CN110635999A - Cloud computing platform network control method based on router virtualization technology - Google Patents
Cloud computing platform network control method based on router virtualization technology Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/58—Association of routers
- H04L45/586—Association of routers of virtual routers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/4557—Distribution of virtual machine instances; Migration and load balancing
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Abstract
The invention relates to the field of virtualization technologies and cloud computing technologies, in particular to a cloud computing platform network control method based on a router virtualization technology. The method realizes the combination of the virtual router and a Neutron module in the openstack by running the virtual router in a Windows system of a general X86 hardware platform and deploying an openstack cloud computing environment. The invention utilizes the Neutron component to control the virtual router, can realize the function of the traditional network router or switch, and realize the good control of the openstack to the network performance of the tenant; the universality and flexibility of the virtual router can well meet the requirements of virtual machine migration, tenant scale expansion and the like. By utilizing the method and the device, the network control function of the Neutron component in the openstack cloud computing platform can be further improved, the application of the virtualization technology in cloud computing is promoted, and a good access point is provided for the application of the SDN technology in the openstack.
Description
Technical Field
The invention relates to the field of virtualization technology and cloud computing, in particular to a cloud computing platform network control method based on a router virtualization technology. The method realizes the combination of the virtual router and a Neutron module in the openstack by running the virtual router in a Windows system of a general X86 hardware platform and deploying an openstack cloud computing environment.
Background
Currently, virtualization technologies, SDN, and cloud computing technologies fill new activities for the development of internet technologies. Among them, the application of virtualization technology and cloud computing technology is becoming more and more popular, and SDN technology based on openflow protocol is not yet mature enough. The Openstack cloud computing system requires high network controllability and flexibility to adapt to functions of tenant network management, virtual machine migration and the like, and the idea of separation of control and forwarding in the SDN technology meets the requirement of opentack.
As shown in fig. 2, in order to implement the deployment of the SDN technology in openstack, the academic community proposes to add a plug-in to a Neutron module to implement the function of an SDN controller, but the SDN technology limited by the current openflow protocol is not mature enough, the method is blocked in the current practical application, and the integration of the function of the SDN controller in the Neutron module increases the network control burden of the Neutron module, which affects the openstack network performance; the openflow switch of the SDN forwarding layer has no mature traditional router and switch for the functions of limiting the speed of a port, guaranteeing the QOS and the like.
And a virtual Router (Virtualized Router) based on a Windows platform realizes software and hardware decoupling, and ensures flexibility and universality. A VR API is further added in the integration layer to package a router network interface function, and a Neutron plug-in VR plug is realized to control the virtual router data forwarding, so that the idea of separation of control and forwarding in the SDN technology is met, and the application of the SDN technology in the field of cloud computing is promoted; moreover, the virtual router runs in an independent virtual machine, and the network load of the Neutron module cannot be increased; the virtual router can limit speed and ensure QOS of the routing port, and better tenant extension can be realized; technologies such as vxlan and nvgre can be well realized on the virtual router, and the virtual machine migration requirement in the field of cloud data centers is met; the good universality and flexibility of the virtual router can well realize HA required by private cloud or public cloud customers, and the requirements of openstack on functions such as safety, monitoring, load balancing, firewall and the like can also be met by adopting a virtualization technology on a Windows system.
Based on the current situation of the prior art, the inventor of the application plans to provide a cloud computing platform network control method based on a router virtualization technology, and the method realizes the combination of a virtual router and a Neutron module in an openstack by running the virtual router in a Windows system of a general X86 hardware platform and deploying an openstack cloud computing environment.
Disclosure of Invention
The invention aims to realize a cloud computing platform network control method based on a router virtualization technology based on the current situation of the prior art. According to the method, a Neutron plug-in VR plug is added in the openstack cloud computing platform, and a VR API layer on the virtual router integrated code layer is packaged, so that the VR plug controls the virtual router through the VR API layer, and finally the purpose of controlling the openstack network node is achieved.
The method comprises the following steps: adding a virtual router management plug-in (VR plug) in a Neutron component of an openstack cloud computing system, packaging a VR API layer on a virtual router integrated code layer, and performing information interaction between the VR plug-in and the VR API layer through a message queue to realize control on virtual router data forwarding; the control mode of the openstack cloud computing platform on the virtual router can be a Web configuration interface or a command line input mode; the virtual router image runs in a virtual machine in a server Windows system.
The technical scheme of the invention is realized by the following basic steps:
firstly, installing a Ubuntu virtual machine in a Windows system of a server or a PC, deploying an openstack cloud computing environment, and then installing virtual machine software VMware or VirtualBox required by the mirror image operation of a virtual router;
secondly, adding a plug-in VR plug in the Neutron module, wherein the plug-in VR plug can call VR API layer functions on the virtual router integration layer, so as to call network interface functions of the virtual router and further control network functions;
and thirdly, adding a VR API layer on the virtual router integrated code layer, packaging the network interface function of the virtual router and carrying out information interaction with the VR plug.
