CN103955373B - A kind of method for designing of SDN application integration development environment - Google Patents
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Abstract
SDN application integration development environment frameworks are divided into three parts by a kind of method for designing of SDN application integration development environment of the present invention, the present invention：Graphical interface of user, core simulation layer, basic resource service layer；Resource information is submitted to core simulation layer by basic resource service layer, core simulation layer sets up virtual network environment according to the resource information submitted to, the SDN application programs that compiling passes through may be selected to be emulated in virtual network environment, and execution is switched in the true execution operation for calling basic resource after passing through.User of the invention can be emulated in core simulation layer, after obtaining satisfactory result, then be switched in real network and tested and disposed, and core simulation layer is equivalent to simulator；The prospect that can be standardized causes that the present invention has broad application prospects and extensive practical effect prospect.
Description
Technical field
The invention belongs to the communications field, and in particular to a kind of method for designing of SDN application integration development environment.
Background technology
With increasing for user, the popularization of internet, user's request changes, and business demand is more and more to complicate,
Legacy network architectural framework can not increasingly meet the demand of user and business.Traditional Internet architecture is extremely complex, mainly
It is embodied in be made up of special interchanger, router, terminal device and other complex devices, and these network equipments are all
Produced by different manufacturers, there is each specific interface, run various distributed protocols.In this environment,
Management, exploitation, innovation for network are all very difficult.For researcher, they can not easily and timely verify him
New technology；For Virtual network operator, it is difficult to customize according to demand and optimize network；For equipment supplier, it is impossible in time
Innovation is made to meet the demand of user；For user, their demand cannot meet in time and well.
2010, ONF (Open Networking Foundation, open network foundation) proposed SDN
The concept of (Software Defined Networks, software defined network), SDN is exactly in itself to put down network-based control
Face and Forwarding plane are isolated, and the whole network is controlled in the way of centralization controller, can be compiled so as to set up an opening
Internet resources are entered Mobile state management by the network of journey by way of software definition, and on this basis, user can be according to oneself
Demand, various data forwarding networks are built by programming, and in the new application of network design oneself, to meet
The demand of itself, SDN provides good platform for the innovation of core network and its application.
But even to this day, how to realize that a more comprehensive software defined network Luoque is still a controversial class
Topic, so this paper presents the concept of SDN application integration development environments, and the concept is studied and designed.Nowadays net
Network scale is so huge, and physical network debugging test SDN application costs are too big, so necessary design SDN application integration is opened
Hair ring border, SDN is applied and debugged in simulated environment, obtains satisfied result.SDN application integration development environment is developer
Exploitation SDN enables developers to more easily development and application program using a programming development environment is provided.We are integrated
Development environment devises core simulation layer, is the core of whole SDN application integration development environment, while being also that a cloud computing is imitated
True platform, for SDN applications provide virtual simulation environment, core simulation layer is subdivided into three parts again：Simulation engine, simulation layer
With personal code work layer, the typical structure of design drawing is as shown in Figure 1.There are SDN IDEs and basic resource service layer, open
Originator can more easily carry out the exploitation and test of SDN application programs, thus have more developers and be added to SDN
Research, promote SDN development.
The content of the invention
The present invention is in view of the shortcomings of the prior art, it is proposed that a kind of method for designing of SDN application integration development environment.
A kind of method for designing for SDN application integration development environments, comprises the following steps：
Step one：SDN application integration development environment frameworks are divided into three parts：Graphical interface of user, core simulation layer,
Basic resource service layer；
Step 2：Resource information is submitted to core simulation layer by basic resource service layer, and core simulation layer is according to submission
Resource information sets up virtual network environment, and the SDN application programs that compiling passes through may be selected to be emulated in virtual network environment,
Execution is switched in the true execution operation for calling basic resource after passing through.
