CN106411785A - Openstack network system based on whole OPENFLOW physical switch network and realization method thereof - Google Patents
Openstack network system based on whole OPENFLOW physical switch network and realization method thereof Download PDFInfo
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- CN106411785A CN106411785A CN201510469250.4A CN201510469250A CN106411785A CN 106411785 A CN106411785 A CN 106411785A CN 201510469250 A CN201510469250 A CN 201510469250A CN 106411785 A CN106411785 A CN 106411785A
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Abstract
The invention provides an Openstack network system based on a whole OPENFLOW physical switch network and a realization method thereof. The Openstack network system comprises an Openstack platform, Openflow physical switches and a SDN controller, wherein the Openstack platform includes a plurality of Openstack virtual switches; the Openflow physical switches are connected to the Openstack virtual switches through a point-to-point connection mode; the SDN controller is connected to the Openflow physical switches, uses a Neutron ml2 plug-in mode to form butt joint with the Openstack platform, is used for identifying topology structures of all the Openflow physical switches and the Openstack virtual switches in a whole network and is responsible for path calculating of a whole switch network and flow table issuing so that the whole network realizes interconnection. Based on the Openflow whole physical switches, the Openstack is deployed so that an advantage of the SDN can be fully embodied. In the invention, extensible Openstack/Neutron network Plugin is realized and simultaneously a design direction is provided for subsequent and further packaging protocol optimization improvement.
Description
Technical field
The present invention relates to future network technical field, more particularly to a kind of based on full OPENFLOW physical switches network
Openstack network system and implementation method.
Background technology
OpenStack is a US National Aeronautics and Space Administration and Rackspace R ＆ D Cooperation, with Apache licence mandate,
And it is a free software and open source code project.It is the project of a cloud platform management, it is not a software.This
Project is combined by several main assemblies and completes some and specifically work.It is by Rackspace and NASA joint development
Cloud computing platform, help service provider and enterprises to realize the cloud infrastructure services similar to Amazon EC2 and S3
(Infrastructure as a Service,IaaS).
Cloud computing is increasingly popularized, and the dynamic offer of the elasticity that cloud provides and service is increasingly attracted attention by people.With OpenStack item
Purpose occurs, and the innovation of cloud platform is also more and more easier.Initially by Nova, oSwift and Glance forms OpenStack project,
Network portion provides flat network configuration and VLAN isolation by Nova, is not paid close attention to too much.This simple net
Network ability makes tenant be difficult to set up multistage network (flat networking pattern), does not have autgmentability can say simultaneously.
From the beginning of Quantum project, OpenStack provides " network connection and service " between interface equipment (such as vNIC).
Quantum allows tenant easily to set up virtual network, the API of modular framework and standard can conveniently realize fire wall and
The Plugin (plug-in unit) of ACL.In the Plugin emerging in multitude, and network maximally related be exactly OpenFlow controller RYU
Plugin, but the Plugin that increases income of RYU lacks the most basic characteristic of cloud computing：Autgmentability.This project will be Openstack
Juno version design neutron/ml2 (the Modular Layer 2) plugin of a more autgmentability, utilize SDN simultaneously
Concentration support and control whole Openflow physical switches network.
Content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of handed over based on full OPENFLOW physics
The Openstack network system of network of changing planes and implementation method, to be controlled using SDN (Software Defined Network)
Device provides a solution that can support full Openflow physical switches for Openstack cloud platform.
For achieving the above object and other related purposes, the present invention provides and a kind of is based on full OPENFLOW physical switches network
Openstack network system, described Openstack network system includes：Openstack platform, including multiple Openstack
Virtual switch；Openflow physical switches, are connected with Openstack virtual switch by point-to-point interconnection；With
And SDN controller, be connected to described Openflow physical switches, and using Neutron ml2 plug-in unit mode with described
Openstack platform docks, for identifying all of Openflow physical switches and the virtual friendship of Openstack in whole network
The topological structure changed planes, and it is responsible for the path computing of whole switch network and issuing of flow table, make whole network realize intercommunication.
