CN103152256A - Virtual routing network design method based on cloud computing data center - Google Patents
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Abstract
The invention provides a virtual routing network design method based on a cloud computing data center. The method comprises the following steps that a virtual router (vRouter) is arranged in a virtual routing network and used for realizing routing between different network segments and realizing various flexible network strategies including DHCP (Dynamic Host Configuration Protocol) service, gateway service, DNS (Domain Name System) service, address mapping service, flow control service, flow balancing service, VPN (Virtual Private Network) service and access control service, the virtual router (vRouter) is a virtual machine essentially, and a user remotely and flexibly configures and operates the virtual router (vRouter) to realize various flexible network requirements.
Description
Technical field
The present invention relates to computer software, computer network and cloud computing field, specifically a kind of virtual network design method of route based on cloud computing data center.
Background technology
The calculated data central site network mainly contains following variation with respect to the conventional data centers network, and the cloud data center network requires higher bandwidth, lower delay; Cloud data center network server node and VM scale roll up, particularly VM quantity; The management of communicating by letter between newly-increased cloud data center network VM; Interconnected with carrying virtual machine (vm) migration etc. across two layers between data center's website.
These that bring for the cloud data center network change, and have made the application very huge, carrying that becomes of cloud data center network scale become very complicated.Many problem demanding prompt solutions have appearred in the cloud data center network, cause the loss of exceeding 100 billion every year as malicious attack, virus and wooden horse; Characteristic without scale (Scale-free) allows whole network can namely accuse collapse under well-designed minority is attacked; The appearance of the application such as p2p was once causing each large ISP network blockage, had a strong impact on normal access of tradition etc.In order to realize certain data isolation and Information Security, general enterprises can in data center creates VLAN and VMs is distributed in different VLAN, when VM needs initiatively outwards to provide service, just need a kind of support of route network.
Cloud computing data center virtual network comprises the virtual of software and hardware level.Therefore the network virtualization of hardware level needs the support of particular device, increases certain hardware cost but performance may be quite a lot of.The network virtualization of software level is more flexible, can build in conjunction with vSwitch and virtual router the route network that satisfies various demands.Therefore, the present invention has designed a kind of virtual network design method of route based on cloud computing data center, the method can be passed through software creation virtual router (vRouter) in the cloud data center network easily, after creating, the user can configure the network communication mode of vRouter easily, based on vRouter user network service and the security strategy of customized personal easily.
Summary of the invention
The purpose of this invention is to provide a kind of virtual network design method of route based on cloud computing data center.
The objective of the invention is to realize in the following manner, specifically comprise following content;
An outside virtual router vRouter is set in the route virtual network, outside virtual router vRouter is for the route that realizes between different segment, and realize various network strategies flexibly, comprise DHCP service, gateway service, DNS service, address mapping service, flow control service, flow equalization service, VPN service and access control service, the essence of outside virtual router vRouter is a virtual machine, and the user configures and operate outside virtual router vRouter to realize various network demands flexibly flexibly by long-range;
Outside virtual router vRouter runs on certain computing node, moving the Agent program on the computing node at outside virtual router vRouter place, the Agent program is used for the network operation request of reception and feedback user, the Agent process is communicated by letter with outside virtual router vRouter by internal virtual router vSwitch on computing node, inner vSwitch is a common virtual switch, just this internal virtual router vSwitch does not bind with physical network card, can only be used for intercommunication.Internal virtual router vSwitch realizes by the private virtual network interface card in outside vRouter with communicating by letter of outside virtual router vRouter, this private virtual network interface card is specifically designed to the management of outside virtual router vRouter, and the specific implementation of outside virtual router vRouter management is completed by the Tools process in outside virtual router vRouter;
After outside virtual router vRouter configuration is completed, corresponding network strategy will come into force.Outside virtual router vRouter by common vNIC and computing node outside virtual router vSwitch and pNIC alternately so that the network service of customization to be provided;
Establishment and the layoutprocedure of route virtual network are as follows:
1) the establishment mode of route virtual network