Described basic resource service layer provides support for whole simulated environment, obtains internal memory, storage, the network equipment and meter
Calculate basic resource, and these Resource Fusions are got up and carry out it is integrated as single resource submit to core simulation layer with
Create network and experiment：The major function of basic resource service layer is to allow user to be obtained by having perfect network Basis of Computer Engineering facility
Must service, create and manage network, the network of establishment is possessed more preferable scalability；While the number in basic resource service layer
The dynamic and static information of all physical machines, virtual machine, storage and network foundation resource in resource pool are preserved according to library component, should
Information is submitted to upper strata by timing acquisition, renewal, and can by calculation server, scheduler, volume controller, network, queue and
Control panel shares correlation behavior, and corresponding Business Processing is completed based on different status informations；Other developer is obtained by API
Computing resource needed for SDN application programs must be built, keeper and user access computing resource by web interface.
Core simulation layer, is made up of personal code work layer, simulation layer and simulation engine, self-sustaining to graphical interface of user one
The platform of data center, proxy server, scheduling and distribution measurement is supported, the basic resource from basic resource service layer is built
Mould and emulation, give virtualization engine；Simulation layer based on cloud computing virtual data center environment to providing modeling and simulation, bag
It is Virtual Machine Manager special purpose interface to include, internal memory, is stored and bandwidth, and layer master problem to be processed includes：Virtual machine is assigned to master
The scheduling of machine, the execution of management program and the dynamical state of detecting system, described personal code work layer then disclose primary entity to
Main frame, including host entity, application program, virtual machine, number of users and its application type, and scheduling agent strategy.
Graphical interface of user has provided the user a visual operation interface, there is provided the volume of SDN application software codes
Collect, compile, link and perform；
The API that basic resource service layer, the corresponding software of core simulation layer are provided is called accordingly, finally will be each
Individual function is corresponded in corresponding button；
Described that task is assigned into core simulation layer when graphical interface of user has task, core simulation layer is then called
The resource of basic resource service layer, is collected, and required information then is uploaded into upper strata：Basic resource service layer obtains first
Internal memory, storage, the network equipment and computing resource information in network are taken, and these resource informations are obtained in real time, are put into buffer area,
Periodically it is updated, when upper core simulation layer needs the resource information, can be by calling the API of basic resource service layer
Obtain corresponding resource information；Core simulation layer is emulated according to these resources, including data center, network topology, structure
And distribution VM, Dynamic workload, consumption of data center and establishment solid modelling；When user or developer are in graphical interface of user
During work, i.e., after completion code editor, action is compiled, links and performs, by calling the interface of lower floor's core simulation layer,
The data for being needed；By the cooperation between each layer, the task that graphical interfaces layer is assigned is completed.
The present invention solves currently to lack a kind of major issue of ready-made SDN IDE softwares, i.e., there is provided one
Individual unified SDN IDEs, facilitate the research of user and developer.Other SDN application integration are yet there are no to open
The appearance of environmental level is sent out, the present invention is that the SDN application integration ready-made for user and developer provide of currently the only a set of energy is opened
Hair environmental level, remarkable advantage of the present invention has：User can be emulated in core simulation layer, after obtaining satisfactory result, then be cut
Change in real network and tested and disposed, core simulation layer is equivalent to simulator；The prospect that can be standardized is so that this hair
It is bright to have broad application prospects and extensive practical effect prospect.
Brief description of the drawings
Fig. 1 is the schematic diagram of SDN Application development environ-ment frameworks；
Fig. 2 is the SDN block schematic illustrations based on cloud computing；
Fig. 3 is the software architecture schematic diagram of SDN core simulation layers；
Fig. 4 is the schematic diagram of graphical interface of user architecture.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
As shown in figure 1, SDN application integration development environment frameworks design general frame by layered mode, then subdivide
Per Rotating fields, by the contact between at all levels, the transmission of common cooperation completion information.
