Distribution method and system of virtual machine address
A distribution method and distribution system technology, applied in the transmission system, electrical components, etc., can solve the problems of virtual machine address response for too long, loss, large traffic consumption, etc.
Pending Publication Date: 2017-07-07
SANGFOR TECH INC
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[0005] The main purpose of the present invention is to propose a virtual machine address allocation method and system, aiming to solve the traditional virtual machine address allocation method, which consumes a large amount of traffic, and is likely to cause the virtual machine address to respond for too long, or even lose the technology question
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[0040] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0041] refer to figure 1 , figure 1 It is a schematic diagram of virtual machine address allocation in the prior art.
[0042] Such as figure 1 As shown, when the dhcp server corresponding to the subnet 10.0.0.0 / 16 of the computing node runs on network node A according to the scheduling result, a large number of virtual machines in the computing node need to apply for virtual machine addresses, such as IP addresses, from the dhcp server. At this time, each virtual machine sends a message to the network node, and the message needs to be broadcast to the large layer-2 virtual network through the tunnel to be sent to network node A, and then network node A will receive a large number of virtual machine messages, Due to the processing speed and bandwidth limitations of the dhcp server, it is impossible to process so ma...
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The invention discloses a distribution method and system of a virtual machine address. The method and system are applied to a cloud network environment. The cloud network environment comprises a control node and a computing node; the control node configures a dynamic host configuration protocol dhcp server in a distributed virtual router of the computing node. The method comprises the following steps: forwarding a request message to a tunnel portal when a distrusted virtual switch of the computing node receives the request message sent by a virtual machine in the computing node; intercepting the dhcp request message when detecting that the request message is the dhcp request message at the tunnel portal, and forwarding the dhcp request message to the distributed virtual router of the computing node, thereby enabling the dhcp server in the distributed virtual router to feed back address information corresponding to the dhcp request message; finally, feeding back the address information to the virtual machine. By use of the distribution method and system disclosed by the invention, not only is the traffic consumed for virtual address distribution process lowered, but also is the condition that the virtual machine address cannot be responded for a long time even is lost avoided.
Description
technical field [0001] The invention relates to the technical field of virtual machines, in particular to a method and system for allocating virtual machine addresses. Background technique [0002] In a traditional cloud network environment, the address of a virtual machine, such as an IP address, is generally assigned by a computing node to a network node in the cloud network environment, and then the dhcp (Dynamic Host Configuration Protocol, Dynamic Host Configuration Protocol) server in the network node The corresponding virtual machine address is fed back to realize the allocation of the virtual machine address, but the existing virtual machine address allocation method has the following defects: [0003] 1. The request of the virtual machine is forwarded from the computing node across the cloud network environment to the network node, and the dhcp server in the network node replies with the address information. After the address information is replied, it is forwarded ...
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IPC IPC(8): H04L29/12
CPCH04L61/5014
Inventor 曹勇王浩
Owner SANGFOR TECH INC