CN110493062A - A kind of emulation platform of the power telecom network based on Mininet - Google Patents
A kind of emulation platform of the power telecom network based on Mininet Download PDFInfo
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- CN110493062A CN110493062A CN201910813882.6A CN201910813882A CN110493062A CN 110493062 A CN110493062 A CN 110493062A CN 201910813882 A CN201910813882 A CN 201910813882A CN 110493062 A CN110493062 A CN 110493062A
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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
- H04L41/12—Discovery or management of network topologies
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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
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
- H04L43/045—Processing captured monitoring data, e.g. for logfile generation for graphical visualisation of monitoring data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/06—Generation of reports
- H04L43/067—Generation of reports using time frame reporting
Abstract
The invention discloses a kind of emulation platforms of power telecom network based on Mininet, are applied to server end, and the server includes checking module, processing module, memory module and Mininet module;Check module, the information inspection for receiving client is requested, and instruction processing module carries out acquisition of information and returns to client;Or the request of client modification topology is received, and indicate that processing module carries out topological modification, return to the prompt information of client topological modification completion;Processing module, for according to the instruction progress acquisition of information or topological modification for checking module;Memory module, for the file of memory topology mapping relations, including node number, connection relation between nodes, nodal information;Mininet module, for the document creation Mininet virtual emulation power telecom network according to Topological Mapping relationship.It can be realized using the present invention and analog simulation carried out to power telecom network.
Description
Technical field
The present invention relates to network technique field, in particular to the emulation platform of a kind of power telecom network based on Mininet.
Background technique
The power telecom network component part important as electric system is power network schedule automation, the power grid operation marketization
With the basis of administration of power networks informationization, it is to ensure that power grid security, stabilization, the important means of economical operation.However in conventional architectures
Power telecom network, according to business demand deployment it is online after, if business demand changes, remodify corresponding network and set
Standby upper configuration is a very cumbersome thing.Secondly be often inconvenient to carry out in real power communication network related real
It tests, power communication related work person is difficult to dispose new business will generate that kind of influence has to communication network in the power communication network
Preferable estimation.
Existing power telecom network analogue system type is a lot of, but most of analogue systems there are specific aims not strong, user
It is difficult to the problems such as testing and lack visualization, it is difficult to meet the experiment demand of power communication related work person.
Summary of the invention
In view of this, goal of the invention of the invention is: can be realized and carry out analog simulation to power telecom network.
In order to achieve the above objectives, technical solution of the present invention is specifically achieved in that
The invention discloses a kind of emulation platforms of power telecom network based on Mininet, are applied to server end, described
Server includes checking module, processing module, memory module and Mininet module;
Check module, the information inspection for receiving client is requested, and instruction processing module carries out acquisition of information and returns
To client;Or the request of client modification topology is received, and indicate that processing module carries out topological modification, return to client
The prompt information that topological modification is completed;
Processing module, for according to the instruction progress acquisition of information or topological modification for checking module;
Memory module, for the file of memory topology mapping relations, including node number, connection relation between nodes, node
Information;
Mininet module, for the document creation Mininet virtual emulation power telecom network according to Topological Mapping relationship.
As seen from the above technical solutions, the present invention proposes a kind of emulation platform of power telecom network based on Mininet,
The platform builds the Mininet network topology of power telecom network by Mininet, the real power communication net topology mapped it
And its node carries out analog simulation, so that power communication related work person in the power communication network will be right to new business deployment
What kind of communication network, which generates, influences have preferable estimation.
Detailed description of the invention
Fig. 1 is that the present invention is based on the simulation platform structure schematic diagrames of the power telecom network of Mininet.
Fig. 2 is OVSSwitch interchanger model schematic in Mininet.
Fig. 3 is the inheritance schematic diagram of Host class in Mininet.
Fig. 4 is the attribute schematic diagram of Link model in Mininet.
Fig. 5 is the attribute schematic diagram of Link model in Mininet.
Portion when Fig. 6 is Mininet virtual emulation power telecom network of the present invention and actual physical device progress associative simulation
Affix one's name to schematic diagram.
Specific embodiment
For the purpose of the present invention, technical solution and advantage is more clearly understood, hereinafter, referring to the drawings and the embodiments,
The present invention is described in more detail.
