CN108449197A - A kind of cloudy environment network construction method based on software defined network - Google Patents
A kind of cloudy environment network construction method based on software defined network Download PDFInfo
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- CN108449197A CN108449197A CN201810004783.9A CN201810004783A CN108449197A CN 108449197 A CN108449197 A CN 108449197A CN 201810004783 A CN201810004783 A CN 201810004783A CN 108449197 A CN108449197 A CN 108449197A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
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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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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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
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
Abstract
The invention discloses a kind of cloudy environment network construction method based on software defined network.This method is:1) for each cloud platform of selection, software defined network is built in the cloud platform;2) server as opening interface, i.e. external interface server are chosen in each cloud platform;3) virtual network in each cloud platform is interconnected using the external interface server, realizes the intercommunication of different cloud platform virtual networks;4) software defined network management node is deployed on each external interface server, builds cloudy environment network and the virtual network under cloudy environment network is managed.The present invention can realize across cloud structure and management virtual machine, container, ensure across the cloud deployment of business to the quick search of each cloud platform virtual machine, capacitor network configuration information.
Description
Technical field
The present invention relates to computer software technical field, more particularly to a kind of across cloud network construction method based on SDN.
Background technology
Software defined network (Software Defined Network, SDN), is a kind of new network framework, is network
A kind of realization method of virtualization, core technology OpenFlow is by separating network equipment control plane with data surface
Come, to realize the flexible control of network flow, network is made to become more intelligent as pipeline.
Cloudy environment is a kind of service environment based on novel I T architectures.Traditional IT infrastructure, based on simple
Physical structure, scalability is smaller, and deployment maintenance cost is higher.Novel IT infrastructure, gradually moves to virtual environment
And cloud environment, it is interactive by the mixing of virtual machine environment and cloud environment, realize the exploitation applied in multiple cloud environments, test and
Deployment.Under the fast changing cloudy service environment of internet/mobile Internet, flexibility and agility are at IT business
Important need.But existing network Technical Architecture is directed to traditional IT infrastructure, it is difficult to which it is right under cloudy service environment to meet
In the demand of network, the network struction and management across cloud service deployment cannot achieve.
Invention content
For under cloudy environment, the interconnection of network and isolating problem, the present invention provides one kind being based on software defined network
Cloudy environment network construction method, core concept is:Using software defined network virtual net is set up in different cloud platforms
The virtual network of different cloud platforms is interconnected and is managed by the server of specified opening by network.
The specific technical solution that the present invention takes is:
1) same application cluster is built in each cloud platform;For each cloud platform of selection, in the cloud platform
Build software defined network;
2) interface of the server as opening is chosen in each cloud platform;
3) according to the server chosen in step 2), the virtual network in different cloud platforms is interconnected, is realized different
The intercommunication of cloud platform virtual network;
4) according to the server chosen in step 2), software defined network management node is deployed on each server,
Realize the structure of virtual network and management under cloudy environment;
Further, step 1) includes that the application based on virtual machine, container is built on the server in each cloud platform
Cluster management system, and for each cloud platform of selection, software defined network is built in the cloud platform, make to operate in service
Application on device builds virtual network by software defined network tool, that is, virtual machine, the container for running application are fixed by software
Adopted network tool carries out the configuration of network.
Further, software defined network tool includes but not limited to existing network struction component and network of the increasing income prison of increasing income
Component is controlled, the network equipment of the network struction component of increasing income by creating with management server realizes the void to operation application
Quasi- machine, container network structure and setting, according to the difference for network struction component of increasing income, the content of structure and setting include but
It is not limited to IP address, gateway address, netmask, vlan, iptables rule etc.;It is fixed that the network monitoring component of increasing income passes through
When inquire and record server network device situation of change, the network of virtual machine, container is monitored and is fed back.
Further, the software defined network is cross-server virtual network inside each cloud platform, by above-mentioned soft
Part defines network tool so that virtual machine, container on different server can be by IP address and according to setting rule mutually
It accesses.
Further, the server of specified quantity is chosen by the specific setting of each cloud platform in step 2), setting is public
Network interface, as the gateway of cloud platform internal virtual network, enable the server to inside connection cloud platform other servers with it is outer
Portion's public network.
Further, public network address the connecing as each cloud platform for the server selected each cloud platform in step 3)
Enter address, and be recorded in the configuration file of all cloud platforms so that different cloud platforms can by selected interface server with
Other cloud platforms are communicated.
