Virtual machine online migration method, data packet transmission method and device
A virtual machine migration, virtual machine technology, applied in the direction of transmission system, software simulation/interpretation/simulation, electrical components, etc., can solve the problems affecting the normal operation of the virtual machine, user access errors and updates of the source virtual machine, etc., to achieve correct implementation. The effect of accessing and avoiding access errors
Active Publication Date: 2018-04-06
NEC (CHINA) CO LTD
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However, since the DNS (Domain Name System, Domain Name System) cannot update the mapping between the domain name and the IP address in real time as the IP address of the virtual machine changes, the access of the source virtual machine user will still be sent to the source virtual machine after the virtual machine is migrated online. virtual machine, which leads to access errors of the source virtual machine user and affects the normal operation of the virtual machine
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[0087] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0088] figure 1 It is a flowchart of a method for online migration of a virtual machine provided by an embodiment of the present invention. The execution subject of this embodiment of the invention is a virtual machine management device, such as a virtual machine management software Hypervisor. For ease of description, the embodiment of the present invention only uses the virtual machine management apparatus as the source virtual machine manager as an example for description. See figure 1 , The embodiment of the invention includes:
[0089] 101. Receive a migration instruction, where the migration instruction is used to instruct a source virtual machine to migrate to a destination virtual machine manager, and the physical device where the sourc...
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The invention discloses a virtual machine online migration method, a data packet transmission method and equipment, and belongs to the field of virtual machines. The method includes: receiving a migration instruction, the migration instruction is used to instruct the source virtual machine to migrate to the destination virtual machine manager; obtaining the virtual machine data of the source virtual machine, and sending the virtual machine data of the source virtual machine to the destination virtual machine in the form of data packets The manager makes the target virtual machine manager create a virtual machine according to the virtual machine data; when the virtual machine data is sent, the physical device address corresponding to the virtual machine identifier of the source virtual machine is updated to the physical device address of the physical device where the target virtual machine manager is located. device address. The present invention can obtain the changed physical device address according to the virtual machine identifier during the access process, realize correct access to the migrated virtual machine, and avoid access errors caused by untimely DNS settings.
Description
Technical field [0001] The invention relates to the field of virtual machines, in particular to a method for online migration of virtual machines, a method and equipment for data packet transmission. Background technique [0002] With the rapid development of data services, virtualization technology is more and more widely used in data centers. Virtualization technology divides the physical device into multiple isolated logical partitions, and simulates a system with complete hardware in each logical partition through a virtual machine manager (Hypervisor), and each complete hardware simulated by this simulation The system is a virtual machine. A virtual machine manager can manage multiple virtual machines. The data center can use the virtual machine manager to apply multiple virtual machines to run multiple different operating systems on the same physical device. [0003] When operations such as upgrading or data transfer of virtual machines or physical devices are required, onli...
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IPC IPC(8): H04L29/06H04L29/12G06F9/455
Inventor 胡章丰胡艳罗彦林
Owner NEC (CHINA) CO LTD