One kind as the Openstack network system based on full OPENFLOW physical switches network for the present invention is preferably square
Case, is communicated between each Openstack virtual switch in described Openstack platform by the way of flow table.
One kind as the Openstack network system based on full OPENFLOW physical switches network for the present invention is preferably square
Case, each Openflow physical switches are connected with Openstack virtual switch by the point-to-point interconnection of eth.
One kind as the Openstack network system based on full OPENFLOW physical switches network for the present invention is preferably square
Case, adopts netting twine interconnection, each Openflow physical switches and Openstack platform between each Openflow physical switches
Network-node server adopt netting twine interconnect.
One kind as the Openstack network system based on full OPENFLOW physical switches network for the present invention is preferably square
Case, the flow table number of whole network is S* (S-1), and wherein, S is the sum of all switches in topological structure.
The present invention also provides a kind of Openstack network implementation approach based on full OPENFLOW physical switches network, bag
Include step：
1) start the Openstack network platform；
2) realize SDN controller in the way of Openstack Neutron ml2plugin, ml2_conf configures this project
Controller, then start SDN controller backstage；
3) access Openflow physical switches, interconnected using netting twine between Openflow physical switches, Openflow physics
The network-node server of switch and Openstack is interconnected using netting twine, increases on this eth mouth that network-node server uses
Plus an interface leading to Openflow physical switches；
4) identification of SDN controller includes all of physical switches, the topology knot of the whole network of Openstack virtual switch
Structure, and identify the host information being connected to physical switches, start to calculate path, and issue flow table；
5) SDN controller starts the change of a monitoring thread monitoring topological structure, calculates affected node when changing
Path, re-issue flow table, complete the management and control to whole Openflow physical switches layer for the Openstack network.
One kind as the Openstack network implementation approach based on full OPENFLOW physical switches network for the present invention is excellent
Select scheme, step 1) in, the pattern of the described Openstack network platform is Openstack control node, network node and meter
Operator node is distributed on a different server, with management network segment intercommunication between different nodes.
One kind as the Openstack network implementation approach based on full OPENFLOW physical switches network for the present invention is excellent
Select scheme, step 4) in, the flow table number of whole network is S* (S-1), and wherein, S is all switches in topological structure
Sum.
One kind as the Openstack network implementation approach based on full OPENFLOW physical switches network for the present invention is excellent
Select scheme, step 5) in, the change of topological structure includes newly-increased or deletes switch, or newly-increased, deletion or change switch
Certain port.
One kind as the Openstack network implementation approach based on full OPENFLOW physical switches network for the present invention is excellent
Select scheme, step 5) after the completion of, Openstack network can ground in each network segment profile instance, network, by SDN control
The three-layer network of device foreground configuration closes can be with cross-network segment communicating it is also possible to be needed by the existing outbound communication of the external eth cause for gossip of network node
Ask it is achieved that the existing institute of Openstack is functional.
As described above, the Openstack network system based on full OPENFLOW physical switches network of the present invention and realization
Method, has the advantages that：Existing Openstack Platform Solution is all generally virtual by the establishment of network node
Switch, realizes connecting to be supplied to example.The present invention full Openflow physical switches of support, the algorithm of the innovation of use,
Controller calculates the path topology of whole network, is then handed down to all of Openflow physical switches.It is different from existing
Gre/vlan/vxlan implementation, the present invention no longer creates br-int and br-tun between each virtual machine and is attached, but each
Port between telephone net node issues flow table, sets up a point-to-point connection.Openstack platform is no longer participate in backstage net and coughs up
Structure, network struction, connection all meets at the SDN controller of this present invention with safeguarding, SDN controller can be known automatically
Not topology, calculates path, and issues flow table.Only need to know for Openstack platform have several switches connect into
Come.Dispose the advantage that OpenStack can fully demonstrate SDN based on the full physical switches of OpenFlow.The present invention is real
Show extendible Openstack/Neutron network Plugin, improved Plugin for subsequently further tunneling optimization simultaneously and carry
Supply design direction.
Brief description
Fig. 1 is shown as the system of the Openstack network system based on full OPENFLOW physical switches network of the present invention
Block diagram.