Embodiment one
The present invention provides a kind of emulation platform of power telecom network based on Mininet, can effectively help power telecom network
Related work person carries out relevant communication system of power grids emulation experiment, and obtains real-time visual simulating result.The platform passes through
Mininet builds the Mininet network topology of power telecom network, associate power that it is mapped communication net topology and its node into
Row analog simulation, and the visualization interface that current real time simulation results upload to platform is shown in real time, and user
It can also complete corresponding power telecom network by carrying out relevant test and operation on the visualization interface of the platform and test.
The present invention proposes a kind of emulation platform of power telecom network based on Mininet, is applied to server end, and structure is shown
It is intended to as shown in Figure 1, the server includes checking module 101, processing module 102, memory module 103 and Mininet module
104.Module 101 to 104 is arranged from top to down, and Mininet module 104 is located at bottommost, it makes one using virtualization technology
Single system looks like a complete network, can run kernel, system and personal code work, can also simply be interpreted as
One of SDN network system is based on process virtual platform, it supports the various agreements such as Openflow, OpenSwitch.One
The same true machine of the behavior of the host of a Mininet is very similar, it can be logged on to SSH and runs any journey
Sequence., check module 101, the information inspection for receiving client is requested, and instruction processing module carries out acquisition of information and returns to
Client;Or the request of client modification topology is received, and indicate that processing module carries out topological modification, it returns to client and opens up
Flutter the prompt information that modification is completed.
Wherein, module 101 is checked by top layer, and the system client interface of correspondence system framework is main to realize user couple
The interface of system operatio.Described to check that module specifically includes: topology checks that submodule 1011, node check submodule 1012 and system
Meter checks submodule 1013.
Topology checks submodule 1011, and the Topology display for receiving client is requested, and indicates that topological acquisition submodule obtains
The Topological Mapping relationship for taking storage creates corresponding topological network according to the Topological Mapping relationship of storage by topology creation submodule,
Return to client;
Node checks submodule 1012, and the node for receiving client shows request, indicates that topological acquisition submodule obtains
After obtaining Mininet virtual emulation power communication network node information and node resources information, client is returned to;
Wherein, when nodal information refers to that for example node is transformer, the information such as voltage value current value of transformer.Section
When point resource information refers to that for example node is host, the information such as usage amount of host CPU are as resource information.
Statistics checks submodule 1013, and the statistics for receiving client shows request, and instruction statistics acquisition submodule obtains
After obtaining Mininet virtual emulation power telecom network traffic statistics, client is returned to.Client real-time display is currently each
Each period total flow size in uninterrupted and every route in route.
Processing module 102, for according to the instruction progress acquisition of information or topological modification for checking module.
Wherein, the processing module 102 specifically includes:
Topology creation submodule 1021, for creating corresponding topological network according to the Topological Mapping relationship of storage;
Topological acquisition submodule 1022, for obtaining the Topological Mapping relationship stored and nodal information and node resource
Information;
Topological modification submodule 1023 for network topology interior joint or link to be increased or deleted, and refers to
Show network topology storage submodule by the storage of modified network topology into memory module;
Network topology storage submodule 1024, for executing the operation of storage network topology;
Acquisition submodule 1025 is counted, obtains network traffic information for counting.
Memory module 103, for the file of memory topology mapping relations, including node number, connection relation between nodes, section
Point information.
Wherein, memory module 103, it is main realize system to data can persistence.
Mininet module 104, for the document creation Mininet virtual emulation power communication according to Topological Mapping relationship
Net.
Wherein, communication component model used by Mininet virtual emulation power telecom network can have following example:
A, interchanger model
Interchanger model in communication network is using the OVSSwitch model in Mininet, as shown in Fig. 2, Fig. 1 is
OVSSwitch interchanger model schematic in Mininet.Two network interfaces eth0 and eth1 of OVSSwitch interchanger connect respectively
Meet two hosts host1 and host2.Although OVS is a virtual switch, it possesses the function of physical switches, generally
It is designed in LINUX kernel.Inside physical switches, data flow is from the data packet of network interface card, by parsing layer by layer,
Finally reach client layer.And data flow from the data packet of network interface card needs to initially set up a bridge in virtual switch,
Then bridge and network card binding are got up.So data packet from eth0 come out after, entered in OpenvSwitch by vPort, so
Flow table matching is carried out according to key assignments afterwards to be handled if successful match according to action corresponding to flow table.
