CN106059915A - System and method for implementing limitation of north-south traffic of tenants based on SDN controller - Google Patents
System and method for implementing limitation of north-south traffic of tenants based on SDN controller Download PDFInfo
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- CN106059915A CN106059915A CN201610575674.3A CN201610575674A CN106059915A CN 106059915 A CN106059915 A CN 106059915A CN 201610575674 A CN201610575674 A CN 201610575674A CN 106059915 A CN106059915 A CN 106059915A
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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
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/20—Traffic policing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/78—Architectures of resource allocation
- H04L47/783—Distributed allocation of resources, e.g. bandwidth brokers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention relates to a system and method for implementing limitation of north-south traffic of tenants based on an SDN controller. The system comprises an SDN controller and a virtual router proxy, wherein the SDN controller issues a tenant IP packet traffic policy to the virtual router proxy, and issues different routes to a virtual router; the virtual router proxy performs packet forwarding between the virtual router and a virtual network border gateway, counts tenant IP packet traffic in real time, and controls the volume of traffic according to the tenant IP packet traffic policy. By means of the system and method, the function of limitation of north-south traffic of tenants is implemented based on an SDN controller under the virtual network architecture of an existing SDN controller software system, thereby solving the problem about how to make a data center implement bandwidth allocation of tenants in a network, providing a guarantee for bandwidth, ensuring the minimum bandwidth during traffic congestion, and guaranteeing the quality of service of the network of each tenant.
Description
Technical field
The present invention relates to SDN controller software technical field, particularly relate to SDN and control flow techniques field, specifically refer to
A kind of system and method realizing tenant north-south Limit Rate based on SDN controller.
Background technology
Landing the stage along with cloud computing and big data enter, New Generation of IDC has become as support enterprise innovation development
The key of strategy.Data center network is as the core component of data center, to many tenants, the support of the production environment of many application
It is requisite.Do not support to solve to virtualize MAC Address blast, the autgmentability of double layer network and the three-layer network brought
The problems such as the contradiction between the contradiction of IP address transfer and the polytropy of application demand and the complexity of network configuration, propose
The concept of network virtualization.By the way of building mutually isolated virtual network for different tenants, different application, it is achieved no
With the address space between tenant and application and the isolation of performance, thus meet multiple to autgmentability, motility and QoS of user
Requirement.
SDN controller is the software system of Logical central control, programmable, supports network dynamic programming, the network address
Isolation and the virtual network of many tenants.SDN technology is used to realize virtual network in data center, it is possible to meet Novel cloud meter
Calculate data center network extension scalable, easy, simplify and dispose and management and can the demand of speed-to-market.
Referring to the mutual flow between external user and internal server at data center's north-south flow, East and West direction flow refers to
Mutual flow between internal server, is also horizontal flow.In data center network, tenant rents multiple virtual machine, in void
Externally providing service after disposing operation system on plan machine, external user accesses service by data center's outlet bandwidth, walks all
It it is north-south flow.Owing to being also the Internet resources shared of many tenants while that outlet bandwidth being limited, data center currently faces
One major issue is how to realize tenant's bandwidth distribution in a network.In data center network, tenant can obtain
The predictable bandwidth right to use, so can allow tenant recognize in the way of more transparent why the expense oneself paid has obtained
The service of sample.So can promote that tenant pays more expense and enjoys bigger bandwidth.
In the virtual network that SDN provides at present, general support carries out Limit Rate to single ip address, does not support tenant
Bandwidth in a network limits, and in the data center network realizing many tenants Fairshare, supports tenant's flow
Controlling, the particularly control to north-south flow is the demand that one of them is important and urgent.This method controls by using SDN
Device, it is provided that a brand-new solution realizes the tenant north-south Limit Rate in network.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that one be capable of IP many to tenant,
The distribution of multiple gateway bandwidth and control realize the system and method for tenant north-south Limit Rate based on SDN controller.
To achieve these goals, the present invention has a following composition:
Should realize the system of tenant north-south Limit Rate based on SDN controller, it is mainly characterized by, described system bag
Include SDN controller and virtual router agency, wherein:
Described SDN controller issues tenant's IP packet traffic policy distribution and acts on behalf of to virtual router, issues and does not go the same way
By to virtual router, use, with tenant's principle, north-south flow is guided different virtual router generations by route test
Reason；
Described virtual router agency carries out the message between virtual router and virtual network Border Gateway and forwards, real
Shi Tongji tenant's IP packet traffic, according to tenant's IP packet traffic policy control uninterrupted.
It is preferred that described SDN controller issues difference and routes to virtual router, it is specially described SND controller
According to tenant's IP packet traffic strategy, virtual router agency and tenant's virtual machine information, issued not by load-balancing algorithm
With being routed to virtual router.
