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Method for virtual machine migration in network, gateway and system

A technology of virtual machine migration and virtual gateway, applied in the field of virtual machine migration, method, gateway and system in the network, can solve the problems of virtual machine and data center business interruption, and achieve the effect of avoiding traffic interruption

Active Publication Date: 2012-11-28
HUAWEI TECH CO LTD
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  • Abstract
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Problems solved by technology

[0004] The embodiment of the present invention provides a method, a gateway and a system for migrating a virtual machine in a network, so as to solve the problem of business interruption between the virtual machine and the data center caused by the change of the gateway during the migrating virtual machine

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  • Method for virtual machine migration in network, gateway and system
  • Method for virtual machine migration in network, gateway and system
  • Method for virtual machine migration in network, gateway and system

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] see figure 1 , an embodiment of the present invention provides a method for migrating a virtual machine in a network, the network includes a first physical gateway, a second physical gateway, and a virtual machine, the virtual machine is connected to a data center through the second physical gateway, A virtual gateway IP address is configured on the second physi...

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Abstract

An embodiment of the invention provides a method for virtual machine migration in a network. The method comprises: before a virtual machine migrating from a second entity gateway to a first entity gateway, the first entity gateway configuring a virtual gateway IP address; after the virtual machine migrating from a second entity gateway to a first entity gateway, the first entity gateway receiving a free address resolution protocol (ARP) message sent by the virtual machine, the free ARP message comprising an IP address of the virtual machine and an MAC address; the first entity gateway generating routing of the virtual machine according to the IP address of the virtual machine; and the first entity gateway issuing the routing of the virtual machine to a data center. The embodiment of the invention also provides an entity gateway and a system for virtual machine migration. Through the technical scheme provided in the embodiment, when the virtual machine migrates, default gateway configured in the virtual machine does not need reconfiguration. The virtual machine cannot aware changes of the gateway, so that a problem of flow interruption in a process of the virtual machine migration caused by gateway changing is prevented.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communications, and in particular to a method, gateway and system for virtual machine migration in a network. Background technique [0002] A virtual machine (English full name is Virtual Machine, English abbreviation VM) is a complete computer system that is simulated by software and has complete hardware system functions and runs in a completely isolated environment. Wherein, in some cases, a virtual machine migration (migration) technology needs to be applied. Virtual machine migration technology utilizes full virtualization of servers, storage and network connections to instantly move an entire running virtual machine from one server to another. [0003] An important requirement for virtual machine migration is to avoid service interruption. After virtual machine migration in a three-tier network, the Internet Protocol (Internet Protocol, English abbreviated as IP) address o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/66G06F9/455
Inventor 白涛
Owner HUAWEI TECH CO LTD
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