B, router-modelle
Router in communication network is replaced in Mininet using Switch model, and cooperation ONOS controller issues flow table
Realize the route forwarding function of router, router-modelle in systems is mainly made of following five part: process, interior
Core, message buffering, device driver, exchange control software.
Process: being made of the separate threads and relevant data of execution particular task, the telnet safeguarded such as system configuration
Finger daemon, client process, FTP process, TFTP process, SNMP process, various protocol process: IP, TCP, UDP, RIP,
OSPF, BGP, ARP, ICMP, IGMP, it is other to have encryption and decryption process, packet filtering process, NAT process etc..
Kernel: basic system service is provided for the other parts of system, such as memory management, process scheduling, timer
And Clock management.It provides the management of hardware (CPU and memory) resource for process.
Message buffering: it is used to store message to be switched.
Device driver: control network interface hardware equipment and other peripheral equipments (such as Flash).Device driver
Interface is located at process, kernel, between hardware, while having interface with exchange control software.
Exchange control software: the exchange of message, the partial function in high-end line-speed router are controlled according to pass-through mode
By hardware realization.
C, terminal model
Terminal model in communication network is using the Host model in Mininet, and the inheritance of its class in Mininet is such as
Shown in Fig. 3, Fig. 2 is the inheritance schematic diagram of Host class in Mininet.Host model serves as virtually in Mininet network
Host, its terminal node as communication network, can work as true computer, and SSH login, starting application can be used
Program, program can send data packet to ethernet port, and data packet can be received and processed by interchanger, router.
D, link model
Link model in communication network is using the Link model in Mininet, its inheritance in Mininet is as schemed
Shown in 4, Fig. 3 is the attribute schematic diagram of Link model in Mininet.Link model can be copied really as the link of communication network
The attribute value of link can be set in most link models in the world when adding link in Mininet creation topology.
Fig. 4 is the attribute schematic diagram of Link model in Mininet.As shown in figure 5, the link model in Mininet exists
Following attribute value, including bandwidth bw postpone delay, and Loss Rate loss, maximum queue size max_queue_size etc. pass through
Above-mentioned link attribute value is set to realize different link properties, to create such as optical fiber link model, nothing in communication network
Wired link model, SDH link model etc..
Preferably, processing module 102 of the present invention further include:
User authority management submodule carries out the increase of user, deletes for the instruction according to client, or modification
The password and permission of user, or limitation user whether have check topology, modification topology, check log permission.
The processing module 102 further include:
System log management submodule, for recording operation and the time of origin of user.
It is described to check module 101, it is also used to return to simulation result in real time to client.Therefore visual reality can be provided
When simulated effect.
The Mininet module 104 is also used to the instruction according to client to Mininet virtual emulation power telecom network
It is operated.Therefore operability, can be experimentally stronger.
So far, the emulation platform of the power telecom network of the invention based on Mininet is realizing emulation power telecom network
On the basis of, the effect of visualization of good power telecom network is provided for user, visual content includes opening up for power telecom network
It flutters and the real time simulation results of power telecom network.
Embodiment two
The present invention is based on the emulation platform of the power telecom network of Mininet to Mininet virtual emulation power telecom network with
Actual physical device (or physical simulation) carries out associative simulation.So platform of the present invention further includes needing that platform is added
The actual physical device of emulation, the network interface and practical object of Mininet virtual switch in Mininet virtual emulation power telecom network
The network interface for managing the physical switches of equipment is bound by bridge, Mininet virtual emulation power telecom network and actual physical device
Simulation interactive is carried out, actual physical device can directly repeatedly kick into Mininet virtual emulation power telecom network, as artificial network
A part.Deployment when Fig. 6 is Mininet virtual emulation power telecom network of the present invention and actual physical device progress associative simulation
Schematic diagram.
Node in Mininet virtual emulation power telecom network internal network needs and external network is communicated, can benefit
Host network interface eth1 and Mininet internal virtual interchanger s1 where Mininet is bound with bridge, so as to by leading to
The physical switches of external network realize internal node and external network communication, institute's addition platform emulation in need in external network
Physical equipment can pass through the physical switches connect Mininet virtual emulation power telecom network.Mininet virtual emulation
Power telecom network can build the topological model of power telecom network, and external actual physical device can also be used as physical simulation participation
The process of emulation.During platform emulation, Mininet virtual emulation power telecom network provides the power telecom network of emulation to platform
Real-time communication conditions and configuration information, external physical equipment can directly issue control command control Mininet in it is any
One node.