Comprise the following steps：
Step 1:SDN application integration development environment frameworks are divided into three parts：Graphical interface of user, core simulation layer,
Basic resource service layer；
Basic resource service layer provides support for whole simulated environment, obtains internal memory, storage, the network equipment and calculates basis
Resource, and these Resource Fusions are got up and carries out integrated submitting to core simulation layer to create net as a single resource
Network and experiment；
Core simulation layer, is made up of personal code work layer, simulation layer and simulation engine, and one is provided certainly to graphical interface of user
The platform that the support data center of foot, proxy server, scheduling and distribution are measured, the basic resource from basic resource service layer is entered
Row modeling and simulation, gives virtualization engine；
Graphical interface of user has provided the user a visual operation interface, there is provided the volume of SDN application software codes
Collect, compile, link and perform；
Step 2：Resource information is submitted to core simulation layer by basic resource service layer, and core simulation layer is according to the money submitted to
Source information sets up virtual network environment, and the SDN application programs that compiling passes through may be selected to be emulated in virtual network environment, obtain
It is switched to after to satisfactory result in the true execution operation for calling basic resource.
Described is divided into three parts by by SDN application integration development environment frameworks, is respectively graphical interface of user, core
Heart simulation layer and basic resource service layer：Design SDN application integration development environment frameworks, by SDN application integration development environment framves
Structure is integrally divided into three layers；Basic resource service layer provides support for whole simulated environment, for development environment provide internal memory, storage,
The resource such as the network equipment and calculating；Selective analysis core simulation layer, it is the core of whole SDN application integration development environment,
It is a kind of cloud computing emulation platform, and core simulation layer is refined into simulation engine layer, simulation layer and personal code work layer；User circle
Face figure provides a visual operation interface for developer and user.
Described basic resource service layer provides support for whole simulated environment, obtains internal memory, storage, the network equipment and meter
Calculate basic resource, and these Resource Fusions are got up and carry out it is integrated as single resource submit to core simulation layer with
Create network and experiment：The major function of basic resource service layer is to allow user to be obtained by having perfect network Basis of Computer Engineering facility
Must service, it can more easily control create and manage network, the network of establishment can also be made to possess more preferable scalability.Simultaneously
Database component in basic resource service layer preserves all physical machines, virtual machine, storage and network foundation resource in resource pool
Dynamic and static information, the information is submitted to upper strata by timing acquisition, renewal, and can share phase by each functional unit
Off status, corresponding Business Processing is completed based on different status informations.
The services package of basic resource service layer contains：The service of calculating, storage service, virtual network service, control panel service
And mirroring service.Calculating service can be disposed in virtual environment by hypervisor.It is right that basic resource service layer supports
As storage and block storage：Object storage provides a distributed storage platform, there is provided API supplies outside access, can be with
Backup, retention data and archives；Block is stored as expansible storage and provides open and link calculated examples block devices.Virtual net
Network service provides virtual network function：Flexible network model is provided, network management IP address, user can arbitrarily create net
Network, control flow, pluggable rear end framework define network technology using OpenFlow, and network can add other networks
Service.Control panel function includes：User and keeper can control resource, there is provided the overall situation of whole network scale and state is regarded
Figure, is assigned to the service that user's tool has certain limitations.Mirroring service is then for disk and server provide lookup, registration and deployment clothes
Business, there is provided mirror-image copies, snapshot and quick storage function.
As shown in figure 3, the research and design, described core of a kind of SDN application integration development environment described in step 1
Simulation layer is further included：Personal code work layer, simulation layer and simulation engine layer.Wherein, SDN cores simulation engine can support core
Function such as event queue and treatment, the establishment (service, main frame, data center, proxy server and virtual machine) of cloud system entity, component
Between message transmission, the management of simulation clock；Simulation layer to based on cloud computing virtual data center environment provide modeling and simulation,
Including being Virtual Machine Manager special purpose interface, internal memory, storage and bandwidth, layer master problem to be processed includes：Virtual machine is assigned to
The scheduling of main frame, the execution of management program and the dynamical state of detecting system；Personal code work layer then discloses primary entity to main frame,
Including host entity, application program, virtual machine, number of users and its application type, and scheduling agent strategy；By extending
This layer of given primary entity, cloud application developer can perform following activity：(1) a request distribution, application configuration are generated
Hybrid working load (2) simulation cloud availability scene and perform based on custom-configure robustness test (3) realize cloud
Self-defined application provide technology.