Further, step 3) further includes:Firewall rule is set in each cloud platform, each cloud platform is selected
White list is added in the public network address of server, ensures that the public network address of the selected server of each cloud platform can access, different
Interface server between cloud platform can communicate.
Further, virtual network is managed by software defined network component in step 4).
Further, the software defined network component include but not limited to existing global coherency key assignments storage system and
Centralized management system;The globally consistent character that the global coherency key assignments storage system passes through the cloudy environment network of preservation
State records under cloudy environment the information such as virtual machine, the virtual network address of container, gateway in whole cloud platforms, for centralization pipe
Reason system and the inquiry of software defined network component;The centralized management system is stored by above-mentioned global coherency key assignments
System obtains the network configuration of each server in whole cloud platforms, when virtual machine, the container of operation application created, is deleted, is moved
Corresponding to change its network configuration when the operations such as shifting, server where distribution operation requests to virtual machine, container is determined by software
Adopted networking component is built and is managed to virtual network, sets access rule, and network configuration information is updated to the overall situation one
Cause property key assignments storage system.
Further, the global coherency key assignments storage system of each cloud platform and centralized management system pass through step
Rapid 2) the middle server chosen, is led to the global coherency key assignments storage system and centralized management system of other cloud platforms
Letter.So that the global coherency key assignments storage system run on each platform is all preserved the network configuration information of other platforms, realizes
Under cloudy environment, the centralized management system of each cloud platform can be deployed in the global coherency key assignments of this platform by inquiry
Storage system obtains all virtual machines, capacitor network configuration information.Centralized management system is set to be asked by sending operation
It asks to the centralized management system of other cloud platforms, realizes the function of the network of the virtual machine, container that manage other cloud platforms, it is right
The virtual network of all cloud platforms is managed collectively.
Compared with prior art, the positive effect of the present invention is:
Through the above technical solutions, the network for virtual machine, container under cloudy environment is built and is managed.By
Each cloud platform deployment global coherency key assignments storage system and centralized management system, realize to each cloud platform virtual machine,
The quick search of capacitor network configuration information realizes across cloud structure and management virtual machine, container, ensures across the cloud deployment of business.It is logical
It crosses and is directed to business network demand, select suitable software defined network component, flexibly processing runs the virtual machine, container applied
Situations such as creating, delete, migrating, ensures the network quality under cloudy environment.
Description of the drawings
Fig. 1 is cloudy environment network configuration diagram of the expression based on SDN in one embodiment of the invention.
Specific implementation mode
The present invention is explained in further detail below in conjunction with the accompanying drawings.
Multiple cloud platforms are selected to build cloudy environment first, such as Ali's cloud and Amazon AWS.It is created in each cloud platform
Account simultaneously applies for virtual machine, software needed for installation business, defines networking component using open source software, configures cluster network information,
Including information such as software version, component Name, component type, IP address management components, in each cloud platform internal build software
Network is defined, business cluster is built in completion.
The present invention is based on the cloudy environment network configuration diagrams of SDN as shown in Figure 1, being selected in the cluster of each cloud platform
Take a server as external interface, what this method selected is to dispose the server of cluster management system as external interface,
It is arranged and opens public ip address, using its internal address as this cluster virtual machine, the gateway address of container, passes through software definition
Networking component is written to software defined network configuration file.
The configuration text of all cloud platform clusters is written in the public ip address for recording each cloud platform external interface server
Part configures the network firewall strategy of each cloud platform, allows the communication between selected server, ensures and other cloud platforms
The server of selection is interconnected, and realizes communication of each cloud platform external interface server under cloudy environment.
This method disposes software defined network component on the external interface server of each cloud platform, including globally consistent
Property key assignments storage system and centralized network manage system.By by the public ip address of each cloud platform external interface server
The configuration file that above-mentioned each cloud platform cluster is written runs the storage of global coherency key assignments on all external interface servers
System so that global coherency key assignments storage system can communicate under cloudy environment, and logging software defines network
Information is inquired for Network Management System.At each center with startup software defined network on platform external interface server
Change Network Management System, is communicated with the management system holding of the centralized network of other cloud platforms, this platform is deployed in by inquiry
Global coherency key assignments storage system collect the network configuration informations of all clusters of each cloud platform, according to business demand management
Virtual machine, capacitor network inside each cloud platform send a request to target platform in across the cloud deployment of business, carry out virtual
Machine, the structure of container and management.