When (1) user creates outside virtual router vRouter virtual network from masterplate, at first need to select at random a computing node;
(2) user creates privately owned bridge on computing node, the outside virtual router vSwitch of the not binding physical network interface card of internal physical isolation, and configuration private ip, and this bridge is used for providing dnsmasq DHCP monitoring service;
(3) user is chosen in the upper port set that creates of the outside virtual router vSwitch of acquiescence, and the port set title of corresponding virtual network title can not be born the same name, and distributes VLAN ID for port set, and VLAN ID can not be 0;
(4) user creates outside virtual router vRouter by outside virtual router vRouter masterplate, three network interface cards of outside virtual router vRouter configuration, an interior network interface card, an outer network interface card and a privately owned network interface card, privately owned network interface card connects dnsmasq listening port or the privately owned bridge of computing node A, interior network interface card is used for connecting the Intranet network segment or virtual network title, be port set, outer network interface card is used for connecting the outer network segment, and outside virtual router vRouter carries out Route Selection between inside and outside network interface card;
(5) user arranges the MAC-IP of the privately owned network interface card of outside virtual router vRouter or the corresponding relation of private ip in computing node dnsmasq configuration file, and configuration dnsmasq service processes carries out the DHCP monitoring to the outside virtual router vSwitch of privately owned bridge;
(6) user is restarted dnsmasq service processes on computing node, and starts in this virtual machine activation process of outside virtual router vRouter and carry out subsequent configuration;
(7) be that outside virtual router vRouter heat is added the ISO mirror image that Tools is installed, and enter virtual machine installation Tools configuration tool;
(8) if outside virtual router vRouter starts successfully, the keeper is by Tools configuring external virtual router vRouter, configuration information comprises outside virtual router vRouter Intranet IP and outer net IP and route is set, iptables is set to be transmitted, open between network interface card and forward, open iptables NAT and transmit, DHCP IP address range and the mask of configuration dnsmasq, configuration DNS;
(9) after configuration is completed, outside virtual router vRouter virtual network creates successfully;
2) configuration flow of route virtual network
(1) user sends the network operation request to computing node Agent by the RPC far call;
(2) computing node Agent realizes with the RPC of Tools mutual by the privately owned network interface card in internal virtual router vSwitch and outside virtual router vRouter;
(3) Tools accepts request and carries out configuring external virtual router vRouter, configuration information comprises Intranet IP and outer net IP and route is set, iptables is set transmits, forward between the unlatching network interface card, open iptables NAT and transmit, DHCP IP address range and the mask of configuration dnsmasq, configuration DNS, address mapping service, flow control service, the flow equalization service, VPN service and access control service;
(4) return after Tools operation is completed and with execution result former road.
The invention has the beneficial effects as follows: have a virtual router vRouter in the route virtual network, virtual router vRouter is for the route that realizes between different segment, and realize various network strategies flexibly, comprise DHCP service, gateway service, DNS service, address mapping service, flow control service, flow equalization service, VPN service and access control service etc.The essence of vRouter is a virtual machine, the invention provides a kind of method and manages flexibly and control virtual router vRouter, and the user can long-rangely configure and operate virtual router vRouter flexibly to realize various network demands flexibly.
1) user can pass through software creation virtual router vRouter in the cloud data center network easily, user's network communication mode of configuration virtual router vRouter easily after creating is based on virtual router vRouter user network and the security strategy of customized personal easily;
2) user is according to virtual router vRouter masterplate fast creation virtual router vRouter, virtual router vRouter masterplate completes in advance, the Tools instrument of built-in configuration virtual router vRouter in advance when making virtual router vRouter masterplate;
It is privately owned network interface card of virtual router vRouter configuration when 3) user's masterplate creates virtual router vRouter, Tools in virtual router vRouter will communicate by letter by the Agent on the physical node of privately owned network interface card and virtual router vRouter operation, thereby realizes that the user is to the telemanagement configuration of virtual router vRouter;
4) user configure and start complete virtual router vRouter after, can pass through the long-range change of Tools and configuration virtual router vRouter, customization various network services and security strategy, comprise Intranet IP and outer net IP and route are set, iptables is set to be transmitted, open between network interface card and forward, opening iptables NAT transmits, DHCP IP address range and the mask of configuration dnsmasq, configuration DNS, address mapping service, flow control service, the flow equalization service, VPN service and access control service etc.