Fig. 2 is shown as the Openstack network implementation approach based on full OPENFLOW physical switches network of the present invention
Steps flow chart schematic diagram.
Component label instructions
11 Openstack platforms
12 Openflow physical switches
13 SDN controllers
131 SDN controller foregrounds
132 SDN controller backstages
Specific embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art can be disclosed by this specification
Content understand other advantages and effect of the present invention easily.The present invention can also be added by addition different specific embodiments
To implement or to apply, the every details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
Carry out various modifications and changes under god.
Refer to Fig. 1～Fig. 2.It should be noted that the diagram provided in the present embodiment only illustrates the present invention's in a schematic way
Basic conception, then in schema only display and relevant assembly in the present invention rather than according to component count during actual enforcement, shape and
Size is drawn, and during its actual enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout type
State is likely to increasingly complex.
As shown in figure 1, the present embodiment provides a kind of Openstack net based on full OPENFLOW physical switches 12 network
Network system, described Openstack network system includes：
Openstack platform 11, including multiple Openstack virtual switches；
Openflow physical switches 12, are connected with Openstack virtual switch by point-to-point interconnection；And
SDN controller 13, is connected to described Openflow physical switches 12, and using Neutron ml2 plug-in unit mode with
Described Openstack platform 11 docks, for identifying all of Openflow physical switches 12 and Openstack in whole network
The topological structure of virtual switch, and it is responsible for the path computing of whole switch network and issuing of flow table, make whole network real
Existing intercommunication.The management and control for full physics OPENFLOW switch network for the OPENSTACK platform 11 thus can be realized.
12 layers of OPENFLOW physical switches are transparent for OPENSTACK layer, and OPENSTACK platform 11 management mode is not
Become, be also indifferent to and how to operate between lower layer switch.
As an example, described SDN controller 13 includes SDN controller foreground 131 and SDN controller backstage 132, institute
State SDN controller foreground 131 to be used for issuing flow table and being responsible for the configuration such as gateway firewall；Described SDN controller backstage 132
For identifying the topological structure of all of Openflow physical switches 12 and Openstack virtual switch in whole network,
And be responsible for the path computing of whole switch network etc..
As an example, carried out by the way of flow table between each Openstack virtual switch in described Openstack platform 11
Communication.
As an example, each Openflow physical switches 12 pass through point-to-point interconnection and the Openstack virtual switch of eth
Machine connects.
As an example, netting twine is adopted to interconnect between each Openflow physical switches 12, each Openflow physical switches 12
Netting twine is adopted to interconnect with the network-node server of Openstack platform 11.
As an example, the flow table number of whole network is S* (S-1), and wherein, S is the sum of all switches in topological structure.
As shown in Fig. 2 the present embodiment also provides a kind of Openstack based on full OPENFLOW physical switches 12 network
Network implementation approach, including step：
Step 1), start the Openstack network platform, specifically, the pattern of the described Openstack network platform is Openstack
Control node, network node and calculate node are distributed on a different server, with management network segment intercommunication between different nodes.
Step 2), realize SDN controller 13 in the way of Openstack Neutron ml2plugin, in ml2_conf
Configure the controller of this project, then start SDN controller backstage 132；
Step 3), access Openflow physical switches 12, interconnected using netting twine between Openflow physical switches 12,
The network-node server of Openflow physical switches 12 and Openstack is interconnected using netting twine, makes in network-node server
One interface leading to Openflow physical switches 12 is increased on this eth mouth；
Step 4), SDN controller 13 identification includes all of physical switches, the whole net of Openstack virtual switch
The topological structure of network, and identify the host information being connected to physical switches, start to calculate path, and issue flow table.
The flow table number that the brand-new routing algorithm that the SDN controller 13 of the present invention uses calculates is S* (S-1), and wherein, S is
The sum of all switches in topological structure, this quantity flow table number more required than in traditional multi-exchange topology is greatly reduced, can
With the more preferable Openflow physical switches 12 supporting various brands.
Step 5), SDN controller 13 starts the change of a monitoring thread monitoring topological structure, the change of described topological structure
Including newly-increased or deletion switch, or certain port that is newly-increased, deleting or change switch, calculate affected when changing
The path of node, re-issues flow table, completes the management and control to 12 layers of whole Openflow physical switches for the Openstack network.