On core simulation layer, the service of main analog includes：Analogue data center, network topology, structure and distribution VM,
Dynamic workload, consumption of data center and establishment entity etc..Data centre entity thereof manages many host entities, according to cloud service
The virtual assigned strategy of provider's definition, these host assignments give one or more virtual machine.According to host assignment strategy come
Distribution core processor therefore, it can distribute specific CPU to specific VMs to VMs, and CPU is dynamically distributed between VMs.
In view of the Internet between mysorethorn body in core simulation layer is based on abstract concept network, unactual available conduct
Artificial network entity, so being replaced with the network delay of message.Cloud computing includes extra one layer i.e. virtual level, it is possible to can go out
Existing several VMs requirements are instantiated on main frame, cause VMs to need shared system bus and processor, in order to avoid such case
Generation, build and the strategy of distribution VM be supply that core simulation layer supports two level VM, i.e. host layer and VM layer, and
In each layer, all realize that the time is shared and space is shared.In order to realize Dynamic workload, a series of is done to existing framework
Extension, particularly devise additional artificial physical in core simulation layer, be referred to as simulation model, there is provided define resource and
The function and variable of VM demands.Utility models can realize the establishment to work load model with simulation application resource requirement.Pin
To consumption of data center problem, the model of checking skill is mainly provided by core simulation layer to solve.
Described graphical interface of user provides a visual operation interface for developer and user, software code
Editor, compiling, link and execution can be realized in the layer：Designing user graphical interfaces first, comprising basic necessary function, so
The API that basic resource service layer, the corresponding software of core simulation layer are provided is called accordingly afterwards, finally by each function
In corresponding to corresponding button.Graphical interfaces provides workbench for User Exploitation, makes exploitation more convenient, still further provides
Edit, check, compile and run the custom plug-in of JAVA codes, and special developing plug instrument.
A support for kernel, i.e. run time kernel (Runtime) are first looked for, it is in the bottom of architectural framework,
Infrastructure when being other instruments and plug-in component operation.Secondly, IDE graphical interfaces is analyzed.Set according to graphical interfaces
Meter, is mainly divided into 8 parts：Be respectively menu, Facility Column, rapid view, Package Explorer views, editor regard
Figure, shortcut Facility Column, Outline views, task view and control view, these views form SDN application integration and open
The appearance graphic interface in hair ring border.Finally, IDE class libraries is analyzed, and these classes is embedded into SDN application integration and opened
In hair ring border, the control section of IDE is formed.
As shown in figure 4, it is described when graphical interface of user has task, task is assigned to core simulation layer, core is imitated
True layer then calls the resource of basic resource service layer, is collected, and required information then is uploaded into upper strata：Basis provides first
Source service layer obtains internal memory, storage, the network equipment and computing resource information in network, and these resource informations are obtained in real time,
Buffer area is put into, is periodically updated, when upper core simulation layer needs the resource information, can be by calling basic resource
The API of service layer obtains corresponding resource information；Core simulation layer is emulated according to these resources, including data center, net
Network topology, structure and distribution VM, Dynamic workload, consumption of data center and establishment solid modelling；When user or developer exist
When graphical interface of user works, i.e., after completion code editor, action is compiled, links and performs, by calling lower floor's core
The interface of simulation layer, the data for being needed.By the cooperation between each layer, the task that graphical interfaces layer is assigned is completed.