It is preferred that described virtual router is acted on behalf of according to tenant's IP packet traffic policy control uninterrupted, particularly as follows:
The control plane of described virtual router agency receives tenant's IP packet traffic strategy, the number of described virtual router agency
According to Forwarding plane according to tenant's IP packet traffic policy update traffic policy forwarding logic, and according to traffic policy forwarding logic control
Uninterrupted processed.
The invention still further relates to the system described in a kind of basis realizes tenant north-south Limit Rate based on SDN controller
Method, it is mainly characterized by, and described method comprises the following steps:
(1) IP of tenant is grouped, and creates tenant's IP packet traffic strategy of correspondence；
(2) SDN controller issue tenant's IP packet traffic policy distribution to virtual router act on behalf of, issue difference and route to
Virtual router, uses, with tenant's principle, by route test, north-south flow is guided different virtual router agencies；
(3) virtual router agency carries out the message forwarding between virtual router and virtual network Border Gateway, in real time
Statistics tenant's IP packet traffic, according to tenant's IP packet traffic policy control uninterrupted.
It is preferred that before described step (1), further comprising the steps of:
(0) on the control node of virtual network, virtual router agency is created.
It is preferred that the described difference that issues routes to virtual router, use and with tenant's principle, north-south flow is passed through
Route test guides different virtual router agencies, comprises the following steps:
(2-1) SDN controller issues and routes to different virtual routers, is led to by north-south flow according to same tenant's principle
Cross route test and guide different virtual router agencies；
(2-2) message received is forwarded to Border Gateway by virtual router agency；
(2-3) SDN controller issues and routes to Border Gateway；
(2-4) packet of external network to virtual machine is forwarded to different virtual routers according to route by Border Gateway
Agency；
(2-5) virtual router agency is forwarded to virtual router according to routing iinformation.
It is preferred that after described step (3), further comprising the steps of:
(4) SDN server detect each virtual router agency the most normally work, if it is, continue step (3),
Otherwise continue step (5)；
(5) SDN controller re-issues and routes to virtual router, is directed to tenant north-south flow normally to work
Virtual router is acted on behalf of.
Have employed the system and method realizing tenant north-south Limit Rate based on SDN controller in this invention, have
Following beneficial effect:
(1) SDN controller is according to IP packet traffic strategy, virtual router agency and tenant's virtual machine information, by negative
Load equalization algorithm issues difference and is routed to virtual router, uses and is guided by route test by north-south flow with tenant's principle
Different virtual router agencies, virtual router agency typically has multiple, it is provided that high availability.SDN controller real time down
Up-to-date IP packet traffic strategy is acted on behalf of to virtual router, and real-time update route carries out north-south flow-control simultaneously；
(2) many tenants technology is as a platform technology, has been widely used for novel cloud computation data center so that big
The tenant of amount can share the soft and hardware resource of same storehouse, and each tenant can on-demand use resource, it is possible to software service
Carry out customization configuration, and do not affect the use of other tenants；Said method, at existing SDN controller software system virtualization
Under the network architecture, achieving tenant north-south Limit Rate function based on SDN controller, the method realizes simple, it is easy to dispose,
Solve how data center realizes the difficult point of tenant's bandwidth distribution in a network；Meanwhile, the method provides guarantor to bandwidth
Card, guarantees lowest-bandwidth, it is ensured that the network service quality of each tenant flow congestion when.
Accompanying drawing explanation
Fig. 1 is the structure chart of the system realizing tenant north-south Limit Rate based on SDN controller of the present invention.
Fig. 2 is the flow chart of the method realizing tenant north-south Limit Rate based on SDN controller of the present invention.
Detailed description of the invention
In order to more clearly describe the technology contents of the present invention, carry out further below in conjunction with specific embodiment
Describe.
SDN controller software system comprises controller and virtual router set two parts.Virtual router passes through software
Mode is disposed in a network environment, they be responsible for by the passage between server-to-server by packet from a virtual machine
It is forwarded between another virtual machine.In virtual network, virtual machine accesses external network, edge by virtual network Border Gateway
Gateway is responsible for packet is converted in external network or virtual network the packet being capable of identify that.Border Gateway passes through
Valency route (Equal-Cost MultiPath) mode typically can create two or more examples provides service.Virtual router generation
Managing identical with virtual router functionality, dispose in a network environment with software mode, in virtual network, north-south flow is by virtual
Router agency is responsible for forwarding.
Whole solution is divided into three parts:
(1) strategy configures and issues
The responsible IP that is correlated with tenant is grouped, and creates the IP packet traffic strategy of correspondence.Strategy is by SDN controller
It is issued to all virtual router agent control plane, controls plane and policy information is processed by stream table, be handed down to data
Forwarding plane, data Forwarding plane updates forwarding logic.