Description of drawings
Fig. 1 is vRouter structure and management flow chart.
Embodiment
With reference to Figure of description, method of the present invention is described in detail below.
The present invention has designed a kind of virtual network design method of route based on cloud computing data center, specifically comprises following content.
In the present invention, the system configuration of route virtual network as shown in Figure 1.Virtual router vRouter runs on certain computing node, is moving the Agent program on the computing node at virtual router vRouter place, and the Agent program is used for receiving and the network operation request of feedback user.The Agent process is communicated by letter with virtual router vRouter by privately owned bridge vSwitch on computing node, and privately owned bridge vSwitch is a common virtual switch, and just this privately owned bridge vSwitch does not bind with physical network card, can only be used for intercommunication.Privately owned bridge vSwitch realizes by the private virtual network interface card in virtual router vRouter with communicating by letter of virtual router vRouter, this private virtual network interface card is specifically designed to the management of virtual router vRouter, and the specific implementation of virtual router vRouter management is completed by the Tools process in virtual router vRouter.
After virtual router vRouter configuration is completed, corresponding network strategy will come into force.Virtual router vRouter by common vNIC and computing node privately owned bridge vSwitch and pNIC alternately so that the network service of customization to be provided.
Embodiment
The establishment of route virtual network and configuration flow as shown in Figure 1, detailed process is as follows:
1) the establishment mode of route virtual network
When (1) user creates the vRouter virtual network from masterplate, at first need to select at random a computing node;
(2) user creates the vSwitch of privately owned bridge vSwitch(internal physical isolation on computing node, not the binding physical network interface card), and the configuration private ip, this bridge is used for providing dnsmasq DHCP monitoring service;
(3) user is chosen in the upper port set that creates of the privately owned bridge vSwitch of acquiescence, and port set title (corresponding virtual network title) can not be born the same name, and distributes VLAN ID for port set, and VLAN ID can not be 0
(4) user creates virtual router vRouter by virtual router vRouter masterplate, and virtual router vRouter configures three network interface cards, an interior network interface card, an outer network interface card and a privately owned network interface card.Privately owned network interface card connects the dnsmasq listening port (privately owned bridge) of computing node A, interior network interface card is used for connecting the Intranet network segment (virtual network title, be port set), outer network interface card is used for connecting the outer network segment, and virtual router vRouter carries out Route Selection between inside and outside network interface card;
(5) user arranges the MAC-IP(private ip of the privately owned network interface card of vRouter in computing node dnsmasq configuration file) corresponding relation, and configuration dnsmasq service processes carries out DHCP to privately owned bridge vSwitch and monitors;
(6) user is restarted dnsmasq service processes on computing node, and starts virtual router vRouter (can carry out subsequent configuration in this virtual machine activation process);
(7) be that virtual router vRouter heat is added the ISO mirror image that Tools is installed, and enter virtual machine installation Tools configuration tool;
(8) if virtual router vRouter starts successfully, the keeper is by Tools configuration virtual router vRouter, configuration information comprises virtual router vRouter Intranet IP and outer net IP and route is set, iptables is set to be transmitted, open between network interface card and forward, open iptables NAT and transmit, DHCP IP address range and the mask of configuration dnsmasq, configuration DNS etc.;
(9) after configuration is completed, the vRouter virtual network creates successfully
2) configuration flow of route virtual network
(1) user sends the network operation request to computing node Agent by the RPC far call;
(2) computing node Agent realizes with the RPC of Tools mutual by the privately owned network interface card in privately owned bridge vSwitch and virtual router vRouter;
(3) Tools accepts request and carries out configuration virtual router vRouter, configuration information comprises Intranet IP and outer net IP and route is set, iptables is set transmits, forward between the unlatching network interface card, open iptables NAT and transmit, DHCP IP address range and the mask of configuration dnsmasq, configuration DNS, address mapping service, flow control service, the flow equalization service, VPN service and access control service etc.;
(4) return after Tools operation is completed and with execution result former road.