This algorithm only can affect the path of this switch/port of passing by one's way, so simply flow table local issues, can't affect to pass through in topology
The main frame that remaining normal switch is communicated.
Step 5) after the completion of, Openstack network has completed the management and control to whole physical switches layer, Openstack network
Can ground in each network segment profile instance, network, by the three-layer network of SDN controller foreground 131 configuration close can with cross-network segment communicating,
Can also be by the existing outbound communication demand of the external eth cause for gossip of network node it is achieved that the existing institute of Openstack be functional.
As described above, the present invention provides a kind of Openstack network system based on full OPENFLOW physical switches 12 network
System and implementation method, described Openstack network system includes：Openstack platform 11, virtual including multiple Openstack
Switch；Openflow physical switches 12, are connected with Openstack virtual switch by point-to-point interconnection；And
SDN controller 13, is connected to described Openflow physical switches 12, and using Neutron ml2 plug-in unit mode with described
Openstack platform 11 docks, for identifying all of Openflow physical switches 12 and Openstack in whole network
The topological structure of virtual switch, and it is responsible for the path computing of whole switch network and issuing of flow table, make whole network real
Existing intercommunication.The invention has the advantages that：Existing Openstack platform 11 solution is all generally by network
Node creates virtual switch, realizes connecting to be supplied to example.The present invention supports full Openflow physical switches 12, makes
The algorithm of innovation, controller calculates the path topology of whole network, is then handed down to all of Openflow physical switches
12.It is different from existing gre/vlan/vxlan implementation, the present invention no longer creates br-int and br-tun between each virtual machine
It is attached, but the port between each telephone net node issues flow table, set up a point-to-point connection.Openstack puts down
Platform 11 is no longer participate in the structure that backstage net is coughed up, and network struction, connection all meets at the SDN controller of this present invention with safeguarding
13, SDN controller 13 meeting automatic identification topology, calculates path, and issues flow table.For Openstack platform 11
Say and only need to know have several switches to connect to come in.Can be filled based on OpenFlow full physical switches deployment OpenStack
The advantage of the existing SDN of split.Present invention achieves extendible Openstack/Neutron network Plugin, simultaneously for subsequently entering one
Step tunneling optimization improves Plugin and provides design direction.So, the present invention effectively overcomes of the prior art a variety of scarce
Put and have high industrial utilization.
Above-described embodiment only principle of the illustrative present invention and its effect, not for the restriction present invention.Any it is familiar with this skill
The personage of art all can carry out modifications and changes without prejudice under the spirit and the scope of the present invention to above-described embodiment.Therefore, such as
Those of ordinary skill in the art completed under without departing from disclosed spirit and technological thought all etc.
Effect modifications and changes, must be covered by the claim of the present invention.
Claims (10)
1. a kind of Openstack network system based on full OPENFLOW physical switches network is it is characterised in that described
Openstack network system includes：
Openstack platform, including multiple Openstack virtual switches；
Openflow physical switches, are connected with Openstack virtual switch by point-to-point interconnection；
SDN controller, is connected to described Openflow physical switches, and adopts Neutron ml2 plug-in unit mode and institute
State the docking of Openstack platform, for identifying that in whole network, all of Openflow physical switches and Openstack are empty
Intend the topological structure of switch, and be responsible for the path computing of whole switch network and issuing of flow table, make whole network real
Existing intercommunication.
2. the Openstack network system based on full OPENFLOW physical switches network according to claim 1, it is special
Levy and be：Communicated by the way of flow table between each Openstack virtual switch in described Openstack platform.
3. the Openstack network system based on full OPENFLOW physical switches network according to claim 1, it is special
Levy and be：Each Openflow physical switches are connected with Openstack virtual switch by the point-to-point interconnection of eth.
4. the Openstack network system based on full OPENFLOW physical switches network according to claim 1, it is special
Levy and be：Netting twine interconnection, each Openflow physical switches and Openstack is adopted between each Openflow physical switches
The network-node server of platform adopts netting twine to interconnect.