And fourthly, expanding a Horizon interface in the Dashboard module to realize the Web control of the tenant or the administrator on the virtual router.
And fifthly, establishing a network and a virtual machine in the openstack, and testing the network performance among tenants.
More specifically, the invention relates to a cloud computing platform network control method based on a router virtualization technology, which comprises the following steps:
(1) deploying an openstack cloud computing platform in an X86 server or a Windows system on a common PC, and installing a virtual router compiling and running environment;
(2) adding a Neutron plug-in VR plug for managing the virtual router in the Neutron module, and encapsulating a VR API layer on the virtual router integrated code layer, wherein the VR plug controls the virtual router through the VR API layer;
(3) and expanding the control and management functions of the Horizon interface on the virtual router in the Dashboard module, wherein the functions comprise adding a virtual router port and a tenant speed limit function.
In the implementation of the step (1), the virtual router is operated in a Windows system of a general X86 hardware platform, so that the virtualization technology is more flexibly applied to cloud computing.
In the step (2), plug-ins VR Plugin, Nova and Dashboard are added in the Neutron module, and the virtual router is controlled through the Neutron API.
In the step (2), a VR API layer is added on the virtual router integrated code layer, and the VR API layer encapsulates the network interface function of the virtual router, so that VR Plugin can call and control the VR API layer conveniently.
In the step (3), the control function and the authority of the tenant or the administrator to the virtual router are added in the Dashboard module, so that the speed limit and the QOS function of the routing port in an friendly UI interface are realized.
The invention provides a cloud computing platform network control method based on a router virtualization technology. The method realizes the combination of the virtual router and a Neutron module in the openstack by running the virtual router in a Windows system of a general X86 hardware platform and deploying an openstack cloud computing environment.
The invention has the advantages that:
the Neutron component is used for controlling the virtual router, so that the functions of a traditional network router or a switch can be realized, and the openstack can well control the performance of the tenant network; the universality and flexibility of the virtual router can well meet the requirements of virtual machine migration, tenant scale expansion and the like; by utilizing the method and the device, the network control function of the Neutron component in the openstack cloud computing platform can be further improved, the application of the virtualization technology in cloud computing is promoted, and a good access point is provided for the application of the SDN technology in the openstack.
Drawings
FIG. 1 is a schematic diagram of a route of an implementation method of the present invention.
Fig. 2 shows a deployment method of the current SDN technology in openstack.
Fig. 3 is a flow chart of network creation according to the present invention.
Fig. 4 is a flow chart of virtual machine creation according to the present invention.
Detailed Description
Example 1
The implementation method of the invention is shown in a schematic diagram of a route in fig. 1, wherein a Neutron plug-in VR Plugin is in communication with a virtual router VR API, the other end of the virtual router is connected with a virtual switch OVS of a computing node, and the virtual router is an intermediary for communication between an internal network and an external network of a tenant.
The present invention will be described in detail below with reference to the accompanying drawings.
● configuration environment
An openstack environment is deployed in a Windows system of a server or a common PC, the openstack version is Icehouse, the virtual machine software is VirtualBox, and the adopted linux operating system is CentOS 6.5x86_ 64. And installing a virtual router and an openstack code compiling environment.
● increasing Neutron plug-in VR Plugin
In order to make up the deficiency of the self-contained network function of Neutron, a richer network control function can be realized by expanding a plug-in VR plug-in, after receiving a network request from a client through a Neutron API, the Neutron server calls the VR plug-in to select a network agent and stores configuration information into a database, in the embodiment of the invention, the target agent is a virtual router VR-agent;
when the code of the plug-in VR plug-in is added in the openstack compiling environment, a Python directory and a file/neutron/plug-ins/VirtualizedRouter/VR _ plug-in can be added for communicating with the VR API, and constant definitions related to the virtual router are added in the/neutron/plug-ins/common/constants; the VR Plugin plug-in inherits the ServicePluginBase, and the database realization and the scheduling realization of the VR Plugin plug-in also need to inherit the basic class of the Neutron module;
the management and control functions of the virtual router are required to be added in VR plug, including the management and control of the functions of router ports and mirror images, VLAN, routing, ACL, speed limit, QOS and the like; and the VR Plugin carries out information interaction with the VR API of the virtual router through the message queue, so that the control on the related functions of the router is realized.