Except the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (1)
1. the virtual network design method of route based on cloud computing data center, is characterized in that, specifically comprises following content;
A virtual router vRouter is set in the route virtual network, virtual router vRouter is for the route that realizes between different segment, and realize various network strategies flexibly, comprise DHCP service, gateway service, DNS service, address mapping service, flow control service, flow equalization service, VPN service and access control service, the essence of virtual router vRouter is a virtual machine, and the user configures and operate virtual router vRouter to realize various network demands flexibly flexibly by long-range;
virtual router vRouter runs on certain computing node, moving the Agent program on the computing node at virtual router vRouter place, the Agent program is used for the network operation request of reception and feedback user, the Agent process is communicated by letter with virtual router vRouter by privately owned bridge vSwitch on computing node, privately owned bridge vSwitch is a common virtual switch, just this privately owned bridge vSwitch does not bind with physical network card, can only be used for intercommunication, privately owned bridge vSwitch is to realize by the private virtual network interface card in virtual router vRouter with communicating by letter of virtual router vRouter, this private virtual network interface card is specifically designed to the management of virtual router vRouter, the specific implementation of virtual router vRouter management is completed by the Tools process in virtual router vRouter,
After virtual router vRouter configuration is completed, corresponding network strategy will come into force, virtual router vRouter by common vNIC and computing node privately owned bridge vSwitch and pNIC alternately so that the network service of customization to be provided;
Establishment and the layoutprocedure of route virtual network are as follows:
1) the establishment mode of route virtual network
When (1) user creates outside virtual router vRouter virtual network from masterplate, at first need to select at random a computing node;
(2) user creates privately owned bridge vSwitch on computing node, and privately owned bridge vSwitch is and internal physical is isolated, and physical network card is not bound, and the configuration private ip, and this privately owned bridge vSwitch is used for providing dnsmasq DHCP monitoring service;
(3) user is chosen in the upper port set that creates of the privately owned bridge vSwitch of acquiescence, and the port set title of corresponding virtual network title can not be born the same name, and distributes VLAN ID for port set, and VLAN ID can not be 0;
(4) user creates virtual router vRouter by virtual router vRouter masterplate, virtual router vRouter configures three network interface cards, an interior network interface card, an outer network interface card and a privately owned network interface card, privately owned network interface card connects dnsmasq listening port or the privately owned bridge of computing node A, interior network interface card is used for connecting the Intranet network segment or virtual network title, be port set, outer network interface card is used for connecting the outer network segment, and virtual router vRouter carries out Route Selection between inside and outside network interface card;
(5) user arranges the MAC-IP of the privately owned network interface card of virtual router vRouter or the corresponding relation of private ip in computing node dnsmasq configuration file, and configuration dnsmasq service processes carries out the DHCP monitoring to privately owned bridge vSwitch;
(6) user is restarted dnsmasq service processes on computing node, and starts in this virtual machine activation process of outside virtual router vRouter and carry out subsequent configuration;
(7) be that outside virtual router vRouter heat is added the ISO mirror image that Tools is installed, and enter virtual machine installation Tools configuration tool;
(8) if outside virtual router vRouter starts successfully, the keeper is by Tools configuring external virtual router vRouter, configuration information comprises outside virtual router vRouter Intranet IP and outer net IP and route is set, iptables is set to be transmitted, open between network interface card and forward, open iptables NAT and transmit, DHCP IP address range and the mask of configuration dnsmasq, configuration DNS;
(9) after configuration is completed, outside virtual router vRouter virtual network creates successfully;
2) configuration flow of route virtual network
(1) user sends the network operation request to computing node Agent by the RPC far call;
(2) computing node Agent realizes with the RPC of Tools mutual by the privately owned network interface card in internal virtual router vSwitch and outside virtual router vRouter;
(3) Tools accepts request and carries out configuring external virtual router vRouter, configuration information comprises Intranet IP and outer net IP and route is set, iptables is set transmits, forward between the unlatching network interface card, open iptables NAT and transmit, DHCP IP address range and the mask of configuration dnsmasq, configuration DNS, address mapping service, flow control service, the flow equalization service, VPN service and access control service;
(4) return after Tools operation is completed and with execution result former road.
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| CN109688011B (en) * | 2018-12-29 | 2022-03-25 | 杭州迪普科技股份有限公司 | Agent selection method and device based on OpenStack |
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