As shown in Fig. 2 being the SDN block schematic illustrations based on cloud computing of the invention, the three layers of service mould based on cloud computing
Type, set forth herein a kind of SDN frameworks based on cloud computing.In the key-course of SDN, we provide the user IaaS (infrastructure
Service), in application layer, provide the user PaaS (platform is serviced).SDN basic resources service layer, provides the user IaaS
Service.In key-course, the software of server service, storage and correlation is provided the user in the form of services.User passes through cloud
Computing technique remote access is calculated, the function such as storage and virtualization.In application layer, it is proposed that SDN application integration exploitation ring
The concept in border, provides the user PaaS services.In application layer, program development is provided the user in the form of services flat with deployment
Platform.By a complete calculating platform, including application design, application and development, all user is supplied to as service using test.
The present embodiment makes SDN application integration development environment first by JAVA language and puts down according to the method described in the present invention
The graphical development interface of platform.Then CloudSim, minimet and openstack etc. are integrated into the platform, realize correlation
Function, such as cloud task to virtual machine binding strategy design with test, support based on auction service mechanism, provide after cloud net
The visual Simulation of network environment and read the network topology of BRITE forms and visualize presentation etc..
Here is to implement step to this example：
Step a：The physical machine of 3 is chosen, 9 virtual machines are set.The configuration CPU of wherein physical machine is 2400*4MIPS,
10GB is saved as in physical machine, with a width of 1Tbps, hard disk is 1TB, and VM scheduling strategies select time sharing policy.Virtual machine
CPU is configured with for 1000*1MIPS, 2GB is saved as in virtual machine, bandwidth is 1Gbps, and mirror image is 10GB, and task scheduling strategy is adopted
Space sharing policy is used, the type of VMM is Xen types.CPU is monokaryon in task configuration, length 17000 to 82000MI it
Between, input size is 350bytes, and output size is 300bytes, and binding strategy is then simple binding or greed binding, number
Amount is scheduled on 15 or so.
Step b：Prepare the installation environment of the platform, that is, JRE environment is installed, download, decompress CloudSim bags, configuration
Classpath, installs CloudSim.Then CloudSimHome is set.Treat after the completion of environment configurations, start the main journeys of Eclipse
Sequence, creates an engineering.After the completion for the treatment of that engineering is created, the configuration interface of Java engineerings, including source code are shown, choose wherein one
The source code of individual example, runs the source code.
Step c：Create emulation.First, initialization CloudSim storehouses.Secondly, data center is created, comprising four steps,
Step is as follows：
1. step creates processing unit Pe and sets provisioning policy；
2. step creates physical host, sets host id number, internal memory, bandwidth and provisioning policy, hard-disc storage, Pe lists,
The scheduling strategy of sharing CPU between virtual machine in main frame, the list comprising multiple main frames is then created；
3. step creates data center's feature object, sets instruction architecture, OS Type, VMM types, main frame row
Table, time zone and unit cost parameter, wherein unit cost parameter include processor cost, internal memory cost, carrying cost and band again
Cost wide；
4. step creates data center, sets data center's title, the distribution plan of Host List and virtual machine to physical machine
Slightly, SAN network storage list, scheduling interval.
Then, proxy server is created, its title is set.5th step is to create virtual machine, sets virtual machine ID, MIPS (treatment
Ability), mirror image size, internal memory, bandwidth, CPU core number and VMM types, create virtual machine list, submit to proxy server.6th step
It is to create cloud task, task ID number, task length, cloud task input file size and cloud task output file size is set, adjusts
The number requirement of section CPU core, sets the Land use models to resource.Finally, appointed task to the allocation strategy of virtual machine is only needed, is started imitative
Very.
Step d：Terminate emulation, export and statistics, this is several to time-consuming, CPU, internal memory, bandwidth usage and rate of change
Individual parameter is compared.
Step e：The experiment is repeated, multigroup result is obtained.After being run succeeded in simulation software, moved back from simulated environment
Go out, into true environment, the work before repeating.
Although depicting the present invention by embodiment, it will be appreciated by the skilled addressee that the present invention have it is many deformation and
Change is without deviating from spirit of the invention, it is desirable to which appended claim includes these deformations and changes without deviating from of the invention
Spirit.
