Distributed router obtaining method suitable for cloud computing

An implementation method and distributed technology, applied in the field of cloud computing, can solve problems such as single-point failure and large load of virtual machine network, and achieve the effect of reducing communication load

Active Publication Date: 2015-03-25
G CLOUD TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem solved by the present invention is to provide a distributed router implementation method suitable for clo

Method used

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  • Distributed router obtaining method suitable for cloud computing
  • Distributed router obtaining method suitable for cloud computing

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Embodiment Construction

[0024] like figure 1 Shown, the concrete implementation process of the present invention is as follows:

[0025] (1) Computing nodes create 3 bridges

[0026] #ovs-vsctl add-br br-int

[0027] #ovs-vsctl add-br br-ex

[0028] #ovs-vsctl add-br br-phy

[0029] #ovs-vsctl add-port br-phy eth1; ovs-vsctl add-port br-ex ext2

[0030] (2) Create a dhcp network space for the network

[0031] #ip netns add dhcp-net1

[0032] #ovs-vsctl add-port br-int tap9tag Taiwan 9 --set interface tap9type Taiwan internal

[0033] #ip netns exec dhcp-net1ip addr add 192.168.12.1 / 24dev tap9

[0034] #ip netns exec dhcp-net1ifconfig tap9promisc up

[0035] Then start the dhcp service on dhcp-net1

[0036] Create a routing network space for each user and set the gateway

[0037] #ip netns add qr-123456

[0038] #ovs-vsctl add-port br-int gw_tag9tag taiwan 9 --set interface gw_tag9type taiwan internal

[0039] #ip netns exec qr-123456 ip addr add 192.168.12.254dev gw_tag9

[0040] #ip net...

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Abstract

The invention relates to the technical field of cloud computing, in particular to a distributed router obtaining method suitable for cloud computing. The method includes the following steps that firstly, three network bridges are established for each computational node; secondly, an isolated virtual network space is established for each network by the corresponding computational nodes, a network interface is added to each network and connected to the internal network bridge, and the dhcp service is started in each virtual network space; thirdly, each computational node establishes a new network space for multiple networks of the same tenant with the communication requirement, each new network space is named as a router network space, a network port is added to each network and connected to the corresponding router network space and serves as a gateway, and the same mac and ip are set for the gateway of the same network; fourthly, when virtual machines are established, arp tables of the router network spaces are correspondingly updated, and the virtual machines are connected to the internal network bridges; fifthly, a flow rule is set between the internal network bridges. According to the method, the problems of virtual machine network single-point faults and large loads are solved and the method can be used for obtaining distributed routers for cloud computing.

Description

technical field [0001] The invention relates to the technical field of cloud computing, in particular to a method for implementing a distributed router suitable for cloud computing. Background technique [0002] Under the cloud platform, each user hopes that he can create a network at will, and the user hopes to control the communication of different networks. [0003] The usual solution in the industry is to set a high-performance computer as the network control node. Then the network control node has the following functions: 1) the network control node sets the ip of the virtual machine through dhcp; 2) the gateway of each network is set at the network control node; 3) each network performs NAT mapping at the network control node. [0004] However, the usual solutions in the industry have the following disadvantages: [0005] 1. A single point of failure will affect the communication of all virtual machines. If a hardware failure occurs on a network node, the virtual mac...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/46
CPCH04L12/4641H04L61/103H04L61/5014
Inventor 张瑜科杨松莫展鹏季统凯
Owner G CLOUD TECH
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