5. the Openstack network system based on full OPENFLOW physical switches network according to claim 1, it is special
Levy and be：The flow table number of whole network is S* (S-1), and wherein, S is the sum of all switches in topological structure.
6. a kind of Openstack network implementation approach based on full OPENFLOW physical switches network is it is characterised in that include
Step：
1) start the Openstack network platform；
2) realize SDN controller in the way of Openstack Neutron ml2plugin, in ml2_conf, configure this
The controller of project, then starts SDN controller backstage；
3) access Openflow physical switches, interconnected using netting twine between Openflow physical switches, Openflow
The network-node server of physical switches and Openstack is interconnected using netting twine, this eth using in network-node server
One interface leading to Openflow physical switches is increased on mouth；
4) SDN controller identification includes all of physical switches, the opening up of the whole network of Openstack virtual switch
Flutter structure, and identify the host information being connected to physical switches, start to calculate path, and issue flow table；
5) SDN controller starts the change of a monitoring thread monitoring topological structure, calculates affected section when changing
The path of point, re-issues flow table, completes the management and control to whole Openflow physical switches layer for the Openstack network.
7. the Openstack network implementation approach based on full OPENFLOW physical switches network according to claim 6,
It is characterized in that：Step 1) in, the pattern of the described Openstack network platform is Openstack control node, network
Node and calculate node are distributed on a different server, with management network segment intercommunication between different nodes.
8. the Openstack network implementation approach based on full OPENFLOW physical switches network according to claim 6,
It is characterized in that：Step 4) in, the flow table number of whole network is S* (S-1), and wherein, S is all friendships in topological structure
The sum changed planes.
9. the Openstack network implementation approach based on full OPENFLOW physical switches network according to claim 6,
It is characterized in that：Step 5) in, the change of topological structure includes newly-increased or deletes switch, or newly-increased, deletion or change
Certain port of switch.
10. the Openstack real-time performance side based on full OPENFLOW physical switches network according to claim 6
Method it is characterised in that：Step 5) after the completion of, Openstack network can ground in each network segment profile instance, network, lead to
The three-layer network pass crossing the configuration of SDN controller foreground can be with cross-network segment communicating it is also possible to pass through the external eth mouth of network node
Realize outbound communication demand it is achieved that the existing institute of Openstack is functional.
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| CN107819851A (en) * | 2017-11-10 | 2018-03-20 | 郑州云海信息技术有限公司 | A kind of Openstack single nodes deployment and virtualization system ICS docking calculation |
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| CN108540408B (en) * | 2018-04-16 | 2020-11-13 | 广东亿迅科技有限公司 | Openstack-based distributed virtual switch management method and system |
| CN109617714A (en) * | 2018-11-26 | 2019-04-12 | 高新兴国迈科技有限公司 | A kind of GBT28181 docking system and method |
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| CN109660443B (en) * | 2018-12-26 | 2021-12-31 | 江苏省未来网络创新研究院 | SDN-based physical device and virtual network communication method and system |
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| CN111355668A (en) * | 2020-03-12 | 2020-06-30 | 北京嘀嘀无限科技发展有限公司 | Method for determining forwarding path, switch and storage medium |
| CN111917596B (en) * | 2020-08-27 | 2023-07-25 | 中国平安财产保险股份有限公司 | Network access method, device, equipment and storage medium |
| CN111917596A (en) * | 2020-08-27 | 2020-11-10 | 中国平安财产保险股份有限公司 | Network access method, device, equipment and storage medium |
| CN113472799A (en) * | 2021-07-07 | 2021-10-01 | 新华三大数据技术有限公司 | Interconnection management method, device and equipment based on cloud platform |
| CN113472799B (en) * | 2021-07-07 | 2023-04-07 | 新华三大数据技术有限公司 | Interconnection management method, device and equipment based on cloud platform |
| CN114567523A (en) * | 2022-04-22 | 2022-05-31 | 阿里巴巴（中国）有限公司 | Method, equipment and storage medium for customizing vlan network |
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| CN106411785B (en) | 2019-08-06 |
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