When user creates new virtual machine or container by cluster management system, cluster management system selects a cloud flat
Platform is disposed, and the centralized network management system of this cloud platform calls software defined network according to the configuration of software defined network
Network component reads the information in global coherency key assignments storage system, for newly-built virtual machine or container Configuration network information, matches
The network equipment is set, realize the network of the virtual machine or container and belongs to other virtual machines, the reservoir of the user, with other use
The virtual machine at family, vessel isolation, and update the global coherency key assignments storage system of so far cloud platform, according to its existing global one
Cause property algorithm, the configuration information can update the global coherency key assignments storage system of all cloud platforms under cloudy environment, to protect
Demonstrate,prove the consistent of software defined network information under cloudy environment.When virtual machine, container are deleted, the centralization of place cloud platform
Network Management System can delete corresponding network configuration information, be updated to global coherency key assignments storage system, ensure cloudy ring
Software defined network information is consistent under border.
It is finally noted that the purpose for publicizing and implementing mode is to help to further understand the present invention, but ability
The technical staff in domain is appreciated that:Without departing from the spirit and scope of the invention and the appended claims, it is various replacement and
Modification is all possible.Therefore, the present invention should not be limited to embodiment disclosure of that, the scope of protection of present invention with
Subject to the range that claims define.
Claims (9)
1. a kind of cloudy environment network construction method based on software defined network, step include:
1) for each cloud platform of selection, software defined network is built in the cloud platform;
2) server as opening interface, i.e. external interface server are chosen in each cloud platform;
3) virtual network in each cloud platform is interconnected using the external interface server, realizes that different cloud platforms are virtual
The intercommunication of network;
4) software defined network management node is deployed on each external interface server, builds cloudy environment network simultaneously
Virtual network under cloudy environment network is managed.
2. the method as described in claim 1, which is characterized in that be deployed with software defined network on the external interface server
Component, the software defined network component include but not limited to global coherency key assignments storage system and centralized management system;
Wherein, the global coherency key assignments storage system records each cloud by the global coherency state of the cloudy environment network of preservation
The virtual network address and gateway information of virtual machine, container on platform;The centralized management system passes through described globally consistent
Property key assignments storage system, obtain in each cloud platform server network configuration, when needed in a cloud platform carry out virtual machine wound
It builds, delete or when migration operation, corresponding to change its network configuration, server where distribution operation requests to the virtual machine, and will
Modified network configuration is updated to the cloud platform and the global coherency key assignments storage system of other cloud platforms;When a cloud is flat
It is corresponding to change its network configuration, distribution operation requests to the appearance when needing to carry out the establishment, deletion or migration operation of container in platform
Server where device, and modified network configuration is updated to the cloud platform and the global coherency key assignments of other cloud platforms
Storage system.
3. method as claimed in claim 2, which is characterized in that the external interface server passes through the software defined network
Component is built and is managed to the virtual network, and access rule is set.
4. the method as described in claims 1 or 2 or 3, which is characterized in that the publicly-owned IP of each external interface server
Location is respectively written into the configuration file of each cloud platform;The centralized network management system is described globally consistent by inquiring
Property key assignments storage system collect the network configuration informations of each all clusters of the cloud platform, each cloud platform is managed according to business demand
Virtual machine, the capacitor network of inside send a request to target platform in across the cloud platform deployment of business, carry out virtual machine, container
Structure and management.
5. the method as described in claim 1, which is characterized in that the software defined network is that cross-server is empty inside cloud platform
Intend network, the virtual machine, container in each cloud platform server can mutually be accessed by IP address and according to setting rule.
6. the method as described in claim 1, which is characterized in that the external interface server is arranged and with opening publicly-owned IP
The gateway address of its internal address virtual machine, container in cloud platform as where is written to by location, the external interface server
The configuration file of software defined network.
7. method as described in claim 1 or 6, which is characterized in that recorded in the configuration file of the software defined network each
The public ip address of the external interface server of a cloud platform, the network firewall strategy of each cloud platform.
8. the method as described in claim 1, which is characterized in that by software defined network tool to the software defined network
It is configured;Wherein, the software defined network tool includes but not limited to increase income network struction component and network monitoring of increasing income
Component;
The network equipment of the network struction component of increasing income by creating with management server, is realized to the virtual of operation application
Machine, container network built and be arranged;The network monitoring component of increasing income is inquired by timing and record server network
The situation of change of equipment is monitored and feeds back to the network of virtual machine, container.
9. the method as described in claim 1, which is characterized in that in the step 1), in each server of cloud platform
Virtual machine, Container Management system are built, the software defined network is obtained.
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