● adding VR API layer of virtual router
The virtual router is used as a network agent VR-agent of VR Plugin, and except for realizing the basic functions of the traditional router, a VR API layer needs to be packaged on an integrated code layer of the virtual router so as to facilitate the management and control of VR Plugin on the virtual router;
after a VR API layer is packaged, the virtual router not only realizes software and hardware decoupling, but also meets the idea of separation of control and forwarding in an SDN network, and only the current SDN is realized not based on an openflow protocol but based on the API;
when packaging VR API code, mainly packaging functions of port speed limit, flow management, ACL, VLAN, OSPF, BGP and the like in the virtual router; when the tenant or the administrator controls the network, the configuration can be carried out through the virtual router command line and the Dashboard.
● extended Horizon interface
In order to realize friendly interface control of tenants or administrators on the virtual router, the functions of the Horizon component can be expanded in the module Dashboard, and the functions mainly include port configuration and management, traffic management, fault early warning and diagnosis and the like of the virtual router; the Dashboard can call a Neutron API in the form of sdk, the Neutron API is communicated with a Neutron server through an REST interface, and finally the Neutron server calls a plug-in VR Plugin to realize management and control of the virtual router;
the expansion Horizon interface is mainly characterized in that a monitering panel component is added in a/Horizon/dashboard copy file under the admin authority, and then url, view and table components are defined so as to manage and control partial functions of the virtual router.
● creating networks and virtual machines and testing tenant network performance
Creating a network flow diagram as shown in fig. 3, where a virtual router is adopted as a network agent in the flow diagram, and when the current SDN technology based on the openflow protocol is deployed in an openstack network, the network agent is an SDN controller, that is, the virtual router in the present invention replaces and adds the function of the current SDN controller; the operation process of establishing the network is similar to the process of establishing the network by the traditional openstack cloud platform, namely, a system panel is opened by the authority of an administrator, the network is established, and a subnet IP address is set;
the flowchart for creating a virtual machine is shown in fig. 4, and likewise, the network agent in the flowchart also replaces the SDN controller with a virtual router; the operation process of creating the virtual machine is similar to that of creating the virtual machine by a traditional openstack cloud platform, namely, a client requests to create the virtual machine through Nova-api, after Nova passes keystone verification, Nova-scheduler randomly selects a computing node to create the virtual machine and calls Nova-computer service, then Neutron allocates resources to the virtual machine, and finally libvirt creates the virtual machine.
Description of the invention
The above description of the present invention is merely a detailed description of the embodiments of the present invention, and is not intended to limit the scope of the present invention, and it will be apparent to those skilled in the relevant art that equivalent embodiments or modifications thereof without departing from the technical spirit of the present invention are included in the present invention.
Claims (5)
1. A cloud computing platform network control method based on a router virtualization technology is characterized by comprising the following steps:
(1) deploying an openstack cloud computing platform in an X86 server or a Windows system on a common PC, and installing a virtual router compiling and running environment;
(2) adding a Neutron plug-in VR plug for managing the virtual router in the Neutron module, and encapsulating a VR API layer on the virtual router integrated code layer, wherein the VR plug controls the virtual router through the VR API layer;
(3) and expanding the control and management functions of the Horizon interface on the virtual router in the Dashboard module, wherein the functions comprise adding a virtual router port and a tenant speed limit function.
2. The method of claim 1, wherein in the step (1), the virtual router runs in a Windows system of a general X86 hardware platform, so that the virtualization technology is more flexibly applied to cloud computing.
3. The method of claim 1, wherein in step (2), plug-ins VR plug, Nova and Dashboard are added to the Neutron module, and the virtual router is controlled through the Neutron API.
4. The method of claim 1, wherein in step (2), a VR API layer is added to the virtual router integrated code layer, and encapsulates the network interface function of the virtual router to facilitate the VR Plugin to call and control the VR API layer.
5. The method of claim 1, wherein: in the step (3), the control function and the authority of the tenant or the administrator to the virtual router are added in the Dashboard module, so that the speed limit and the QOS function of the routing port in an friendly UI interface are realized.
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Cited By (5)
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| CN111901236A (en) * | 2020-08-05 | 2020-11-06 | 烽火通信科技股份有限公司 | Method and system for optimizing openstack cloud network by using dynamic routing |
| CN112748983A (en) * | 2020-12-29 | 2021-05-04 | 中国人寿保险股份有限公司上海数据中心 | OpenStack-based virtual private cloud system and construction method thereof |
| CN114553771A (en) * | 2021-12-24 | 2022-05-27 | 天翼云科技有限公司 | Method for loading virtual router and related equipment |
| WO2022257388A1 (en) * | 2021-06-08 | 2022-12-15 | 深圳前海微众银行股份有限公司 | Speed limiting method and apparatus for virtual machine, and device, storage medium and program |
| CN115529274A (en) * | 2021-06-24 | 2022-12-27 | 中移(苏州)软件技术有限公司 | Network speed limiting method and equipment |
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