(2) north-south flow-control
SDN controller is according to IP packet traffic strategy, virtual router agency and tenant's virtual machine information, by load all
Account FAXIA to send out difference and be routed to virtual router, use, with tenant's principle, north-south flow is guided difference by route test
Virtual router agency, virtual router agency typically have multiple, it is provided that high availability.SDN controller real time down is up-to-date
IP packet traffic strategy is acted on behalf of to virtual router, and real-time update route carries out north-south flow-control simultaneously.
(3) strategy execution and renewal
After virtual router proxy data Forwarding plane receives message, real-time statistics IP packet traffic, simultaneously according to flow
Strategy forwarding logic controls uninterrupted, it is achieved bandwidth is distributed.Virtual router agency is responsible for virtual router and Border Gateway
Between message forward.Virtual router acts on behalf of real-time update flow control policy, is controlled flow.
The present invention is based on it is assumed hereinafter that implement:
Data center uses SDN technology to realize virtual network, supports that network dynamic programming, the network address isolate and many
Tenant, each tenant on-demand use resource, it is possible to software service is carried out customization configuration.
Virtual router be deployed in calculating node on, be responsible for by the passage between server-to-server by packet from
One virtual machine is forwarded between another virtual machine.
Flow process describes:
(1) on the control node of virtual network, create virtual router agency, control node and be generally three, each
Control to create on node virtual router instance of agent.Agency is identical with virtual router functionality for virtual router, is all with soft
Part mode is disposed, and virtual router is generally deployed in every and calculates on node, and virtual router agency can be deployed to control joint
On point or separate nodes, can be learnt to route by agreement between virtual router and virtual router agency.
(2) outside network ip address is managed by manager, carries out IP packet according to tenant, arranges IP packet traffic control
System strategy.Administrator configurations is handed down to virtual router agency by SDN controller, and the renewal to manager simultaneously operates can be real
Time issue renewal instruction.
(3) SDN controller is routed to different virtual routers, according to same tenant's principle by tenant north-south by issuing
Flow carries out load balancing and guides different virtual router agencies, and the message received is forwarded to edge by virtual router agency
Gateway.Meanwhile, SDN controller will issue and be routed to Border Gateway, and external network is arrived virtual machine according to route by Border Gateway
Packet is forwarded to different virtual router agencies, and virtual router agency is forwarded to virtual router according to routing iinformation.
(4) virtual router agency can be according to the IP grouping information preserved and flow control policy pair when forwarding packet
Each data packet matched IP is grouped, statistical packet flow information, and carries out flow-control.Virtual router agency can be real-time
IP packet and flow control policy according to issuing adjust flow control function.
(5) SDN controller can detect virtual router Agent Status in real time, goes wrong virtual road when controlling node
By device factorage abnormal time, can automatically re-issue and be routed to virtual router, tenant north-south flow is re-directed to
Normal virtual router agency, does not affect customer service.
Have employed the system and method realizing tenant north-south Limit Rate based on SDN controller in this invention, have
Following beneficial effect:
(1) SDN controller is according to IP packet traffic strategy, virtual router agency and tenant's virtual machine information, by negative
Load equalization algorithm issues difference and is routed to virtual router, uses and is guided by route test by north-south flow with tenant's principle
Different virtual router agencies, virtual router agency typically has multiple, it is provided that high availability.SDN controller real time down
Up-to-date IP packet traffic strategy is acted on behalf of to virtual router, and real-time update route carries out north-south flow-control simultaneously；
(2) many tenants technology is as a platform technology, has been widely used for novel cloud computation data center so that big
The tenant of amount can share the soft and hardware resource of same storehouse, and each tenant can on-demand use resource, it is possible to software service
Carry out customization configuration, and do not affect the use of other tenants；Said method, at existing SDN controller software system virtualization
Under the network architecture, achieving tenant north-south Limit Rate function based on SDN controller, the method realizes simple, it is easy to dispose,
Solve how data center realizes the difficult point of tenant's bandwidth distribution in a network；Meanwhile, the method provides guarantor to bandwidth
Card, guarantees lowest-bandwidth, it is ensured that the network service quality of each tenant flow congestion when.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that still may be made that
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings is considered as illustrative
And it is nonrestrictive.
Claims (7)
1. the system realizing tenant north-south Limit Rate based on SDN controller, it is characterised in that described system includes
SDN controller and virtual router agency, wherein:
Described SDN controller issues tenant's IP packet traffic policy distribution and acts on behalf of to virtual router, issues difference and routes to
Virtual router, uses, with tenant's principle, by route test, north-south flow is guided different virtual router agencies；
Described virtual router agency carries out the message between virtual router and virtual network Border Gateway and forwards, and unites in real time
Meter tenant's IP packet traffic, according to tenant's IP packet traffic policy control uninterrupted.