Claims (4)
1. a kind of method for designing of SDN application integration development environment, it is characterised in that comprise the following steps：
Step one：SDN application integration development environment frameworks are divided into three parts：Graphical interface of user, core simulation layer, basis
Resource service layer；
Basic resource service layer provides support for whole simulated environment, obtains internal memory, storage, the network equipment and calculates basis money
Source, and these Resource Fusions are got up and carries out integrated submitting to core simulation layer to create network as a single resource
And experiment；
Core simulation layer, is made up of personal code work layer, simulation layer and simulation engine, to graphical interface of user provide one it is self-sustaining
The platform of data center, proxy server, scheduling and distribution measurement is supported, the basic resource from basic resource service layer is built
Mould and emulation, give virtualization engine；Simulation layer based on cloud computing virtual data center environment to providing modeling and simulation, bag
It is Virtual Machine Manager special purpose interface to include, internal memory, is stored and bandwidth, and the problem of this layer treatment includes：Virtual machine is assigned to main frame
Scheduling, the execution of management program and the dynamical state of detecting system；Personal code work layer then discloses host entity, application program, void
Plan machine, number of users, the type of VMM and OS Type, and scheduling agent strategy is to main frame；
Step 2：Resource information is submitted to core simulation layer by basic resource service layer, and core simulation layer is according to the resource submitted to
Information sets up virtual network environment, and the SDN application programs that compiling passes through may be selected to be emulated in virtual network environment, perform
It is switched to after in the true execution operation for calling basic resource.
2. the method for designing of a kind of SDN application integration development environment according to claim 1, it is characterised in that：Described
Basic resource service layer provides support for whole simulated environment, obtains internal memory, storage, the network equipment and calculates basic resource, and
These Resource Fusions are got up and are carried out integrated to submit to core simulation layer to create network and reality as a single resource
Test：The function of basic resource service layer includes allowing user service by having perfect network Basis of Computer Engineering facility, create with
Management network, makes the network of establishment possess more preferable scalability；The database component in basic resource service layer is preserved simultaneously
The dynamic and static information of all physical machines, virtual machine, storage and network foundation resource in resource pool, the information is by timing
Obtain, renewal is submitted to upper strata, and can be shared by calculation server, scheduler, volume controller, network, queue and control panel
Correlation behavior, corresponding Business Processing is completed based on different status informations；Other developer obtains structure SDN by API should
With the computing resource needed for program, keeper and user access computing resource by web interface.
3. the method for designing of a kind of SDN application integration development environment according to claim 1, it is characterised in that：User schemes
Shape interface has provided the user a visual operation interface, there is provided the editor of SDN application software codes, compiling, link and
Perform；
The API that basic resource service layer, the corresponding software of core simulation layer are provided is called accordingly, finally by each work(
In corresponding to corresponding button.
4. the method for designing of a kind of SDN application integration development environment according to claim 1, it is characterised in that when user's figure
When there is task at shape interface, task is assigned to core simulation layer, core simulation layer then calls the resource of basic resource service layer, enters
Row collects, and required information then is uploaded into upper strata：Basic resource service layer obtains internal memory, storage, network in network first
Equipment and computing resource information, and these resource informations obtain in real time, are put into buffer area, are periodically updated, once upper strata
When core simulation layer needs the resource information, corresponding resource information can be obtained by calling the API of basic resource service layer；Core
Heart simulation layer is emulated according to these resources, including data center, network topology, structure and distribution VM, dynamic duty bear
Load, consumption of data center and establishment solid modelling；When user or developer work in graphical interface of user, i.e., completion code is compiled
After volume, action is compiled, links and performs, by calling the interface of lower floor's core simulation layer, the data for being needed；Pass through
Cooperation between each layer, completes the task that graphical interfaces layer is assigned.
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| CN108092804B (en) * | 2017-12-08 | 2021-07-30 | 国网安徽省电力有限公司信息通信分公司 | Q-learning-based power communication network utility maximization resource allocation strategy generation method |
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