodiment of the present invention also provides a device for controlling the generation of routing information, such as image 3 Shown is a schematic structural diagram of a device for controlling routing information generation in an embodiment of the present invention, including:

[0136]An obtaining module 301, configured to obtain the subnet where the virtual machine is located when it is detected that there is a virtual machine that has moved out or moved in in the current data center where the device is located;

[0137] A determination module 302, configured to obtain the total number of all virtual machines included in the subnet, and obtain the number of virtual machines in the current data center under the subnet;

[0138] A processing module 303, configured to determine a ratio between the number of virtual machines and the total n...

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Abstract

The present invention provides a method for controlling generation of routing information, a method for generating routing information, and apparatuses thereof. When it is detected that a virtual machine is migrated out of or migrated into a data center, a subnet to which the virtual machine belongs is determined, a route control identifier for adjusting routing information of a virtual machine that belongs to the subnet and is in the data center is determined, and the route control identifier is sent to the data center, so that the data center adjusts, according to the route control identifier, routing information of the virtual machine that belongs to the subnet and is in the data center. In this way, generation of many host routes in data centers when a virtual machine is migrated across the data centers is prevented.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method for controlling routing information generation, a method for generating routing information and a device thereof. Background technique [0002] At present, in order to solve the problems of virtual machine (English: Virtual Machine, VM for short) migration and a large number of combination support brought about by server virtualization in the data center, the overlay network virtualization (English: Network Virtualization Overlay) applied in the data center network , referred to as: NVO) technology came into being. [0003] Due to the application of superimposed network virtualization technology, a large number of virtual machines can be deployed in the data center. However, during the current process of virtual machine migration across data centers, a large number of host routes will be generated in each router. If there is a large number of virtual machine migra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L12/24H04L12/46H04L45/02H04L45/74
CPCH04L45/46H04L45/64H04L45/74H04L45/54H04L12/6418H04L45/02H04L41/0853
Inventor 雷歆尹彬黄哲徐胜平
Owner HUAWEI TECH CO LTD