The system realizing tenant north-south Limit Rate based on SDN controller the most according to claim 1, its feature exists
In, described SDN controller issues difference and routes to virtual router, is specially described SND controller and divides according to tenant IP
Group traffic policy, virtual router agency and tenant's virtual machine information, issue difference by load-balancing algorithm and be routed to virtual
Router.
The system realizing tenant north-south Limit Rate based on SDN controller the most according to claim 1, its feature exists
In, described virtual router is acted on behalf of according to tenant's IP packet traffic policy control uninterrupted, particularly as follows: described virtual road
The control plane acted on behalf of by device receives tenant's IP packet traffic strategy, the data Forwarding plane root of described virtual router agency
According to tenant's IP packet traffic policy update traffic policy forwarding logic, and control uninterrupted according to traffic policy forwarding logic.
4. the method realizing tenant north-south Limit Rate based on SDN controller of system according to claim 1,
It is characterized in that, described method comprises the following steps:
(1) IP of tenant is grouped, and creates tenant's IP packet traffic strategy of correspondence；
(2) SDN controller issue tenant's IP packet traffic policy distribution to virtual router act on behalf of, issue difference and route to virtual
Router, uses, with tenant's principle, by route test, north-south flow is guided different virtual router agencies；
(3) virtual router agency carries out the message forwarding between virtual router and virtual network Border Gateway, real-time statistics
Tenant's IP packet traffic, according to tenant's IP packet traffic policy control uninterrupted.
The method realizing tenant north-south Limit Rate based on SDN controller the most according to claim 4, its feature exists
In, before described step (1), further comprising the steps of:
(0) on the control node of virtual network, virtual router agency is created.
The method realizing tenant north-south Limit Rate based on SDN controller the most according to claim 4, its feature exists
In, the described difference that issues routes to virtual router, uses and is guided by route test by north-south flow with tenant's principle
Different virtual router agencies, comprises the following steps:
(2-1) SDN controller issues and routes to different virtual routers, according to same tenant's principle, north-south flow is passed through road
The virtual router agency different by controlling guiding；
(2-2) message received is forwarded to Border Gateway by virtual router agency；
(2-3) SDN controller issues and routes to Border Gateway；
(2-4) packet of external network to virtual machine is forwarded to different virtual router generations according to route by Border Gateway
Reason；
(2-5) virtual router agency is forwarded to virtual router according to routing iinformation.
The method realizing tenant north-south Limit Rate based on SDN controller the most according to claim 4, its feature exists
In, after described step (3), further comprising the steps of:
(4) SDN server detect each virtual router agency the most normally work, if it is, continue step (3), otherwise
Continue step (5)；
(5) SDN controller re-issues and routes to virtual router, and be directed to tenant north-south flow normally to work is virtual
Router is acted on behalf of.
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| CN106850304A (en) * | 2017-02-15 | 2017-06-13 | 郑州云海信息技术有限公司 | A kind of gateway group method and system based on SDN frameworks |
| CN108418713A (en) * | 2018-02-24 | 2018-08-17 | 北京百悟科技有限公司 | The device and method of VPN is provided |
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| CN112333112A (en) * | 2020-10-27 | 2021-02-05 | 华云数据控股集团有限公司 | Method and system for realizing shared bandwidth |
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| CN115348208A (en) * | 2021-04-27 | 2022-11-15 | 中移(苏州)软件技术有限公司 | Flow control method and device, electronic equipment and storage medium |
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| CN113645081A (en) * | 2021-08-17 | 2021-11-12 | 浪潮思科网络科技有限公司 | Method, device and medium for realizing multiple exits of tenant network in cloud network environment |
| CN113645081B (en) * | 2021-08-17 | 2024-03-29 | 浪潮思科网络科技有限公司 | Method, equipment and medium for realizing multi-outlet of tenant network in cloud network environment |
| CN114679412A (en) * | 2022-04-19 | 2022-06-28 | 浪潮卓数大数据产业发展有限公司 | Method, device, equipment and medium for forwarding traffic to service node |
| CN114679412B (en) * | 2022-04-19 | 2024-05-14 | 浪潮卓数大数据产业发展有限公司 | Method, device, equipment and medium for forwarding traffic to service node |
| CN114827015A (en) * | 2022-04-29 | 2022-07-29 | 深圳爱捷云科技有限公司 | Data forwarding method and virtualization cloud network architecture |
| CN114827015B (en) * | 2022-04-29 | 2024-04-02 | 深圳爱捷云科技有限公司 | Data forwarding method and virtualized cloud network architecture |
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