The present embodiment is by carrying out analog simulation to power telecom network using Mininet and imitating in conjunction with physical device
The true power telecom network simulated environment that now actual situation combines, and real-time simulation result is presented to use in a manner of visual
Family, thus for power telecom network related work person provide interoperability it is strong, can experimental strong and visual power communication
Network simulation platform.
To sum up, the emulation platform of a kind of power telecom network based on Mininet provided by the invention, with existing technology phase
Than can be realized the electricity for carrying out analog simulation and the Realization of Simulation actual situation combined with physical device combination to power telecom network
Power simulation of communication network environment, provide a user interoperability it is strong, can experimental strong and visual real time simulation results.Solution
Conventional electric power of having determined communication simulation platform lacks perfect visualization system, can not carry out associative simulation in conjunction with actual physical device
Be difficult to carry out the difficulty of related experiment, effectively the power telecom network that combines to actual situation of power communication worker is helped to emulate
Experiment and dependence test work.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, made any modification, equivalent replacement and improvement etc. should be included in guarantor of the invention
Within the scope of shield.
Claims (8)
1. a kind of emulation platform of the power telecom network based on Mininet is applied to server end, which is characterized in that the clothes
Business device includes checking module, processing module, memory module and Mininet module;
Check module, the information inspection for receiving client is requested, and instruction processing module carries out acquisition of information and returns to visitor
Family end;Or the request of client modification topology is received, and indicate that processing module carries out topological modification, return to client topology
Modify the prompt information completed;
Processing module, for according to the instruction progress acquisition of information or topological modification for checking module;
Memory module, for the file of memory topology mapping relations, including node number, connection relation between nodes, nodal information;
Mininet module, for the document creation Mininet virtual emulation power telecom network according to Topological Mapping relationship.
2. platform as described in claim 1, which is characterized in that the processing module includes:
Topology creation submodule, for creating corresponding topological network according to the Topological Mapping relationship of storage;
Topological acquisition submodule, for obtaining the Topological Mapping relationship stored and nodal information and node resources information;
Topological modification submodule for network topology interior joint or link to be increased or deleted, and indicates that topology is deposited
Submodule is stored up to store modified network topology into memory module;
Network topology storage submodule, for executing the operation of storage network topology;
Acquisition submodule is counted, obtains network traffic information for counting.
3. platform as claimed in claim 2, which is characterized in that described to check that module includes: that topology checks that submodule, node are looked into
See that submodule and statistics check submodule;
Topology checks submodule, and the Topology display for receiving client is requested, and indicates that topological acquisition submodule obtains storage
Topological Mapping relationship creates corresponding topological network according to the Topological Mapping relationship of storage by topology creation submodule, returns to visitor
Family end;
Node checks submodule, and the node for receiving client shows request, indicates that topological acquisition submodule obtains Mininet
After virtual emulation power communication network node information and node resources information, client is returned to;
Statistics checks submodule, and the statistics for receiving client shows request, and instruction statistics acquisition submodule obtains Mininet
After virtual emulation power telecom network traffic statistics, client is returned to.
4. platform as described in claim 1, which is characterized in that the platform further includes the practical object for needing to be added platform emulation
Manage equipment, the network interface of Mininet virtual switch and the physics of actual physical device in Mininet virtual emulation power telecom network
The network interface of interchanger is bound by bridge.
5. platform as described in claim 1, which is characterized in that the processing module further include:
User authority management submodule carries out the increase of user, deletes for the instruction according to client, or modification user
Password and permission, or limitation user whether have check topology, modification topology, check log permission.
6. platform as described in claim 1, which is characterized in that the processing module further include:
System log management submodule, for recording operation and the time of origin of user.
7. platform as described in claim 1, which is characterized in that it is described to check module, it is also used to return in real time to client imitative
True result.
8. platform as described in claim 1, which is characterized in that the Mininet module is also used to the instruction according to client
Mininet virtual emulation power telecom network is operated.
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Application publication date: 20191122 |